question_answer 1) When a capacitor having capacitance \[4\times 1C{{T}^{6}}F\] and potential difference 100 volt is discharged. The energy released is :
A)
0.05 J
done
clear
B)
0.25 J
done
clear
C)
0.08 J
done
clear
D)
0.02 J
done
clear
View Answer play_arrow
question_answer 2) When a mass undergoes SHM. There is always a constant ratio between its displacement and :
A)
velocity
done
clear
B)
mass
done
clear
C)
period
done
clear
D)
acceleration
done
clear
View Answer play_arrow
question_answer 3) If the refractive index of turpentine and water with respect to air are 1.8 and 1.3 respectively. Then the refractive index of turpentine with respect to water is :
A)
9/4
done
clear
B)
2.5
done
clear
C)
5/3
done
clear
D)
18/13
done
clear
View Answer play_arrow
question_answer 4) The work done in moving a positive charge on an equipotential surface is :
A)
infinite
done
clear
B)
zero
done
clear
C)
finite, + ve but not zero
done
clear
D)
finite - ve but not zero
done
clear
View Answer play_arrow
question_answer 5) The minimum distance between the object and its real image formed by a convex lens is :
A)
\[f/2\]
done
clear
B)
\[3f/2\]
done
clear
C)
\[2f\]
done
clear
D)
\[4f\]
done
clear
View Answer play_arrow
question_answer 6) A fish looking up through water sees the outside world contained in a circular horizon. If the refractive index of water is 4/3 and fish is 12 cm below the surface, the radius of circle is :
A)
\[12\times \frac{3}{\sqrt{7}}cm\]
done
clear
B)
\[12\times 3\times \sqrt{7}cm\]
done
clear
C)
\[12\times \sqrt{5/3}\]
done
clear
D)
\[12\times 3\times \sqrt{5}\]
done
clear
View Answer play_arrow
question_answer 7) The number of images observable between two parallel plane mirrors is :
A)
infinite
done
clear
B)
11
done
clear
C)
22
done
clear
D)
7
done
clear
View Answer play_arrow
question_answer 8) If the speed of light were 2/3 of its present value, the energy released in a given atomic explosion will be :
A)
decreased by a factor of \[\sqrt{\frac{7}{9}}\]
done
clear
B)
decreased by factor of 9/4
done
clear
C)
decreased by a factor of 2/5
done
clear
D)
decreased by a factor of 4/9
done
clear
View Answer play_arrow
question_answer 9) An achromatic combination is to be obtained using a convex and concave lens, the lenses chosen should have :
A)
the product of their power and dispersive powers are equal
done
clear
B)
their powers are equal
done
clear
C)
their refractive indices be equal
done
clear
D)
none of these
done
clear
View Answer play_arrow
question_answer 10) Light travels in two media A (denser) and \[\beta \]B rarer with speeds \[2\times {{10}^{8}}m/s\]and \[2.4\times {{10}^{8}}m/s\] respectively. The critical angle C- between them will be :
A)
\[56.4{}^\circ \]
done
clear
B)
\[66.4{}^\circ \]
done
clear
C)
\[46.4{}^\circ \]
done
clear
D)
\[36.4{}^\circ \]
done
clear
View Answer play_arrow
question_answer 11) A bulb of 100 watt is suspended at a height 2 m from the centre of the table. When it is raised by one metre. The percentage change in the illuminance at the centre of the table will be :
A)
64.4%
done
clear
B)
34.4%
done
clear
C)
53%
done
clear
D)
55.6%
done
clear
View Answer play_arrow
question_answer 12) What temperature will have the same reading on Fahrenheit scale and also on Kelvin scale?
A)
\[574{}^\circ \]
done
clear
B)
\[590{}^\circ \]
done
clear
C)
\[287{}^\circ \]
done
clear
D)
\[-80{}^\circ \]
done
clear
View Answer play_arrow
question_answer 13) An isotropic source of 2 candela produces light flux equal to :
A)
8\[\pi \] lumen
done
clear
B)
16\[\pi \] lumen
done
clear
C)
4\[\pi \] lumen
done
clear
D)
\[\pi \]lumen
done
clear
View Answer play_arrow
question_answer 14) If the density of oil higher than water is used in place of water in a resonance tube. How does the frequency change?
A)
decrease
done
clear
B)
increase
done
clear
C)
remains same
done
clear
D)
none of these
done
clear
View Answer play_arrow
question_answer 15) A transverse wave is described by the equation,\[y={{y}_{0}}\sin 2\pi [x/\lambda )]\] The maximum particle velocity is equal to 4 times the wave velocity if:
A)
\[\lambda =2\pi {{y}_{0}}\]
done
clear
B)
\[\lambda =\pi {{y}_{0}}\]
done
clear
C)
\[\lambda =\frac{\pi {{y}_{0}}}{4}\]
done
clear
D)
\[\lambda =\frac{\pi {{y}_{0}}}{2}\]
done
clear
View Answer play_arrow
question_answer 16) A motor drives a body along a straight line With a constant force. The power P delivered by the motor must vary with time \[t\] according to :
A)
done
clear
B)
done
clear
C)
done
clear
D)
done
clear
View Answer play_arrow
question_answer 17) A charged particle is projected parallel to a uniform magnetic field. The path of the particle will be :
A)
parabolic
done
clear
B)
elliptical
done
clear
C)
circular
done
clear
D)
linear
done
clear
View Answer play_arrow
question_answer 18) Which one of the following does not affect the velocity of sound in air at a place. ?
A)
Atmospheric pressure only
done
clear
B)
Altitude from sea level
done
clear
C)
Water vapour
done
clear
D)
Temperature
done
clear
View Answer play_arrow
question_answer 19) Which one of the following statements is incorrect about venus?
A)
The surface is full of creators
done
clear
B)
There is vegetation and oxygen on its surface
done
clear
C)
There is possibility of life on its surface
done
clear
D)
There is atmosphere on its surface
done
clear
View Answer play_arrow
question_answer 20) Second pendulum is the pendulum which has a time period of :
A)
half second
done
clear
B)
four second
done
clear
C)
one second
done
clear
D)
two second
done
clear
View Answer play_arrow
question_answer 21) The most characteristic property of the liquid is :
A)
volume conservation
done
clear
B)
formlessness
done
clear
C)
fluidity
done
clear
D)
elasticity
done
clear
View Answer play_arrow
question_answer 22) How much time will light take to traverse a glass slab of thickness 10 cm and refractive index 1.5?
A)
\[3\times {{10}^{-8}}sec\]
done
clear
B)
\[2.5\times {{10}^{-8}}sec\]
done
clear
C)
\[1\times {{10}^{-8}}sec\]
done
clear
D)
\[0.5\times {{10}^{-9}}sec\]
done
clear
View Answer play_arrow
question_answer 23) Which one of the phenomenon cannot be explained by the wave theory of light?
A)
Photoelectric effect
done
clear
B)
Diffraction
done
clear
C)
Refraction
done
clear
D)
Total internal reflection
done
clear
View Answer play_arrow
question_answer 24) A point source is located 2.75 cm below the surface of a lake. The area of surface that transmits all the light that emerges from the surface is :
A)
\[0.304\text{ }{{m}^{2}}\]
done
clear
B)
\[30.4\text{ }{{m}^{2}}\]
done
clear
C)
\[384\text{ }{{m}^{2}}\]
done
clear
D)
\[3.04\text{ }{{m}^{2}}\]
done
clear
View Answer play_arrow
question_answer 25)
A light ray is incident on a prism in minimum deviation position and suffers a deviation of \[34{}^\circ \]. If the shaded half of the prism is removed off. Then the same ray will suffer a deviation of :
A)
\[0{}^\circ \]
done
clear
B)
\[68{}^\circ \]
done
clear
C)
\[34{}^\circ \]
done
clear
D)
\[17{}^\circ \]
done
clear
View Answer play_arrow
question_answer 26) The focal length of the objective and eye piece of a telescope are 100 cm and 5 cm respectively. Final image is formed at least distance of distinct vision. The magnification of the telescope is :
A)
36
done
clear
B)
30
done
clear
C)
24
done
clear
D)
20
done
clear
View Answer play_arrow
question_answer 27) Two straight and narrow parallel slits 3 mm apart illuminated by a monochromatic light r-p of wavelength \[5.9\times {{10}^{-7}}m.\]Fringes are obtained on a screen 30 cm away from the slits. The fringe width will be :
A)
\[5.9\times {{10}^{-5}}m\]
done
clear
B)
\[2.99\times {{10}^{-5}}m\]
done
clear
C)
\[3.9\times {{10}^{-5}}m\]
done
clear
D)
none of these
done
clear
View Answer play_arrow
question_answer 28) Which type of spectrum is obtained from an electric lamp?
A)
Absorption spectrum
done
clear
B)
Line emission spectrum
done
clear
C)
Continuous emission spectrum
done
clear
D)
None of these
done
clear
View Answer play_arrow
question_answer 29) A stone weighs 9N at a place on the surface of earth having latitude \[\pi /4.\] Its mass at the centre of the earth will be :
A)
\[\frac{10}{37\sqrt{2}}kg.\]
done
clear
B)
\[10\sqrt{2}kg\]
done
clear
C)
5 kg
done
clear
D)
15 kg
done
clear
View Answer play_arrow
question_answer 30) A mark is made on a drawing sheet. A glass slab of thickness \[t\] and the refractive index \[\mu \] is placed over the sheet. The mark appear to be raised by :
A)
\[\frac{t}{1-\mu }\]
done
clear
B)
\[\left( 1-\frac{1}{\mu } \right)t\]
done
clear
C)
\[\left( 1-\frac{1}{\mu } \right)t\]
done
clear
D)
\[\frac{\mu }{t}\]
done
clear
View Answer play_arrow
question_answer 31) Two lenses of focal length \[{{f}_{1}}\] and \[{{f}_{2}}\] are available. What must be the separation between them so as to minimise, spherical aberration ?
A)
\[\frac{{{f}_{1}}+{{f}_{2}}}{{{f}_{1}}{{f}_{2}}}\]
done
clear
B)
\[{{f}_{1}}{{f}_{2}}\]
done
clear
C)
\[{{f}_{1}}+{{f}_{2}}\]
done
clear
D)
\[{{f}_{1}}-{{f}_{2}}\]
done
clear
View Answer play_arrow
question_answer 32) Which one of the following is the Rutherford scattering formula?
A)
\[{{N}_{Q}}=\frac{\sin \frac{\phi }{2}}{{{Z}_{2}}}\]
done
clear
B)
\[{{N}_{\phi }}=\frac{{{Z}^{2}}}{{{\sin }^{4}}\frac{\phi }{2}}\]
done
clear
C)
\[{{N}_{\phi }}=\frac{{{Z}^{2}}}{{{\sin }^{2}}\frac{\phi }{2}}\]
done
clear
D)
None of these
done
clear
View Answer play_arrow
question_answer 33) The speed of electron in the second orbit of hydrogen is nearly equal to
A)
\[1.25\times {{10}^{8}}m/s\]
done
clear
B)
\[1.25\times {{10}^{6}}m/s\]
done
clear
C)
\[2.5\times {{10}^{8}}m/s\]
done
clear
D)
\[2.5\times {{10}^{7}}m/s\]
done
clear
View Answer play_arrow
question_answer 34) If the radius of Bohr's orbit in hydrogen atom is \[0.5\times {{10}^{-10}}m.\] Then the radius of 3rd orbit will be :
A)
\[2.25\times {{10}^{-10}}m\]
done
clear
B)
\[4.5\times {{10}^{-10}}m\]
done
clear
C)
\[3.5\times {{10}^{-10}}m\]
done
clear
D)
\[6\times {{10}^{-10}}m\]
done
clear
View Answer play_arrow
question_answer 35) The blue colour of the sky is due to the phenomenon of :
A)
dispersion
done
clear
B)
scattering
done
clear
C)
refraction
done
clear
D)
reflection
done
clear
View Answer play_arrow
question_answer 36) Which of the following is the correct statement?
A)
No particle whether at rest or in motion is ever accompanied by matter waves
done
clear
B)
Any particle in motion, whether charged or uncharged is accompanied by matter waves
done
clear
C)
Only sub atomic particle in motion are accompanied by matter wave
done
clear
D)
None of these
done
clear
View Answer play_arrow
question_answer 37) Two force of 3N each act on a body at an angle of \[120{}^\circ \] to each other, the magnitude of the resultant force acting on the body is :
A)
6 N
done
clear
B)
\[2\sqrt{3}N\]
done
clear
C)
\[3\sqrt{2}N\]
done
clear
D)
3 N
done
clear
View Answer play_arrow
question_answer 38) When the temperature increases the angle of contact of a liquid :
A)
first increases then decreases
done
clear
B)
remains same
done
clear
C)
increases
done
clear
D)
decreases
done
clear
View Answer play_arrow
question_answer 39) A ball tied to a string to swing in a vertical circle, which of following remains constant?
A)
Earth pull on the ball
done
clear
B)
Centripetal force
done
clear
C)
Speed of the ball
done
clear
D)
Tension in the string
done
clear
View Answer play_arrow
question_answer 40) The slope of the anode and mutual characteristic of a triode valve are 0.04mA /V and 2.0mA/V respectively. What are the triode constant?
A)
50
done
clear
B)
25
done
clear
C)
75
done
clear
D)
40
done
clear
View Answer play_arrow
question_answer 41) What is the effect of temperature on the conductivity of a semiconductor?
A)
Conductivity of semi-conductor increases with increase of temperature
done
clear
B)
Conductivity of a semiconductor decrease with increase of temperature
done
clear
C)
Remains unaffected
done
clear
D)
None of these
done
clear
View Answer play_arrow
question_answer 42) Current gains \[\alpha \] and \[\beta \] are related as :
A)
\[\alpha =\frac{1+\beta }{\beta }\]
done
clear
B)
\[\alpha =\frac{1-\beta }{\beta }\]
done
clear
C)
\[\alpha =\frac{\beta }{1-\beta }\]
done
clear
D)
\[\alpha =\frac{\beta }{1+\beta }\]
done
clear
View Answer play_arrow
question_answer 43) The activity of a radioactive substance reduces to (1/32) of its initial value in \[22.5\times {{10}^{9}}\] year. The disintegration constant will be :
A)
\[1.54\times {{10}^{-10}}\] per year
done
clear
B)
\[2.54\times {{10}^{-10}}\] per year
done
clear
C)
\[0.54\times {{10}^{-10}}\] per year
done
clear
D)
none of these
done
clear
View Answer play_arrow
question_answer 44) The viscous force on a spherical body to in a viscous medium is :
A)
\[F=6\pi \eta r\upsilon \]
done
clear
B)
\[F\frac{6\pi \eta \upsilon }{\upsilon }\]
done
clear
C)
\[\frac{6\pi r\upsilon }{\eta }\]
done
clear
D)
none of these
done
clear
View Answer play_arrow
question_answer 45) When the detergent is mixed in water then surface tension of water :
A)
decreases
done
clear
B)
increases
done
clear
C)
remains same
done
clear
D)
none of these
done
clear
View Answer play_arrow
question_answer 46) The force required to take away a flat circular plate of radius 5 cm on the surface of water, will be : (surface tension of water \[=75\times {{10}^{-3}}N/m\])
A)
3.5 N
done
clear
B)
7.5 \[\pi \] \[\times {{10}^{-3}}N\]
done
clear
C)
15 \[\pi \] \[\times {{10}^{-3}}N\]
done
clear
D)
none of these
done
clear
View Answer play_arrow
question_answer 47) One spherical ball of radius R, density d released in liquid of density\[\frac{d}{2}\]attains a terminal velocity \[\upsilon \]. Another ball of radius 2R and density 1.5d released in the same liquid, which attain the terminal velocity?
A)
8\[\upsilon \]
done
clear
B)
2\[\upsilon \]
done
clear
C)
1.5\[\upsilon \]
done
clear
D)
6\[\upsilon \]
done
clear
View Answer play_arrow
question_answer 48) The radius of curvature of path of a charged particle in uniform magnetic field is directly proportional to :
A)
flux density in the field
done
clear
B)
energy of the particle
done
clear
C)
charge on the particle
done
clear
D)
the momentum of the particle
done
clear
View Answer play_arrow
question_answer 49) What is the wavelength associated with moving particle of mass m and velocity \[\upsilon \]?
A)
\[\lambda =\frac{m}{h\upsilon }\]
done
clear
B)
\[\lambda =\frac{h\upsilon }{m}\]
done
clear
C)
\[\lambda =\frac{m\upsilon }{h}\]
done
clear
D)
\[\lambda =\frac{h}{m\upsilon }\]
done
clear
View Answer play_arrow
question_answer 50) An electron beam has a kinetic energy equal to 100 eV. Find the wavelength associated with the electron if the mass of electron is \[9.1\times {{10}^{-31}}kg\] and \[1eV=1.6\times {{10}^{-}}^{19}J,h=6.6\times {{10}^{-34}}Js\]:
A)
\[2.4\overset{\text{o}}{\mathop{\text{A}}}\,\]
done
clear
B)
\[4.6\overset{\text{o}}{\mathop{\text{A}}}\,\]
done
clear
C)
\[0.6\overset{\text{o}}{\mathop{\text{A}}}\,\]
done
clear
D)
\[1.2\overset{\text{o}}{\mathop{\text{A}}}\,\]
done
clear
View Answer play_arrow
question_answer 51) In case of n-p-n transistor the collector current is always less than emitter current because of :
A)
collector being reverse biased attracts less electrons
done
clear
B)
a few electrons are lost in the base and only remaining ones reach the collector
done
clear
C)
collector side is reverse biased and emitter side is forward biased
done
clear
D)
collector side is forward biased and emitter side is reverse biased
done
clear
View Answer play_arrow
question_answer 52) We have a jar A filled with a gas characterised by the parameters P, V and T and another jar B filled with a gas with parameter 2 P, V/4 and IT, where the symbols have their usual meanings, the ratio of the numbers of molecules of jar A to other jar B will be :
A)
4 : 1
done
clear
B)
1: 4
done
clear
C)
1: 2
done
clear
D)
1: 8
done
clear
View Answer play_arrow
question_answer 53) Two charges 4 \[\mu \]C are separated by 0.5 m. Their mutual potential energy will be :
A)
0.29 J
done
clear
B)
0.72 J
done
clear
C)
1.08 J
done
clear
D)
1.44 J
done
clear
View Answer play_arrow
question_answer 54) The force between two electron, separated by a distance r varies as :
A)
\[{{r}^{-}}^{2}\]
done
clear
B)
\[{{r}^{-}}^{3}\]
done
clear
C)
r
done
clear
D)
\[{{r}^{2}}\]
done
clear
View Answer play_arrow
question_answer 55) The number of electrons in one coulomb of charge will be :
A)
\[6.02\times {{10}^{23}}\]
done
clear
B)
\[1.6\times {{10}^{19}}\]
done
clear
C)
\[3.12\times {{10}^{18}}\]
done
clear
D)
\[6.25\times {{10}^{18}}\]
done
clear
View Answer play_arrow
question_answer 56) Energy of an electric condenser of capacity C when subjected to a potential V is given by :
A)
\[\frac{1}{2}\frac{V}{C}\]
done
clear
B)
CV
done
clear
C)
C2V
done
clear
D)
\[\frac{1}{2}C{{V}^{2}}\]
done
clear
View Answer play_arrow
question_answer 57) The permittivity of diamond is \[1.46\times {{10}^{-10}}{{C}^{2}}/N{{m}^{2}}\] The electric susceptibility of diamond will be \[({{\varepsilon }_{0}}=8.85\times {{10}^{-12}}{{C}^{2}}/N{{m}^{2}})\]:
A)
15.5
done
clear
B)
16.5
done
clear
C)
7.75
done
clear
D)
none of these
done
clear
View Answer play_arrow
question_answer 58)
Three capacitors each of capacitance C are connected as shown in figure. The equivalent capacitance between P and \[Q\] will be :
A)
C/3
done
clear
B)
3C
done
clear
C)
6C
done
clear
D)
C/9
done
clear
View Answer play_arrow
question_answer 59) Which one of the following relations is correct for current \[i\] and drift velocity?
A)
\[i=ne\,{{A}^{\upsilon d}}\]
done
clear
B)
\[i\frac{y}{e{{A}_{\upsilon d}}}\]
done
clear
C)
\[\frac{n{{\upsilon }_{d}}}{eA}\]
done
clear
D)
none of these
done
clear
View Answer play_arrow
question_answer 60) A billion electrons pass through a cross-section of a conductor in \[{{10}^{-3}}sec.\] The value of current will be :
A)
\[3.2\times {{10}^{-7}}A\]
done
clear
B)
\[1.6\times {{10}^{-7}}A\]
done
clear
C)
\[0.8\times {{10}^{-7}}A\]
done
clear
D)
none of these
done
clear
View Answer play_arrow
question_answer 61) The resistivity of a wire depends upon :
A)
its material
done
clear
B)
its dimension
done
clear
C)
its length
done
clear
D)
none of these
done
clear
View Answer play_arrow
question_answer 62) A uniform wire of length \[l\] and radius \[r\] has resistance 100 \[\Omega \]. It is recasted into a thin wire of (i) length 21 (ii) radius \[\frac{r}{2.}\] The resistance of the new wire in each case will be :
A)
200 \[\Omega \] 400 \[\Omega \]
done
clear
B)
100 \[\Omega \] 200 \[\Omega \]
done
clear
C)
400 \[\Omega \] 160 \[\Omega \]
done
clear
D)
400 \[\Omega \] 1600 \[\Omega \]
done
clear
View Answer play_arrow
question_answer 63) Four cells each of en-if 1.5V and internal resistance 2\[\Omega \] are connected in parallel. This combination sends a current to an external resistance 2\[\Omega \]. The value of current in external resistance is :
A)
1.8 A
done
clear
B)
1.5 A
done
clear
C)
0.8 A
done
clear
D)
0.6 A
done
clear
View Answer play_arrow
question_answer 64) A conductor wire, having \[{{10}^{29}}\text{free }e/{{m}^{3}}\] carries a current 20A. If the cross-section of the wire is 1mm2 then the drift velocity of the electrons will be of the order of :
A)
\[{{10}^{-7}}m/s\]
done
clear
B)
\[{{10}^{-5}}m/s\]
done
clear
C)
\[{{10}^{-2}}m/s\]
done
clear
D)
\[{{10}^{-}}^{3}m/s\]
done
clear
View Answer play_arrow
question_answer 65) A fuse wire of radius 0.2 mm blows when current flowing is 5 A. For what value of current another fuse wire of same material but of radius 0.3 mm will blow?
A)
9.2 A
done
clear
B)
4.5 A
done
clear
C)
6.2 A
done
clear
D)
12.2 A
done
clear
View Answer play_arrow
question_answer 66) A charged particle moving in a uniform magnetic field penetrates a layer of lead and thereby losses one half of its kinetic energy. The radius of curvature of its path becomes :
A)
\[\frac{1}{\sqrt{2}}\]
done
clear
B)
\[\sqrt{2}\]
done
clear
C)
\[\frac{3}{\sqrt{2}}\]
done
clear
D)
\[\frac{2}{\sqrt{3}}\]
done
clear
View Answer play_arrow
question_answer 67) A conductor of length 1m and carrying current of 1A is placed perpendicular to the magnetic field of 1 Gauss. The magnetic force acting on the conductor is :
A)
\[{{10}^{-4}}N\]
done
clear
B)
1 dyne
done
clear
C)
1 N
done
clear
D)
zero
done
clear
View Answer play_arrow
question_answer 68) A neutron enters in a magnetic field of strength \[\beta \] tesla perpendicular to the magnetic lines of force with speed \[\upsilon \]. The force on the neutron will be :
A)
\[e\upsilon B/2\]
done
clear
B)
\[\infty \]
done
clear
C)
\[C\upsilon B\]
done
clear
D)
zero
done
clear
View Answer play_arrow
question_answer 69) An inductor coil of inductance L is divided into two equal parts and both parts are connected in parallel. The net inductance is :
A)
\[\frac{L}{4}\]
done
clear
B)
\[4L\]
done
clear
C)
\[2L\]
done
clear
D)
\[\frac{L}{2}\]
done
clear
View Answer play_arrow
question_answer 70) A \[L-C\] circuit has a natural frequency \[f.\] If the capacitance and inductance are both doubled. The frequency would become :
A)
\[f/2\]
done
clear
B)
\[2f\]
done
clear
C)
\[f/4\]
done
clear
D)
none of these
done
clear
View Answer play_arrow
question_answer 71) The peak voltage of 220 V, AC mains is :
A)
240 V
done
clear
B)
311 V
done
clear
C)
152 V
done
clear
D)
420 V
done
clear
View Answer play_arrow
question_answer 72) A coil having an inductance of \[\frac{1}{\pi }\] H is connected in series with a resistance of 300 \[\Omega .\] If . 20 V, 200 Hz AC source is impressed across the combinations. The phase angle between voltage and current is :
A)
\[{{\tan }^{-1}}\frac{4}{3}\]
done
clear
B)
\[{{\tan }^{-1}}\frac{3}{4}\]
done
clear
C)
\[{{\tan }^{-1}}\frac{5}{4}\]
done
clear
D)
\[{{\tan }^{-1}}\frac{4}{5}\]
done
clear
View Answer play_arrow
question_answer 73) The speed of electron in first Bohr's orbit is c/137. The speed of electron in second Bohr's orbit will be :
A)
\[\frac{c}{274}\]
done
clear
B)
\[\frac{2c}{137}\]
done
clear
C)
\[\frac{4c}{137}\]
done
clear
D)
\[\frac{c}{548}\]
done
clear
View Answer play_arrow
question_answer 74) Neutron was discovered by :
A)
Millikan
done
clear
B)
Henry and Strassoman
done
clear
C)
Chadwick
done
clear
D)
Bequerl
done
clear
View Answer play_arrow
question_answer 75) The surface temperature of sun is nearly :
A)
\[{{10}^{6}}K\]
done
clear
B)
\[{{10}^{s}}K\]
done
clear
C)
10000 K
done
clear
D)
5800K
done
clear
View Answer play_arrow
question_answer 76) The maximum number of electron in \[_{20}Ca\]with quantum number \[(n=2,\,\,\,m=1,\,\,\,s=-1/2)\]is :
A)
\[1\]
done
clear
B)
\[2\]
done
clear
C)
\[3\]
done
clear
D)
\[4\]
done
clear
View Answer play_arrow
question_answer 77) Pure propanone can be prepared by ozonolysis of:
A)
1,2-dimethyl-2-butene
done
clear
B)
1-pentene
done
clear
C)
2-methyl-2-butene
done
clear
D)
2,3-dimethyl-2-butene
done
clear
View Answer play_arrow
question_answer 78) Principle/which gives a way to fill the electrons in the available energy levels is:
A)
Fault's exclusion principle
done
clear
B)
Hund's rule
done
clear
C)
Aufbau's principle
done
clear
D)
None of these
done
clear
View Answer play_arrow
question_answer 79) Which compound is obtained when formaldehyde is treated with ammonia?
A)
Hexamethylene tetramine
done
clear
B)
Formaldoxime
done
clear
C)
Methyl amine
done
clear
D)
Formamide
done
clear
View Answer play_arrow
question_answer 80) \[{{E}_{n}}=-\frac{313.6}{{{n}^{2}}}\]. If the value of \[{{E}_{n}}=-34.84\]to which' of the following values does 'n' correspond?
A)
\[4\]
done
clear
B)
\[3\]
done
clear
C)
\[2\]
done
clear
D)
\[1\]
done
clear
View Answer play_arrow
question_answer 81) The pressure of atmosphere air is\[720\text{ }mm\]. The pressure of water vapour in the air is:
A)
\[5.55\]
done
clear
B)
\[21\]
done
clear
C)
\[18\]
done
clear
D)
zero
done
clear
View Answer play_arrow
question_answer 82) The screening effect of 'd' electrons is:
A)
equal to p-electrons
done
clear
B)
equal to s-electrons
done
clear
C)
much more than s-electrons
done
clear
D)
much less than s-electrons
done
clear
View Answer play_arrow
question_answer 83) The constant 'a' in van der Wall's equation is maximum in :
A)
\[He\]
done
clear
B)
\[N{{H}_{3}}\]
done
clear
C)
\[C{{O}_{2}}\]
done
clear
D)
\[{{N}_{2}}\]
done
clear
View Answer play_arrow
question_answer 84) An element with atomic number 26 will be found in group :
A)
\[2\]
done
clear
B)
\[6\]
done
clear
C)
\[8\]
done
clear
D)
\[12\]
done
clear
View Answer play_arrow
question_answer 85) Choose the correct statement :
A)
drops of liquid may acquire any shape depending on temperature
done
clear
B)
the melting points of metallic crystals may vary from very low to very high
done
clear
C)
water has concave upward meniscus
done
clear
D)
vapour of a liquid depends upon the shape of container vessel
done
clear
View Answer play_arrow
question_answer 86) The covalent compound \[HCl\]has the ionic character as:
A)
hydrogen and chlorine are gases
done
clear
B)
the electronegativity of chlorine is greater than that of hydrogen
done
clear
C)
the electronegativity of hydrogen is equal to chlorine
done
clear
D)
the electronegativity of hydrogen is greater than that of chlorine
done
clear
View Answer play_arrow
question_answer 87) In case of an ideal gas undergoing isothermal transformation, the energy of the gas:
A)
increases with volume
done
clear
B)
"decreases with volume
done
clear
C)
neither increases nor decreases with volume
done
clear
D)
none of these
done
clear
View Answer play_arrow
question_answer 88) Ammonia gas can be dried by passing it over:
A)
anhydrous \[CaC{{l}_{2}}\]
done
clear
B)
cone \[{{H}_{2}}S{{O}_{4}}\]
done
clear
C)
\[{{P}_{2}}{{O}_{5}}\]
done
clear
D)
\[CaO\]
done
clear
View Answer play_arrow
question_answer 89) \[O{{H}^{-}}\] ion concentration is pure water at \[{{25}^{o}}C\]is:
A)
\[{{10}^{-14}}M\]
done
clear
B)
\[{{10}^{-7}}M\]
done
clear
C)
\[7.0M\]
done
clear
D)
zero
done
clear
View Answer play_arrow
question_answer 90) The highest catenation ability is shown by:
A)
selenium
done
clear
B)
oxygen
done
clear
C)
tellurium
done
clear
D)
sulphur
done
clear
View Answer play_arrow
question_answer 91) Buffer capacity of a buffer solution is defined as:
A)
number of moles of an acid or base when added to 100 ml of buffer solution causing no change in its pH value
done
clear
B)
number of moles of an acid (or base) when added to a solution causing to change in its pH by one
done
clear
C)
number of units pH that changed by adding 1 N acid or base to one litre of a buffer solution
done
clear
D)
number of moles of an acid or base when added to a litre of buffer solution causing no change \[i-\] its pH value
done
clear
View Answer play_arrow
question_answer 92) One gas bleaches the colour of flowers by reduction while the other by oxidation. They are:
A)
\[S{{O}_{2}}\]and \[C{{l}_{2}}\]
done
clear
B)
\[C{{l}_{2}}\] and \[{{H}_{2}}S\]
done
clear
C)
\[{{H}_{2}}S\] and \[B{{r}_{2}}\]
done
clear
D)
\[C{{O}_{2}}\] and \[C{{l}_{2}}\]
done
clear
View Answer play_arrow
question_answer 93) The rate constant for first order and second order reaction has the dimensions \[{{s}^{-1}}\] and \[d{{m}^{3}}\,\,mo{{l}^{-1}}\,{{s}^{-1}}\]respectively. Predict that for reactions of an order 3:
A)
\[d{{m}^{-6}}\text{ }mo{{l}^{-2}}\text{ }{{s}^{-1}}~\]
done
clear
B)
\[d{{m}^{-6}}\text{ }mo{{l}^{-1}}\text{ }{{s}^{-1}}\]
done
clear
C)
\[mol\,d{{m}^{-6}}\,{{s}^{-1}}\]
done
clear
D)
\[mol\,d{{m}^{-3}}\,{{s}^{-1}}\]
done
clear
View Answer play_arrow
question_answer 94) Boracic acid is:
A)
\[{{H}_{2}}{{B}_{4}}{{O}_{7}}\]
done
clear
B)
\[B{{(OH)}_{3}}\]
done
clear
C)
\[HB{{O}_{2}}\]
done
clear
D)
\[{{H}_{4}}{{B}_{6}}{{O}_{11}}\]
done
clear
View Answer play_arrow
question_answer 95) During electrolysis of copper sulphate solution using platinum electrodes:
A)
\[S{{O}_{4}}^{-1}\] ions are discharged at anode
done
clear
B)
\[{{O}_{2}}\] is evolved at anode
done
clear
C)
\[C{{u}^{+2}}\] are formed at anode
done
clear
D)
\[{{H}_{2}}\] is liberated at anode
done
clear
View Answer play_arrow
question_answer 96) Which, is not a mineral of aluminium?
A)
Cryolite
done
clear
B)
Diaspore
done
clear
C)
Anhydrite
done
clear
D)
Bauxite
done
clear
View Answer play_arrow
question_answer 97) Transition of an electron from \[n=3\]level to \[n=1\]level results in:
A)
infrared spectrum
done
clear
B)
continuous spectra
done
clear
C)
absorption spectra
done
clear
D)
emission spectra
done
clear
View Answer play_arrow
question_answer 98) Bauxite is an oxide mineral of:
A)
aluminium
done
clear
B)
bismuth
done
clear
C)
boron
done
clear
D)
barium
done
clear
View Answer play_arrow
question_answer 99) Elements with outer electronic configuration \[(n-1)\,{{s}^{2}}(n-1){{d}^{5}}\,n{{s}^{2}}\] belong to:
A)
copper family
done
clear
B)
manganese
done
clear
C)
chromium family
done
clear
D)
iron family
done
clear
View Answer play_arrow
question_answer 100) Pick up the false statement:
A)
dry ice is a covalent solid
done
clear
B)
dry ice sublimes on heating
done
clear
C)
dry ice is used as a refrigerant
done
clear
D)
solid \[C{{O}_{2}}\] is known as dricold
done
clear
View Answer play_arrow
question_answer 101) The molecule which has pyramidal shape is:
A)
\[S{{O}_{3}}\]
done
clear
B)
\[N{{O}_{2}}\]
done
clear
C)
\[C{{O}_{3}}\]
done
clear
D)
\[PC{{l}_{5}}\]
done
clear
View Answer play_arrow
question_answer 102) The decomposition ' temperature is maximum for:
A)
\[MgC{{O}_{3}}\]
done
clear
B)
\[CaC{{O}_{3}}\]
done
clear
C)
\[BaC{{O}_{3}}\]
done
clear
D)
\[SrC{{O}_{3}}\]
done
clear
View Answer play_arrow
question_answer 103) In a given compound the bonding forces are at short range and are spherically distributed. The type of bonding referred to is called:
A)
covalent bonding
done
clear
B)
metallic bonding
done
clear
C)
hydrogen bonding
done
clear
D)
ionic bonding
done
clear
View Answer play_arrow
question_answer 104) A pseudo solid is:
A)
rock salt
done
clear
B)
diamond
done
clear
C)
\[CaC{{O}_{3}}\]
done
clear
D)
glass
done
clear
View Answer play_arrow
question_answer 105) Which of the following element does not react with sulphur to form sulphides?
A)
\[Bi\]
done
clear
B)
\[P\]
done
clear
C)
\[As\]
done
clear
D)
\[N\]
done
clear
View Answer play_arrow
question_answer 106) In photography we use:
A)
\[AgCl\]
done
clear
B)
\[AgBr\]
done
clear
C)
\[N{{H}_{3}}\]
done
clear
D)
\[AgI\]
done
clear
View Answer play_arrow
question_answer 107) Which of the following does not represent correctly the properties of \[{{H}_{2}}S\]?
A)
\[KMn{{O}_{4}}+{{H}_{2}}S{{O}_{4}}+{{H}_{2}}S\xrightarrow{{}}MnS{{O}_{4}}\]
done
clear
B)
\[{{H}_{2}}S+{{H}_{2}}S{{O}_{4}}\xrightarrow{{}}S{{O}_{2}}+S\]
done
clear
C)
\[FeC{{l}_{2}}+{{H}_{2}}S\xrightarrow{{}}FeC{{l}_{3}}\]
done
clear
D)
\[{{H}_{2}}S+S{{O}_{2}}\xrightarrow{{}}S+{{H}_{2}}O\]
done
clear
View Answer play_arrow
question_answer 108) The total number of orbitals in the fifth energy level is:
A)
\[5\]
done
clear
B)
\[10\]
done
clear
C)
\[18\]
done
clear
D)
\[25\]
done
clear
View Answer play_arrow
question_answer 109) Freon-12 is:
A)
\[CFC{{l}_{3}}\]
done
clear
B)
\[C{{F}_{2}}C{{l}_{2}}\]
done
clear
C)
\[C{{F}_{2}}Cl\]
done
clear
D)
\[CCl{{F}_{3}}\]
done
clear
View Answer play_arrow
question_answer 110) The number of enantiomers of the compound \[C{{H}_{3}}CHBrCOOH\]is:
A)
\[4\]
done
clear
B)
\[3\]
done
clear
C)
\[1\]
done
clear
D)
\[0\]
done
clear
View Answer play_arrow
question_answer 111) Tinture of iodine is:
A)
solution of iodine in \[CC{{l}_{4}}\]
done
clear
B)
solution of iodine in ethanol
done
clear
C)
\[KI{{O}_{3}}\]
done
clear
D)
\[CH{{I}_{3}}\]
done
clear
View Answer play_arrow
question_answer 112) Which one of the following \[C-H\] bonds is the weakest for homolytic fission?
A)
\[C{{H}_{3}}-H\]
done
clear
B)
\[{{({{C}_{6}}{{H}_{5}})}_{3}}C{{H}_{2}}-H\]
done
clear
C)
\[{{C}_{6}}{{H}_{5}}-H\]
done
clear
D)
\[{{({{C}_{6}}{{H}_{5}})}_{3}}C-H\]
done
clear
View Answer play_arrow
question_answer 113) An alloy of the following alkali metal is used to prepare anti clock reagent for petrol:
A)
\[Rb\]
done
clear
B)
\[K\]
done
clear
C)
\[Na\]
done
clear
D)
\[Li\]
done
clear
View Answer play_arrow
question_answer 114) The I.U.P.A.C. name of \[{{({{C}_{2}}{{H}_{5}})}_{2}}.CH-C{{H}_{2}}OH\]is:
A)
2-ethyl pentanol-1
done
clear
B)
2-methyl pentanol-1
done
clear
C)
3-ethyl pentanol-1
done
clear
D)
2-ethyl butanol-1
done
clear
View Answer play_arrow
question_answer 115) Calomel is:
A)
\[HgC{{l}_{2}}~\]
done
clear
B)
\[H{{g}_{2}}C{{l}_{2}}\]
done
clear
C)
\[HgC{{l}_{2}},HgO~~~~\]
done
clear
D)
\[HgC{{l}_{2}}-PbC{{l}_{2}}\]
done
clear
View Answer play_arrow
question_answer 116) The total number of acyclic isomers including the stereoisomers with the molecular formula \[{{C}_{4}}{{H}_{7}}Cl\]is:
A)
\[9\]
done
clear
B)
\[10\]
done
clear
C)
\[11\]
done
clear
D)
\[12\]
done
clear
View Answer play_arrow
question_answer 117) The I.U.P.A.C. name of \[C{{H}_{3}}-C{{H}_{2}}-\underset{C{{H}_{3}}}{\mathop{\underset{|}{\mathop{\underset{CH-C{{H}_{3}}}{\mathop{\underset{|}{\mathop{C}}\,}}\,}}\,}}\,H-\overset{C{{H}_{3}}}{\mathop{\overset{|}{\mathop{C}}\,}}\,H-C{{H}_{3}}\]
A)
2,4-di-methyl-3-ethyl pentane
done
clear
B)
2-ethyl-2,4-dimethylpentane
done
clear
C)
2-methyl-3-isopropyl pentane
done
clear
D)
3-isopropyl-2-methyl pentane
done
clear
View Answer play_arrow
question_answer 118) Which of the following/is most soluble?
A)
\[MnS({{K}_{sp}}=7\times {{10}^{-16}})\]
done
clear
B)
\[A{{g}_{2}}S({{K}_{sp}}=6\times {{10}^{-51}})\]
done
clear
C)
\[B{{i}_{2}}{{S}_{3}}({{K}_{sp}}=1\times {{10}^{-72}})\]
done
clear
D)
\[CuS({{K}_{sp}}=8\times {{10}^{-32}})\]
done
clear
View Answer play_arrow
question_answer 119)
Of the given resonating structures of formic acid:
A)
\[IV\]
done
clear
B)
\[III\]
done
clear
C)
\[II\]
done
clear
D)
\[I\]
done
clear
View Answer play_arrow
question_answer 120) Lightest metal in the periodic table is:
A)
\[Mg\]
done
clear
B)
\[Be\]
done
clear
C)
\[Hg\]
done
clear
D)
\[Li\]
done
clear
View Answer play_arrow
question_answer 121) Aliphatic cyclic compounds are known as:
A)
alicyclic compounds
done
clear
B)
polycyclic compounds
done
clear
C)
cyclic compounds
done
clear
D)
acyclic compounds
done
clear
View Answer play_arrow
question_answer 122) The reaction \[A+2B+C\to Z\] occurs by the following mechanism : (i) \[A+B\xrightarrow{{}}''X''\](fast) (ii) \[X+C\xrightarrow{{}}Y\](slow) (iii) \[V+B\xrightarrow{{}}X\](very fast) Rate law for this reaction is:
A)
\[K[X][Y][Z]\]
done
clear
B)
\[K[Z]\]
done
clear
C)
\[K[A]{{[B]}^{2}}[C]\]
done
clear
D)
\[K[C]\]
done
clear
View Answer play_arrow
question_answer 123) Vapour phase nitration of ethane gives:
A)
nitro ethane
done
clear
B)
nitro methane
done
clear
C)
2-nitro propane
done
clear
D)
1-nitro propane
done
clear
View Answer play_arrow
question_answer 124) Entropy change \[(\Delta S)\] is positive for the following:
A)
\[21\,(g)\xrightarrow{{}}{{I}_{2}}(g)\]
done
clear
B)
\[CaC{{O}_{3}}(s)\xrightarrow{\Delta }CaO(s)+C{{O}_{2}}(g)\]
done
clear
C)
\[{{H}_{2}}O(l)\xrightarrow{{}}{{H}_{2}}O(s)\]
done
clear
D)
\[N{{a}^{+}}(g)+C{{l}^{-}}(g)\xrightarrow{{}}NaCl(s)\]
done
clear
View Answer play_arrow
question_answer 125) Ethylene glycol is formed when:
A)
ethylene chlorohydric is distilled with concentrated potassium hydroxide solution
done
clear
B)
ethylene bromide is boiled with sulphuric acid
done
clear
C)
ethene is treated with an alkaline potassium permanganate solution
done
clear
D)
propene is treated with water in the presence of sulphuric acid
done
clear
View Answer play_arrow
question_answer 126) Number of neutrons m a parent nucleus X, which gives \[_{7}{{N}^{14}}\] after two successive P-emission would be:
A)
\[7\]
done
clear
B)
\[6\]
done
clear
C)
\[9\]
done
clear
D)
\[8\]
done
clear
View Answer play_arrow
question_answer 127) The oxidation number of Pt in \[{{[Pt({{C}_{2}}{{H}_{4}})C{{l}_{3}}]}^{-}}\]is:
A)
\[+1\]
done
clear
B)
\[+4\]
done
clear
C)
\[+2\]
done
clear
D)
\[+3\]
done
clear
View Answer play_arrow
question_answer 128) Which is the lightest form of sulphur?
A)
Plastic sulphur
done
clear
B)
Monoclinic sulphur
done
clear
C)
Rhombic sulphur
done
clear
D)
Cannot say
done
clear
View Answer play_arrow
question_answer 129) Which of the following compounds of silicon is used as as abrasive and refractory material?
A)
Silicon tetrachloride
done
clear
B)
Silicon carbide
done
clear
C)
Calcium silicate
done
clear
D)
Magnesium silicate
done
clear
View Answer play_arrow
question_answer 130) The normality of 26% (weight/volume) solution of ammonia (density\[=0.855\]) is approximately:
A)
\[0.4\]
done
clear
B)
\[1.5\]
done
clear
C)
\[4.0\]
done
clear
D)
\[15.3\]
done
clear
View Answer play_arrow
question_answer 131) In chromyl chloride test, the reagent used is:
A)
\[{{K}_{2}}Cr{{O}_{4}}\]
done
clear
B)
\[Cr{{O}_{3}}\]
done
clear
C)
\[{{(N{{H}_{4}})}_{2}}C{{r}_{2}}{{O}_{7}}\]
done
clear
D)
\[{{K}_{2}}C{{r}_{2}}{{O}_{7}}\]
done
clear
View Answer play_arrow
question_answer 132) Terylene is:
A)
polyamide
done
clear
B)
polyester
done
clear
C)
polypropylene
done
clear
D)
polyethylene
done
clear
View Answer play_arrow
question_answer 133) Asprin is common name for:
A)
phenyl salicylate
done
clear
B)
nitro salicylate
done
clear
C)
methyl salicylate
done
clear
D)
acetyl salicylate acid
done
clear
View Answer play_arrow
question_answer 134) The empirical formula of a compound is \[C{{H}_{2}}\]1 mole of this compound has a mass of\[42g\]. Its molecular formula is:
A)
\[{{C}_{2}}{{H}_{2}}\]
done
clear
B)
\[C{{H}_{2}}\]
done
clear
C)
\[{{C}_{3}}{{H}_{8}}\]
done
clear
D)
\[{{C}_{3}}{{H}_{6}}\]
done
clear
View Answer play_arrow
question_answer 135) The most probable velocity (in cm/sec) of hydrogen molecules at \[{{27}^{o}}C\], will be:
A)
\[19.3\times {{10}^{4}}\]
done
clear
B)
\[17.8\times {{10}^{4}}\]
done
clear
C)
\[24.93\times {{10}^{9}}\]
done
clear
D)
\[17.8\times {{10}^{8}}\]
done
clear
View Answer play_arrow
question_answer 136) Rickets is caused due to deficiency of:
A)
vitamin A
done
clear
B)
vitamin B-complex
done
clear
C)
vitamin D
done
clear
D)
vitamin C
done
clear
View Answer play_arrow
question_answer 137) Phenolphthalein is a suitable indicator for titrating of an acid with a strong base because the pH transition range is:
A)
\[6-8\]
done
clear
B)
\[<6\]
done
clear
C)
\[>8\]
done
clear
D)
none of these
done
clear
View Answer play_arrow
question_answer 138) Which of the following equation does not represent Charle's, law for a .given mass of a gas?
A)
\[V=KT\]
done
clear
B)
\[{{V}_{1}}={{V}_{0}}\frac{{{T}_{0}}}{{{T}_{t}}}\]
done
clear
C)
\[{{V}_{t}}={{V}_{0}}\left( 1+\frac{t}{273} \right)\]
done
clear
D)
\[{{\left( \frac{{{\partial }^{2}}V}{\partial {{T}^{2}}} \right)}_{p}}=6\]
done
clear
View Answer play_arrow
question_answer 139) The rate constant for the reaction\[2{{N}_{2}}{{O}_{5}}\to 4N{{O}_{2}}+{{O}_{2}}\] is \[3.0\times {{10}^{-5}}\,{{\sec }^{-1}}\]. If the rate is \[2.4\times {{10}^{-5}}mol\]\[2.4\times {{10}^{-5}}mol\,litr{{e}^{-1}}\,{{\sec }^{-1}}\], then the concentration of \[{{N}_{2}}{{O}_{5}}\] (in \[mol\text{ }litr{{e}^{-1}}\]) is:
A)
\[1.4\]
done
clear
B)
\[1.2\]
done
clear
C)
\[0.8\]
done
clear
D)
\[0.04\]
done
clear
View Answer play_arrow
question_answer 140) A catalyst:
A)
increases the average kinetic energy of molecules
done
clear
B)
increases the activation energy
done
clear
C)
alters the reaction mechanism
done
clear
D)
increases the frequency of collisions of reacting molecules
done
clear
View Answer play_arrow
question_answer 141) Which is not a colligative property?
A)
optical activity
done
clear
B)
elevation in B.P.
done
clear
C)
depression in I.P.
done
clear
D)
osmotic pressure
done
clear
View Answer play_arrow
question_answer 142) The freezing point of a \[0.05\]molal solution of a non-electrolyte in water is:
A)
\[-{{0.093}^{o}}C\]
done
clear
B)
\[{{1.86}^{o}}C\]
done
clear
C)
\[{{0.93}^{o}}C\]
done
clear
D)
\[{{0.093}^{o}}C\]
done
clear
View Answer play_arrow
question_answer 143) If the \[{{H}^{+}}+O{{H}^{-}}\to {{H}_{2}}O+13.7kcal\], then heat of complete neutralisation of 1 g mole \[{{H}_{2}}S{{O}_{4}}\]with a base will be:
A)
\[13.7kcal\]
done
clear
B)
\[27.4kcal\]
done
clear
C)
\[6.85\text{ }kcal\]
done
clear
D)
\[3.425kcal\]
done
clear
View Answer play_arrow
question_answer 144) Chlorine acts as a bleaching agent only in the presence of:
A)
dry air
done
clear
B)
moisture
done
clear
C)
sun light
done
clear
D)
pure oxygen
done
clear
View Answer play_arrow
question_answer 145) The type of isomerism exhibited by maleic and fumaric acid is:
A)
functional isomerism
done
clear
B)
optical isomerism
done
clear
C)
cis-trans isomerism
done
clear
D)
position isomerism
done
clear
View Answer play_arrow
question_answer 146) Terylene is a condensation polymer of ethylene glycol and:
A)
terephthalic acid
done
clear
B)
salicylic acid
done
clear
C)
phthalic acid
done
clear
D)
benzoic acid
done
clear
View Answer play_arrow
question_answer 147) The de Broglie equation treats an electron to be:
A)
a wave
done
clear
B)
a particle
done
clear
C)
both (a) and (b)
done
clear
D)
none of these
done
clear
View Answer play_arrow
question_answer 148) By the action of cone. \[HCl\] on potassium chlorate we get:
A)
\[{{O}_{2}}+C{{l}_{2}}+Cl{{O}_{2}}\]
done
clear
B)
\[C{{l}_{2}}+Cl{{O}_{2}}\]
done
clear
C)
\[{{O}_{2}}+Cl{{O}_{2}}\]
done
clear
D)
\[C{{O}_{2}}+C{{l}_{2}}\]
done
clear
View Answer play_arrow
question_answer 149) The entropy of universe:
A)
increasing and tending towards maximum value
done
clear
B)
decreasing and tending to zero
done
clear
C)
remains constant
done
clear
D)
decreasing and increasing with a periodic rate
done
clear
View Answer play_arrow
question_answer 150) In clatherates of xenon with water, the nature of bonding between xenon and water molecule:
A)
dipole induced dipole interaction
done
clear
B)
co-ordinate
done
clear
C)
hydrogen bonding
done
clear
D)
covalent
done
clear
View Answer play_arrow
question_answer 151) The antibiotic terramydn is obtained from :
A)
Streptomyces griseus
done
clear
B)
Streptomyces remosus
done
clear
C)
Clostridium botulinum
done
clear
D)
Streptomyces veneznelne
done
clear
View Answer play_arrow
question_answer 152) The cell theory was proposed by :
A)
Schleiden and Schwann
done
clear
B)
Hugo de Vries
done
clear
C)
Robert Hooke
done
clear
D)
R. Virchow
done
clear
View Answer play_arrow
question_answer 153) The division of the plant kingdom into prokaryota and eukaryota is based on the character is of :
A)
nucleus
done
clear
B)
chromosomes only
done
clear
C)
cell organelles
done
clear
D)
all of these
done
clear
View Answer play_arrow
question_answer 154) Addiction of LSD will eventually lead to :
A)
hallucination
done
clear
B)
damage to lungs
done
clear
C)
mental and emotional disturbances
done
clear
D)
damage to kidneys
done
clear
View Answer play_arrow
question_answer 155) In India the best aquarium is located at :
A)
Z.S.I. Calcutta
done
clear
B)
Tarapur, Bombay
done
clear
C)
Madras
done
clear
D)
Vishakhapatnam
done
clear
View Answer play_arrow
question_answer 156) Which one of the following is not use in the production of yogurt ?
A)
Streptococcus Iactis
done
clear
B)
Streptococcus thermophillus
done
clear
C)
Lactobacillus bulgnricus
done
clear
D)
Acetobacter aceti
done
clear
View Answer play_arrow
question_answer 157) Which one of the following is used in the production of alcohol?
A)
Leuconostoc citrorum
done
clear
B)
sacchromyces cereuisiae
done
clear
C)
Torulopsis utilis
done
clear
D)
Clostridium botulinum
done
clear
View Answer play_arrow
question_answer 158) EGA (blue-green algae) is chiefly used as biofertilizer in the crop of :
A)
Wheat
done
clear
B)
Gram
done
clear
C)
Paddy
done
clear
D)
Mustard
done
clear
View Answer play_arrow
question_answer 159) Antibody is :
A)
molecule that specifically inactivates an antigen
done
clear
B)
WBC which engulfs bacteria
done
clear
C)
secretion of mammalian RBC
done
clear
D)
component of nucleus
done
clear
View Answer play_arrow
question_answer 160) Syphilis is a sexually transmitted disease (STD) caused by :
A)
Pasteurella
done
clear
B)
Leptospira
done
clear
C)
Treponema palladium
done
clear
D)
Vibrio
done
clear
View Answer play_arrow
question_answer 161) Cancer is related to :
A)
uncontrolled growth of tissues
done
clear
B)
old age
done
clear
C)
controlled division of tissues
done
clear
D)
none of these
done
clear
View Answer play_arrow
question_answer 162) RR-21 is high yielding variety of :
A)
Rice
done
clear
B)
Wheat
done
clear
C)
Gram
done
clear
D)
Sugarcane
done
clear
View Answer play_arrow
question_answer 163) The edible part of Ground nut is buried in the soil and morphologically it is a:
A)
root
done
clear
B)
stem
done
clear
C)
fruit
done
clear
D)
leaf
done
clear
View Answer play_arrow
question_answer 164) Parasexual hybridization means :
A)
fusion of male gamete with female gamete
done
clear
B)
fusion of male gamete with synergid nucleus
done
clear
C)
fusion of somatic protoplasts
done
clear
D)
fusion of male gamete with protoplast
done
clear
View Answer play_arrow
question_answer 165) Deficiency of calciferol causes :
A)
scurvy
done
clear
B)
malaria
done
clear
C)
leukemia
done
clear
D)
rickets
done
clear
View Answer play_arrow
question_answer 166) Parathormone induces :
A)
increase in blood sugar level
done
clear
B)
decrease in serum calcium level
done
clear
C)
increase in serum calcium level
done
clear
D)
decrease in blood sugar level
done
clear
View Answer play_arrow
question_answer 167) Patella is associated with :
A)
elbow
done
clear
B)
knee
done
clear
C)
neck
done
clear
D)
wrist
done
clear
View Answer play_arrow
question_answer 168) Rennin is released from:
A)
liver
done
clear
B)
stomach
done
clear
C)
juxtaglomerular apparatus
done
clear
D)
spleen
done
clear
View Answer play_arrow
question_answer 169) Four different types of chromosomes but of the same size are sequenced as :
A)
telocentric, metacentric, acrocentric submetacentric
done
clear
B)
metacentric, acrocentric, submetacentric telocentric
done
clear
C)
metacentric, submetacentric, acrocentric telocentric
done
clear
D)
metacentric, telocentric, acrocentric, submetacentric
done
clear
View Answer play_arrow
question_answer 170) DNA is present in :
A)
nucleus only
done
clear
B)
mitochondrion only
done
clear
C)
chloroplast only
done
clear
D)
all the above
done
clear
View Answer play_arrow
question_answer 171) Animal cells differ from plant cells in having :
A)
centrosome
done
clear
B)
golgi body
done
clear
C)
vacuole
done
clear
D)
plastid
done
clear
View Answer play_arrow
question_answer 172) All the following involves osmosis except which case:
A)
water entering from soil into root hair
done
clear
B)
water passing from root hair to an adjacent cell
done
clear
C)
water passing up on xylem vessel element to xylem vessel element above
done
clear
D)
water entering a mesophyll cell from the xylem vessel
done
clear
View Answer play_arrow
question_answer 173) Insectivorous plants can grow well in the soil deficient in :
A)
calcium
done
clear
B)
magnesium
done
clear
C)
nitrogen
done
clear
D)
iron
done
clear
View Answer play_arrow
question_answer 174) Which of the following can use elemental nitrogen as their nitrogen source?
A)
Anabaena
done
clear
B)
Rhizobium
done
clear
C)
Azotobacter
done
clear
D)
All of these
done
clear
View Answer play_arrow
question_answer 175) The response of plants to light was first of all discovered by :
A)
Lamarck
done
clear
B)
Darwin
done
clear
C)
Thimann
done
clear
D)
Went
done
clear
View Answer play_arrow
question_answer 176) Muscle tone' is defined as :
A)
voluntary resistance to passive strength
done
clear
B)
involuntary resistance to passive strength
done
clear
C)
stimulated resistance to passive strength
done
clear
D)
none of these
done
clear
View Answer play_arrow
question_answer 177) Which of the following glands is not associated with male reproductive system?
A)
Perineal gland
done
clear
B)
Bartholin gland
done
clear
C)
Prostate gland
done
clear
D)
Testis
done
clear
View Answer play_arrow
question_answer 178) Primitive wild wheat was :
A)
Triticum boeoticus
done
clear
B)
Triticum monococcum
done
clear
C)
Triticum turgidum
done
clear
D)
Aegilops speltoides
done
clear
View Answer play_arrow
question_answer 179) Which is most rich in rod cells?
A)
Cornea
done
clear
B)
Choroid
done
clear
C)
Retina
done
clear
D)
Fovea
done
clear
View Answer play_arrow
question_answer 180) Rigidity developes in the muscles after death is known as rigor mortis. On an average it starts second hour after death and is completed in three hours. If first appears in :
A)
face
done
clear
B)
lower jaw
done
clear
C)
neck and throat
done
clear
D)
abdomen
done
clear
View Answer play_arrow
question_answer 181) If a muscle contracts at all, it will contract to its maximum size, provided the conditions remain same otherwise it will not contract. It is known as:
A)
isotonic contraction
done
clear
B)
rigor mortis
done
clear
C)
all or none law
done
clear
D)
isometric contraction
done
clear
View Answer play_arrow
question_answer 182) The muscle which is immune of fatigue is :
A)
unstriped muscle
done
clear
B)
striped muscle
done
clear
C)
cardiac muscle
done
clear
D)
none of these
done
clear
View Answer play_arrow
question_answer 183) The bone of a mammal contains Haversian canals which are connected by transverse canals called as :
A)
Bidder's canal
done
clear
B)
Semicircular canals
done
clear
C)
Volkmann's canal
done
clear
D)
Eustachian canal
done
clear
View Answer play_arrow
question_answer 184) The difference between blood and lymph :
A)
blood has RBC while lymph is without cells
done
clear
B)
blood has RBC while lymph has not RBC
done
clear
C)
blood has WBC while lymph has RBC
done
clear
D)
blood has dissolved salts while lymph has not salts
done
clear
View Answer play_arrow
question_answer 185) The horn of Rhinocerose are composed of :
A)
bone
done
clear
B)
cartilage
done
clear
C)
chitin
done
clear
D)
keratin
done
clear
View Answer play_arrow
question_answer 186) Major constituent of vertebrate bone is :
A)
calcium phosphate
done
clear
B)
calcium chloride
done
clear
C)
calcium oxalate
done
clear
D)
calcium sulphate
done
clear
View Answer play_arrow
question_answer 187) Mesogloea is found in :
A)
Amoeba
done
clear
B)
Sponges
done
clear
C)
Hydra
done
clear
D)
Earthworm
done
clear
View Answer play_arrow
question_answer 188) Why do mammals lack mucous gland in their skin?
A)
Epidermis has many layer of cells
done
clear
B)
Skin is tough
done
clear
C)
Skin is already slippery
done
clear
D)
Skin is not respiratory
done
clear
View Answer play_arrow
question_answer 189) Integument is usually called jack of all things' becuase :
A)
performs various furrtions
done
clear
B)
is most incomplete orgen
done
clear
C)
gives shape to various structures of body
done
clear
D)
protects the body
done
clear
View Answer play_arrow
question_answer 190) Total number of bones in child is :
A)
206
done
clear
B)
210
done
clear
C)
200
done
clear
D)
300
done
clear
View Answer play_arrow
question_answer 191) Patella is one of the following types of bone ?
A)
Seamed bone
done
clear
B)
Replacing bone
done
clear
C)
Investing bone
done
clear
D)
None of these
done
clear
View Answer play_arrow
question_answer 192) Absence of finger is characteristic of :
A)
Monkey
done
clear
B)
Man
done
clear
C)
Rabbit
done
clear
D)
Frog
done
clear
View Answer play_arrow
question_answer 193) Radio ulna is characterised by presence of :
A)
enemial crest
done
clear
B)
olecranon fossa
done
clear
C)
trochlea
done
clear
D)
sigmoid notch
done
clear
View Answer play_arrow
question_answer 194) Humerus differ from the femur in having :
A)
sigmoid notch
done
clear
B)
glenoid cavity
done
clear
C)
deltoid ridge
done
clear
D)
spine
done
clear
View Answer play_arrow
question_answer 195) A nucleus pulposus is found in :
A)
skull
done
clear
B)
pelvic girdle
done
clear
C)
neuron
done
clear
D)
intervertebral disc
done
clear
View Answer play_arrow
question_answer 196) A bone furcula is typically found in :
A)
Reptiles
done
clear
B)
Frogs
done
clear
C)
Birds
done
clear
D)
Mammals
done
clear
View Answer play_arrow
question_answer 197) Sella turcica is a :
A)
covering of kidney
done
clear
B)
covering of testis
done
clear
C)
depression in skull
done
clear
D)
depression in brain
done
clear
View Answer play_arrow
question_answer 198) Astagalus and calcaneum are found in :
A)
fore limbs of Frog
done
clear
B)
fore limbs of Rabbit
done
clear
C)
hind limbs of Body
done
clear
D)
hind limbs of Rabbit
done
clear
View Answer play_arrow
question_answer 199) A bone left in 10% KOH solution for about 3 days will:
A)
remain as it is
done
clear
B)
become soft and elastic
done
clear
C)
crack to pieces
done
clear
D)
dissolve completely
done
clear
View Answer play_arrow
question_answer 200) Nutrient foramen is found in :
A)
humerus of Mammal
done
clear
B)
humerus of Frog
done
clear
C)
tibio fibula .of Mammal
done
clear
D)
tibio fibula of Frog
done
clear
View Answer play_arrow
question_answer 201) From the carotenes, vitamin A is synthesis in:
A)
pancreas
done
clear
B)
skin
done
clear
C)
spleen
done
clear
D)
none of these
done
clear
View Answer play_arrow
question_answer 202) Anaemia is caused by deficiency of vitamin :
A)
B-complex
done
clear
B)
D
done
clear
C)
E
done
clear
D)
A
done
clear
View Answer play_arrow
question_answer 203) Too much use of one of these should be avoided during hot months :
A)
vitamins
done
clear
B)
mineral salts
done
clear
C)
fats
done
clear
D)
proteins
done
clear
View Answer play_arrow
question_answer 204) In cold constriction of its form a series of small pockets called :
A)
taenide
done
clear
B)
crypts of Lieberkuhn
done
clear
C)
zymogen cells
done
clear
D)
havstra
done
clear
View Answer play_arrow
question_answer 205) Crypts by Lieberkuhn form :
A)
gastric juice
done
clear
B)
succus entericus
done
clear
C)
bile juice
done
clear
D)
succus rotundrus
done
clear
View Answer play_arrow
question_answer 206) Which of these is a group of end products of carbohydrate digestion ?
A)
Sucrose galactose, maltose
done
clear
B)
Galactose, glucose, maltose
done
clear
C)
Glucose, galactose, fructose
done
clear
D)
None of these
done
clear
View Answer play_arrow
question_answer 207) Glycogen is stored in :
A)
liver
done
clear
B)
muscle
done
clear
C)
liver and muscles
done
clear
D)
pancreas
done
clear
View Answer play_arrow
question_answer 208) From the point of ontogeny liver is :
A)
ectodermal
done
clear
B)
endodermal
done
clear
C)
mesodermal
done
clear
D)
both 'a' and 'b'
done
clear
View Answer play_arrow
question_answer 209) Succulus rotundus is a dilated spherical part at posterior end of :
A)
villi
done
clear
B)
ileum
done
clear
C)
colon
done
clear
D)
oesophagus
done
clear
View Answer play_arrow
question_answer 210) Which of these is different from the other three?
A)
Gastrin
done
clear
B)
ducagon
done
clear
C)
Secretin
done
clear
D)
Ptyalin
done
clear
View Answer play_arrow
question_answer 211) Forced deep breathing few minutes by a person sitting at rest may be followed by cessation by breathing temporarily. This influences :
A)
too much \[{{O}_{2}}\] in blood
done
clear
B)
too much \[C{{O}_{2}}\] in blood
done
clear
C)
very little \[C{{O}_{2}}\] in blood
done
clear
D)
both 'a' and
done
clear
View Answer play_arrow
question_answer 212) \[{{O}_{2}}\]content in the air we expire is:
A)
4%
done
clear
B)
20%
done
clear
C)
16%
done
clear
D)
25%
done
clear
View Answer play_arrow
question_answer 213) It a man from sea coast of Kerala goes to Mount Everest :
A)
his breathing rate will increase
done
clear
B)
both decrease
done
clear
C)
breathing rate will increase and heart- rate will decrease
done
clear
D)
breathing rate will decrease a heart rate will increase
done
clear
View Answer play_arrow
question_answer 214) Somaclonal variations are variations appearing during:
A)
hybrid vigour or heterosis
done
clear
B)
micro propagation
done
clear
C)
tissue culture
done
clear
D)
somatic embryogenesis
done
clear
View Answer play_arrow
question_answer 215) Concentration of \[{{H}_{2}}C{{O}_{3}}\] does not increase in blood due to presence :
A)
\[{{N}^{+}}\]
done
clear
B)
\[{{K}^{+}}\]
done
clear
C)
\[C{{a}^{+2}}\]
done
clear
D)
\[M{{g}^{+2}}\]
done
clear
View Answer play_arrow
question_answer 216) Common phase between aerobic and anaerobic respiration is :
A)
tricarboxylic cycle
done
clear
B)
oxidative phosphorylation
done
clear
C)
glycolysis
done
clear
D)
Krebs' cycle
done
clear
View Answer play_arrow
question_answer 217) Which of the following is the metabolic waste of proteins, metabolism?
A)
\[N{{H}_{3}},\]urea, \[C{{O}_{2}}\]
done
clear
B)
Urea, \[{{O}_{2}},\text{ }{{N}_{3}}\]
done
clear
C)
Urea, \[N{{H}_{4}},\] alanine
done
clear
D)
Urea, \[N{{H}_{3}},\] creatinine
done
clear
View Answer play_arrow
question_answer 218) When muscles get fatigued, select the best condition there is:
A)
little ATP, little glycogen and much lactic acid
done
clear
B)
much ATP, much glycogen and much lactic acid
done
clear
C)
little ATP, much glycogen and little lactic acid
done
clear
D)
much ATP, no glycogen no lactic acid
done
clear
View Answer play_arrow
question_answer 219) Maximum energy is produced by :
A)
minerals
done
clear
B)
proteins
done
clear
C)
vitamins
done
clear
D)
fats
done
clear
View Answer play_arrow
question_answer 220) Production of haploid plants from anther culture came from the work of :
A)
Khush and Jena
done
clear
B)
Maheshwari and Guha
done
clear
C)
S. Swaminathan
done
clear
D)
Maheshwari and Swaminathan
done
clear
View Answer play_arrow
question_answer 221) Erythrocytes of mammals are non-nucleated except in :
A)
Man
done
clear
B)
Camel
done
clear
C)
Monkey
done
clear
D)
Rabiit
done
clear
View Answer play_arrow
question_answer 222) Blood is :
A)
a liquid ground substance
done
clear
B)
a liquid connective tissue
done
clear
C)
tissue
done
clear
D)
not a tissue
done
clear
View Answer play_arrow
question_answer 223) Which of the following organs can be called asort of blood bank for body's requirement?
A)
Lungs
done
clear
B)
Spleen
done
clear
C)
Liver
done
clear
D)
Heart
done
clear
View Answer play_arrow
question_answer 224) How many minutes coagulation of blood in a wound normally take?
A)
6-12
done
clear
B)
12-16
done
clear
C)
2-8
done
clear
D)
16-20
done
clear
View Answer play_arrow
question_answer 225) Pathogen free plants are obtained from :
A)
callus culture
done
clear
B)
shoot apex culture
done
clear
C)
root apex culture
done
clear
D)
embryoid culture
done
clear
View Answer play_arrow
question_answer 226) In our body the renewal of all the red blood cell take place :
A)
every year
done
clear
B)
every six months
done
clear
C)
every four months
done
clear
D)
every month
done
clear
View Answer play_arrow
question_answer 227) If a person have clotting time more than normal, this is due to :
A)
haemoglobin
done
clear
B)
anaemia
done
clear
C)
deficiency of vitamin C
done
clear
D)
reduced thrombin
done
clear
View Answer play_arrow
question_answer 228) The cells in blood that are most affected by change in oxygen tension in the blood are :
A)
basophils
done
clear
B)
neutrophils
done
clear
C)
erythrocytes
done
clear
D)
oxyphils
done
clear
View Answer play_arrow
question_answer 229) The clumping of red cells because of wrong transfusion be :
A)
agglutination
done
clear
B)
rouleaux formation
done
clear
C)
haemolysis
done
clear
D)
erythrocytosis
done
clear
View Answer play_arrow
question_answer 230) Chordae tendinae are found in :
A)
ventricles of brain
done
clear
B)
joints
done
clear
C)
auricles of heart
done
clear
D)
ventricles
done
clear
View Answer play_arrow
question_answer 231) Which of the antibody accompanies the Rh-factor?
A)
B
done
clear
B)
A
done
clear
C)
AB
done
clear
D)
None of these
done
clear
View Answer play_arrow
question_answer 232) First heart sound is :
A)
dup sound at beginning of ventricular systole
done
clear
B)
lubb sound at beginning of ventricular systole
done
clear
C)
dub of dup sound at the end of systole
done
clear
D)
lubb sound at the end of systole
done
clear
View Answer play_arrow
question_answer 233) If more \[C{{O}_{2}}\] is produced during rapid cell respiration, this will:
A)
accelerate the heart beat
done
clear
B)
reduce the heart beat
done
clear
C)
have no effect on heart beat
done
clear
D)
increase the ventricular system only
done
clear
View Answer play_arrow
question_answer 234) Artery supplying blood to diaphragm is :
A)
phrenic
done
clear
B)
renal
done
clear
C)
pulmonary
done
clear
D)
mesenteric
done
clear
View Answer play_arrow
question_answer 235) Auriculo ventricular node in human heart was discovered by :
A)
William Harvey
done
clear
B)
Lowis
done
clear
C)
His
done
clear
D)
Ringer
done
clear
View Answer play_arrow
question_answer 236) Composition of blood is regulated by :
A)
thyroid
done
clear
B)
lungs
done
clear
C)
brains
done
clear
D)
kidneys
done
clear
View Answer play_arrow
question_answer 237) Which of the following blood vessels in mammals would normally carry largest amount of urea?
A)
Hepatic vein
done
clear
B)
Renal vein
done
clear
C)
Hepatic portal vein
done
clear
D)
Dorsal aorta
done
clear
View Answer play_arrow
question_answer 238) Capillaries of glomeruli are :
A)
entirely venous
done
clear
B)
entirely arterial
done
clear
C)
venous and arterial
done
clear
D)
none of these
done
clear
View Answer play_arrow
question_answer 239) The high threshold substances are :
A)
glucose, sodium, protein
done
clear
B)
glucose, sodium, amino acids
done
clear
C)
urea, uric acid, protein
done
clear
D)
glucose sodium, calcium
done
clear
View Answer play_arrow
question_answer 240) Main function of cerebellum is :
A)
will power
done
clear
B)
control of involuntary actions
done
clear
C)
co-ordination of voluntary actions
done
clear
D)
memory
done
clear
View Answer play_arrow
question_answer 241) Memory weakens if one of the following part is injured :
A)
medulla
done
clear
B)
cerebellum
done
clear
C)
cerebrum
done
clear
D)
hypothalamus
done
clear
View Answer play_arrow
question_answer 242) Bread Wheat is :
A)
eikorn Wheat
done
clear
B)
emmur Wheat
done
clear
C)
hexaploid Wheat
done
clear
D)
durum Wheat
done
clear
View Answer play_arrow
question_answer 243) Hypothalamus forms the floor and lower part of:
A)
3rd ventricle
done
clear
B)
optocoel
done
clear
C)
lateral ventricle
done
clear
D)
4th ventricle
done
clear
View Answer play_arrow
question_answer 244) Power of regeneration is minimum in :
A)
brain cell
done
clear
B)
liver cell
done
clear
C)
bone cell
done
clear
D)
muscle cell
done
clear
View Answer play_arrow
question_answer 245) Which of the following is not a reflex action?
A)
Secretion of sweat
done
clear
B)
Flexion due to needle pinch
done
clear
C)
Salivation
done
clear
D)
Blinking of eyes due to strong light
done
clear
View Answer play_arrow
question_answer 246) Parasvmphathetic nervous system increased the activity of :
A)
lachrymal glands, sweat glands, arrector pilli
done
clear
B)
heart, lachrymal glands, pancreas
done
clear
C)
heart, adrenal and sweat glands
done
clear
D)
gut, iris, urinary bladder
done
clear
View Answer play_arrow
question_answer 247) Sodium pump of an axon is operative at:
A)
action potential period
done
clear
B)
resting potential period
done
clear
C)
refractory period
done
clear
D)
none of these
done
clear
View Answer play_arrow
question_answer 248) Occulomotor nerve arises from crura cerebri and innervates :
A)
ear drum
done
clear
B)
ear canals
done
clear
C)
skin of nose, orbit and snout
done
clear
D)
eye muscles
done
clear
View Answer play_arrow
question_answer 249) Which of the sensory organ is involved when you feel an earth quake?
A)
Proprioreceptors
done
clear
B)
Ears
done
clear
C)
Skin of your soles
done
clear
D)
Eye
done
clear
View Answer play_arrow
question_answer 250) Least distance of distinct vision for a person suffering from hypermetorpia is :
A)
25cms
done
clear
B)
infinity
done
clear
C)
less than 25cms
done
clear
D)
greater than 25cms
done
clear
View Answer play_arrow
question_answer 251) Long eyeball relation to its refracting power is :
A)
long sight
done
clear
B)
myopia
done
clear
C)
astigmastism
done
clear
D)
hypermetropia
done
clear
View Answer play_arrow
question_answer 252) The ear pinna in mammals has :
A)
protective function
done
clear
B)
sound collecting function
done
clear
C)
sound perceiving function
done
clear
D)
none of these
done
clear
View Answer play_arrow
question_answer 253) How many types of sensations can skin perceive?
A)
Two
done
clear
B)
Five
done
clear
C)
Four
done
clear
D)
Six
done
clear
View Answer play_arrow
question_answer 254) Macaroni is obtained from :
A)
Oryza saliva
done
clear
B)
Triticiim durum
done
clear
C)
Triticwn aestivum
done
clear
D)
Sorghum vulgare
done
clear
View Answer play_arrow
question_answer 255) Oviducal funnel is situated hear the :
A)
base of ovary
done
clear
B)
base of lung
done
clear
C)
oesophagus
done
clear
D)
top of ovary
done
clear
View Answer play_arrow
question_answer 256) Clitoris in female mammals is :
A)
homologous to penis of male
done
clear
B)
analogous to penis of male
done
clear
C)
vestigeal structure
done
clear
D)
overgrowth
done
clear
View Answer play_arrow
question_answer 257) A placenta in mammalian embryo forms from:
A)
amnion
done
clear
B)
yolk sac
done
clear
C)
allantois
done
clear
D)
chorion
done
clear
View Answer play_arrow
question_answer 258) Insects have blood in their body which:
A)
resembles human blood in colour
done
clear
B)
circulates through blood vessels
done
clear
C)
circulates through open systems
done
clear
D)
has haemoglobin cells
done
clear
View Answer play_arrow
question_answer 259) Milk glands are found in :
A)
all vertebrates
done
clear
B)
all mammals
done
clear
C)
all placental mammals
done
clear
D)
all prototherians only
done
clear
View Answer play_arrow
question_answer 260) Study of Plasmodium and Amoeba is termed as :
A)
Parasitology
done
clear
B)
Cytology
done
clear
C)
Protozoology
done
clear
D)
Parazoology
done
clear
View Answer play_arrow
question_answer 261) Study of behaviour of animals is known as :
A)
Ecology
done
clear
B)
Sociology
done
clear
C)
Ethology
done
clear
D)
Anthropology
done
clear
View Answer play_arrow
question_answer 262) No metamorphosis occurs in :
A)
Frog
done
clear
B)
Ascaris
done
clear
C)
Earthworm
done
clear
D)
Tapeworm
done
clear
View Answer play_arrow
question_answer 263) India is the largest producer of which oil seed ?
A)
Helianthus annns
done
clear
B)
Arachis hypogea
done
clear
C)
Gossypium
done
clear
D)
Brassica campestris
done
clear
View Answer play_arrow
question_answer 264) A snake can be distinguished from the Lizard by the absence of :
A)
limbs and girdles
done
clear
B)
limbs and tympanum
done
clear
C)
limbs, girdles and tympanum
done
clear
D)
limbs, girdles, tympanum and sternum
done
clear
View Answer play_arrow
question_answer 265) Only poisonous Lizard of the world is :
A)
Ophiosanrus
done
clear
B)
Draco
done
clear
C)
Varnnus
done
clear
D)
Heroderma
done
clear
View Answer play_arrow
question_answer 266) Which set of 'species' names belong to same genus ?
A)
histolytica and coli
done
clear
B)
gingiualis and protens
done
clear
C)
protens and coli
done
clear
D)
uiuax and coli
done
clear
View Answer play_arrow
question_answer 267) Life history of Plasmodium is :
A)
digenetic
done
clear
B)
monogenetic
done
clear
C)
dizygotic
done
clear
D)
none of these
done
clear
View Answer play_arrow
question_answer 268) Millets differ from major cereals in being :
A)
smaller, rounded and course
done
clear
B)
larger and softer
done
clear
C)
with better nutrition
done
clear
D)
infant foods
done
clear
View Answer play_arrow
question_answer 269) Agriculture loss due to pests and disease is :
A)
30%
done
clear
B)
40%
done
clear
C)
20%
done
clear
D)
50%
done
clear
View Answer play_arrow
question_answer 270) Regulation of water in body is called :
A)
homeostasis
done
clear
B)
excretion
done
clear
C)
paedogenesis
done
clear
D)
osmoregulation
done
clear
View Answer play_arrow
question_answer 271) Discharge of nematocysts depend upon :
A)
hormones
done
clear
B)
vitamins
done
clear
C)
proteins
done
clear
D)
enzymes
done
clear
View Answer play_arrow
question_answer 272) Number of tentacles in Hydra is:
A)
two to four
done
clear
B)
six to ten
done
clear
C)
ten to fourty
done
clear
D)
fourty to fifty
done
clear
View Answer play_arrow
question_answer 273) Propoxur is:
A)
organochloride
done
clear
B)
organophosphate
done
clear
C)
carbamate
done
clear
D)
pyrethroid
done
clear
View Answer play_arrow
question_answer 274) A piece- of Hydra will regenerate into a full Hydra if it contains a part of :
A)
epidermis
done
clear
B)
epidermis and gastrodermis
done
clear
C)
basal disc
done
clear
D)
epidermis, gastrodermis and tentacles
done
clear
View Answer play_arrow
question_answer 275) The herbicide derived from urea is :
A)
2, 4-D
done
clear
B)
dinitrophenol
done
clear
C)
2, 4, 5-T
done
clear
D)
simazine
done
clear
View Answer play_arrow
question_answer 276) One of the effect of infection of Taenia in man is:
A)
loss of appetite
done
clear
B)
irritation of gut
done
clear
C)
erruption on body
done
clear
D)
scabiasis
done
clear
View Answer play_arrow
question_answer 277) For ovulation in reflex ovulators :
A)
coitus is not necessary
done
clear
B)
coitus is necessary
done
clear
C)
plenty of food is necessary
done
clear
D)
plenty of food is not necessary
done
clear
View Answer play_arrow
question_answer 278) Monoestrous animals are those which have :
A)
one menses each month
done
clear
B)
one ovulation each month
done
clear
C)
one egg
done
clear
D)
one breeding season in the year
done
clear
View Answer play_arrow
question_answer 279) Cowper's gland is present in :
A)
Cockroach
done
clear
B)
Rabbit
done
clear
C)
Earthworm
done
clear
D)
Frog
done
clear
View Answer play_arrow
question_answer 280) Genes which confirm antibiotic resistance on bacteria are located on :
A)
chromosomal DNA
done
clear
B)
plasmid
done
clear
C)
RNA
done
clear
D)
polysome
done
clear
View Answer play_arrow
question_answer 281) A granal chloroplast occurs in certain :
A)
succulent
done
clear
B)
\[{{C}_{4}}\] plants
done
clear
C)
hydrophytes
done
clear
D)
\[{{C}_{3}}\] plants
done
clear
View Answer play_arrow
question_answer 282) In the middle lamella of plant cell walls one of the main elements is :
A)
iron
done
clear
B)
calcium
done
clear
C)
magnesium
done
clear
D)
potassium
done
clear
View Answer play_arrow
question_answer 283) In mongolism a patient shows :
A)
monosomy
done
clear
B)
barr body
done
clear
C)
trisomy
done
clear
D)
none of these
done
clear
View Answer play_arrow
question_answer 284) Which of the following is not related to chromosomal aberration?
A)
Euploidy
done
clear
B)
AIDS
done
clear
C)
Aneuploidy
done
clear
D)
Klinefelter's syndrome
done
clear
View Answer play_arrow
question_answer 285) Growth in most warm blooded vertebrates is :
A)
determinate
done
clear
B)
indeterminate
done
clear
C)
uncontrolled
done
clear
D)
none of these
done
clear
View Answer play_arrow
question_answer 286) The enzyme which can cut molecules of DNA into segments is known as :
A)
DNA polymerase
done
clear
B)
DNA ligase
done
clear
C)
restriction enzyme
done
clear
D)
DNA gyrase
done
clear
View Answer play_arrow
question_answer 287) Which one of the following is not a mutagen?
A)
Acetic acid
done
clear
B)
Hydroxylamine
done
clear
C)
Nitrous acid
done
clear
D)
y-rays
done
clear
View Answer play_arrow
question_answer 288) Marriage between one of the following pairs may cause child death?
A)
\[R{{h}^{+}}\] father and \[R{{h}^{-}}\] mother
done
clear
B)
\[R{{h}^{-}}\]father and \[R{{h}^{+}}\] mother
done
clear
C)
\[R{{h}^{+}}\] father and \[R{{h}^{+}}\] mother
done
clear
D)
\[R{{h}^{-}}\] father and \[R{{h}^{-}}\] mother
done
clear
View Answer play_arrow
question_answer 289) Bowmann's capsule occurs in :
A)
kidney
done
clear
B)
pancreas
done
clear
C)
pituitary body
done
clear
D)
adrenal gland
done
clear
View Answer play_arrow
question_answer 290) Lateral ventricles are found in:
A)
heart
done
clear
B)
brain
done
clear
C)
thyroid
done
clear
D)
both 'a' and 'b'
done
clear
View Answer play_arrow
question_answer 291) Which blood group is the universal donor?
A)
A
done
clear
B)
B
done
clear
C)
AB
done
clear
D)
0
done
clear
View Answer play_arrow
question_answer 292) Movement of sperm is done by :
A)
tail
done
clear
B)
head
done
clear
C)
acrosome
done
clear
D)
mitochondria
done
clear
View Answer play_arrow
question_answer 293) During embryonic development endoskeleton and muscles develop form which germinal layer?
A)
Ectoderm
done
clear
B)
Endoderm
done
clear
C)
Mesoderm
done
clear
D)
Yolk plug
done
clear
View Answer play_arrow
question_answer 294) In which stage blastopore is found?
A)
Blastula
done
clear
B)
Morula
done
clear
C)
Gastrula
done
clear
D)
Neurula
done
clear
View Answer play_arrow
question_answer 295) What is the function of amnion?
A)
Respiration
done
clear
B)
Excretion
done
clear
C)
Nutrition
done
clear
D)
Protection from shocks
done
clear
View Answer play_arrow
question_answer 296) The pH of succus entericus is :
A)
7.8
done
clear
B)
6.6
done
clear
C)
5.6
done
clear
D)
2.0
done
clear
View Answer play_arrow
question_answer 297) Where would you find mast cells?
A)
Adipose tissue
done
clear
B)
Areular tissue
done
clear
C)
Yellow fibrous tissue
done
clear
D)
White fibrous tissue
done
clear
View Answer play_arrow
question_answer 298) A well-known bird sanctuary of our country is situated at :
A)
Bandipur
done
clear
B)
Kaziranga
done
clear
C)
Palamu
done
clear
D)
Bharatpur
done
clear
View Answer play_arrow
question_answer 299) Which one of the following is not pesticide?
A)
Aldrin
done
clear
B)
Endrin
done
clear
C)
DDT
done
clear
D)
NADP
done
clear
View Answer play_arrow
question_answer 300) Retenone is:
A)
natural insecticide
done
clear
B)
bioherbicide
done
clear
C)
natural herbicide
done
clear
D)
bio chemical herbicide
done
clear
View Answer play_arrow
the most stable one is
