question_answer 1) A circular coil has 500 turn of wire and its radius is 5 cm. The self-inductance of the coil is
A)
\[25\times {{10}^{-}}^{3}mH\]
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B)
\[25mH\]
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C)
\[50\times {{10}^{-}}^{3}H\]
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D)
\[50\times {{10}^{-}}^{3}mH\]
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question_answer 2) An astronomical telescope has a large aperture to
A)
reduce spherical aberration
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B)
have high resolution
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C)
increase span of observation
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D)
have low dispersion
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question_answer 3) Which of the following is more close to a black body?
A)
Black board paint
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B)
Green leaves
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C)
Black holes
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D)
Red roses
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question_answer 4) A child swinging on a swing in sitting position, stands up, then the time period of swing will
A)
increase
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B)
decrease
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C)
remain same
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D)
increase if the child is long and decrease if the child is short
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question_answer 5) The radius of nucleus of silver (atomic number =47) is \[3.4\times {{10}^{-14}}m.\]The electric potential on the surface of nucleus is \[(e=1.6\times {{10}^{-19}}C)\]
A)
\[1.99\times {{10}^{6}}V\]
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B)
\[2.9\times {{10}^{6}}V\]
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C)
\[4.99\times {{10}^{6}}V\]
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D)
\[0.99\times {{10}^{6}}V\]
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question_answer 6) The unit of inductance is
A)
\[\frac{\text{volt}}{\text{ampere}}\]
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B)
\[\frac{\text{joule}}{\text{ampere}}\]
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C)
\[\frac{\text{volt-second}}{\text{ampere}}\]
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D)
\[\frac{\text{volt-ampere}}{\text{second}}\]
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question_answer 7) If a body travels half the distance with velocity \[{{v}_{1}}\] and the next half with velocity \[{{v}_{2}}\]its average velocity will be given by
A)
\[v=\sqrt{{{v}_{1}}{{v}_{2}}}\]
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B)
\[v=\frac{{{v}_{1}}+{{v}_{1}}}{2}\]
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C)
\[v=\frac{{{v}_{1}}}{{{v}_{2}}}\]
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D)
\[\frac{2}{v}=\frac{1}{{{v}_{1}}}+\frac{1}{{{v}_{2}}}\]
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question_answer 8) The ratio of the numerical value of the average velocity and average speed of body is always
A)
unity
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B)
unity or less
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C)
unity or more
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D)
less than unity
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question_answer 9) Mark the correct option. If a ball is projected with velocity \[{{v}_{o}}\] at an angle of elevation 30°, then
A)
gravitational potential energy will be minimum at the highest point of the trajectory
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B)
kinetic energy will be zero at the highest point of the trajectory
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C)
vertical component of momentum will be conserved
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D)
horizontal component of momentum will be conserved
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question_answer 10) A spring scale is adjusted to read zero. Particles of mass 1 g fall on the pan of the scale and collide elastically and they rebound upward with the same speed. If the height of fall of panicles is 2 m and their rate of collision is 100 particles per second, then the scale reading in grams will be \[(g=9.8m/{{s}^{2}})\]
A)
1000 g
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B)
1100g
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C)
1200 g
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D)
1252 g
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question_answer 11) A smooth sphere of mass m moving with velocity u directly collides elastically with another sphere of mass M at rest. After collision their final velocities are V and v respectively. The value of v is
A)
\[2u\frac{M}{m}\]
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B)
\[2u\frac{m}{M}\]
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C)
\[\frac{2u}{1+\frac{m}{M}}\]
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D)
\[\frac{2u}{1+\frac{M}{m}}\]
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question_answer 12)
A block of mass 2 kg is kept on the floor. The coefficient of static friction is 0.4. If a force F of 2.5 N is applied on the block as shown in the figure, the frictional force between the block and the floor will be
A)
2.5 N
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B)
b) 5N
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C)
7.84 N
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D)
10N
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question_answer 13)
A mass of 10 g moving horizontally with a velocity of 100 cm/s strikes a pendulum bob of mass 10 g. The two masses stick together. The maximum height reached by the system now is (.g = 10 m/s2)
A)
zero
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B)
5 cm
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C)
2.5cm
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D)
1.25cm
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question_answer 14) The moments of inertia of two freely rotating bodies A and B are \[{{I}_{A}}\] and \[{{I}_{B}}\] respectively \[{{I}_{A}}>{{I}_{B}}\]and their angular momenta are equal. If \[{{K}_{A}}\] and \[{{K}_{B}}\] are their kinetic energies then
A)
\[{{K}_{A}}={{K}_{B}}\]
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B)
\[{{K}_{A}}>{{K}_{B}}\]
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C)
\[{{K}_{A}}<{{K}_{B}}\]
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D)
\[{{K}_{A}}=2{{K}_{B}}\]
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question_answer 15) A wheel of car is revolving at the rate of 1200 cycle/min. On pressing the accelerator after 10s, it does 4500 cycle/min then radial acceleration of the wheel is
A)
30rad/s2
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B)
1880 degree/s2
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C)
40 rad/s2
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D)
1980 degree/s2
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question_answer 16) The diameter of each plate of an air capacitor is 4 cm. To make the capacity of this plate capacitor equal to that of 20 cm diameter sphere, the distance between the plates will be
A)
\[4\times {{10}^{-3}}m\]
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B)
\[1\times {{10}^{-3}}m\]
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C)
1cm
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D)
\[1\times {{10}^{-3}}cm\]
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question_answer 17) The electric potential V is given as a function of distance \[x\] (m) by \[V=({{5.}^{2}}+10x-9)\]volt. Value of electric field at \[x\] = 1 m is
A)
20V/m
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B)
6V/m
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C)
11 V/m
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D)
-23V/m
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question_answer 18) In Young's experiment, the wavelength of red light is 7800Å and that of blue light is 5200Å. The value of n for which (n +1) the blue band coincides with nth red band is
A)
1
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B)
2
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C)
3
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D)
4
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question_answer 19) If the height of a satellite from the earth is negligible in comparison to the radius of the earth R, the orbital velocity of the satellite is
A)
\[gR\]
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B)
\[\frac{gR}{2}\]
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C)
\[\sqrt{\frac{g}{R}}\]
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D)
\[\sqrt{gR}\]
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question_answer 20) A satellite is revolving round me earth in an elliptical orbit. Its speed
A)
will be same at all points of the orbit
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B)
will be maximum when it is at maximum distance from earth
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C)
will be maximum when its distance from the earth will be minimum
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D)
goes on increasing or decreasing continuous in dependines upon the mass of the satellite
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question_answer 21) A particle of mass 10 g is executing simple harmonic motion with an amplitude of 0.5 m and periodic time of (\[\pi /5\]) second. The maximum value of the force acting on the particle is
A)
25 N
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B)
5N
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C)
2.5 N
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D)
0.5 N
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question_answer 22) The period of vibration of a mass m suspended from a spring is 2 s. If along with it another mass of 2 kg is also suspended, the period of oscillation increases by Is. The mass m will be
A)
2 kg
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B)
1 kg
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C)
1.6kg
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D)
2.6kg
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question_answer 23) A wire of length L and cross-sectional area A is made of a material of Young's modulus Y. It is stretched by an amount x. The work done is
A)
\[\frac{YxA}{2L}\]
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B)
\[\frac{Y{{x}^{2}}A}{L}\]
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C)
\[\frac{Y{{x}^{2}}A}{2L}\]
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D)
\[\frac{2Y{{x}^{2}}A}{L}\]
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question_answer 24) Compressibility of water is \[5\times {{10}^{-10}}m/N.\] The change in volume of 100 mL water subjected to \[15\times {{10}^{6}}\] Pa pressure will
A)
no change
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B)
increase by 0.98 mL
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C)
decrease by 0.75 mL
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D)
increase by 1.50 mL
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question_answer 25) A water film is made between two 10 cm long straight wires and at a distance of 0.5 cm. If distance between the wires is increased by 1 mm, then work done will be\[(T=7.2\times {{10}^{-2}}\,N/m)\]
A)
\[7.22\times {{10}^{-5}}J\]
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B)
\[1.44\times {{10}^{-5}}J\]
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C)
\[2.88\times {{10}^{-5}}J\]
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D)
\[5.76\times {{10}^{-5}}J\]
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question_answer 26) The force of cohesion is
A)
maximum in solids
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B)
maximum in liquids
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C)
maximum in gases
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D)
same in solid, liquid and gas
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question_answer 27) The temperature at which root mean square velocity of molecules of helium is equal to root mean square velocity of hydrogen at NTP is
A)
273°C
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B)
273 K
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C)
546°C
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D)
844 K
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question_answer 28) The average kinetic energy of a hydrogen gas molecule at NTP will be (Boltzmann's constant \[k=1.38\times {{10}^{-23}}J/K\]
A)
\[0.186\times {{10}^{-20}}J\]
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B)
\[0.372\times {{10}^{-20}}J\]
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C)
\[0.56\times {{10}^{-20}}J\]
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D)
\[5.6\times {{10}^{-20}}J\]
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question_answer 29) The height of a water fall is 84 m. Assuming that the entire kinetic energy of falling water is converted into heat, the rise in temperature of the water will be
A)
0.196°C
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B)
1.960°C
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C)
0.96°C
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D)
0.0196°C
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question_answer 30) For adiabatic process \[\left( \gamma \frac{{{C}_{p}}}{{{C}_{v}}} \right)\]
A)
\[{{p}^{\gamma }}V=\] constant
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B)
\[T{{p}^{\gamma }}V=\] constant
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C)
\[p{{V}^{\gamma }}=\]constant
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D)
\[pV=\] constant
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question_answer 31) A cup of tea having the temperature 80°C is kept in a room, which is at 20°C. Which of the given curves best represents the variation of temperature T of the cup with time r?
A)
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B)
done
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C)
done
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D)
done
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question_answer 32) An ice box made of Styrofoam (thermal conductivity \[=0.01J{{m}^{=1}}K)\] is used to keep liquids cool. It has a total wall area including lid of0.8 m2 and wall thickness of 2.0 cm. A bottle of water is placed in the box and filled with ice. If the outside temperature is 30°C, the rate of flow of, heat into the box is (in Js-1)
A)
16
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B)
14
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C)
12
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D)
10
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question_answer 33) The length of two open organ pipes are \[l\] and \[(l+\Delta l)\] respectively. Neglecting end corrections the beats frequency between them will be approximately
A)
\[\frac{v}{2l}\]
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B)
\[\frac{v}{4l}\]
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C)
\[\frac{v\Delta l}{2{{l}^{2}}}\]
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D)
\[\frac{v\Delta l}{l}\]
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question_answer 34) 5 g of ice of \[0{}^\circ C\] is dropped in a beaker containing 20 g of water at \[40{}^\circ C\]. The final temperature will be
A)
\[32{}^\circ C\]
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B)
\[16{}^\circ C\]
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C)
\[8{}^\circ C\]
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D)
\[24{}^\circ C\]
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question_answer 35) If a body loses half of its velocity on penetrating 3 cm in a wooden block then how much will it penetrate more before coming to rest?
A)
1 cm
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B)
2 cm
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C)
3 cm
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D)
4 cm
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question_answer 36) The minimum velocity (in ms-1) with which a car driver must traverse a flat curve of radius 150 m and coefficient of friction to avoid skidding is
A)
60
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B)
30
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C)
15
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D)
25
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question_answer 37) The energy band gap is maximum in
A)
metals
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B)
superconductors
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C)
insulators
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D)
semiconductors
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question_answer 38) The phenomenon of polarization of light indicates that
A)
light is a longitudinal waves
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B)
light is transverse wave
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C)
light if not a wave
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D)
light travels with the velocity of\[~3\times {{10}^{8}}m/s\]
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question_answer 39) The manifestation of band structure in solids is due to
A)
Heisenberg's uncertainly principle
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B)
Pauli's exclusion principle
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C)
Bohr's correspondence principle
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D)
Boltzmann's law
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question_answer 40) If there were no gravity, which of the following will not be there for a fluid?
A)
Viscosity
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B)
Surface tension
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C)
Pressure
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D)
Archimedes' upward thrust
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question_answer 41) Which one of the following is ferromagnetic?
A)
Gold
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B)
Wood
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C)
Manganese
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D)
Nickle
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question_answer 42) Two lenses have powers equal to +2 D and -4 D respectively, the power of combination will be
A)
-2D
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B)
+2D
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C)
-40
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D)
+4D
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question_answer 43) Shown below is a distribution of charges, the flux of electric field due to these charges through the surface is
A)
\[\frac{3q}{{{\varepsilon }_{o}}}\]
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B)
zero
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C)
\[\frac{2q}{{{\varepsilon }_{o}}}\]
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D)
\[\frac{q}{{{\varepsilon }_{o}}}\]
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question_answer 44) A steel ball is dropped from a height h and it makes a perfectly elastic collision with a horizontal plane. Following its initial release, it will make periodic motion with frequency
A)
\[2\pi \sqrt{\frac{g}{h}}\]
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B)
\[2\pi \sqrt{\frac{h}{g}}\]
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C)
\[\frac{1}{2}\sqrt{\frac{g}{2h}}\]
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D)
\[\frac{1}{2}\sqrt{\frac{2h}{g}}\]
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question_answer 45) Three charged particles are initially in position-1. They are free to move and they come to position-2, after some time. Let \[{{U}_{1}}\] and \[{{U}_{2}}\] be the electrostatic potential energies in position-1 and 2 then
A)
\[{{U}_{1}}={{U}_{2}}\]
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B)
\[{{U}_{2}}\ge {{U}_{1}}\]
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C)
\[{{U}_{2}}>{{U}_{1}}\]
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D)
\[{{U}_{1}}>{{U}_{2}}\]
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question_answer 46) In Young's double slit experiment are slit is covered with red filter and another slit is covered by green filter, then interference pattern will be
A)
red
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B)
green
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C)
yellow
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D)
invisible
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question_answer 47) For the stationary wave \[y=u\,\sin \,\frac{\pi x}{15}\cos \,96\,\pi t\] The distance between a node and the next antinode is
A)
7.5cm
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B)
15cm
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C)
22.5 cm
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D)
30 cm
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question_answer 48) In L-R circuit the current increases to three- fourth of its maximum value in 4s, then the time constant of the circuit is
A)
\[2\,{{\log }_{e}}\,2\]
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B)
\[\frac{4}{\log {{\,}_{e}}\,2\,}\]
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C)
\[\frac{2}{\log {{\,}_{e}}\,2\,}\]
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D)
\[\frac{\log {{\,}_{e}}\,2\,}{2}\]
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question_answer 49) 1 Wb/m2 is equal to
A)
104 G
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B)
102 G
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C)
10-2 G
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D)
10-4 G
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question_answer 50) If the earth is treated as a sphere of radius R and mass M, its angular momentum about the axis of rotation with time period T is
A)
\[\frac{\pi M{{R}^{2}}\,}{T}\]
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B)
\[\frac{M{{R}^{2}}T\,}{2\pi }\]
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C)
\[\frac{2\pi M{{R}^{2}}\,}{T}\]
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D)
\[\frac{4\pi M{{R}^{2}}\,}{5T}\]
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question_answer 51) Which one of the following is used as a moderator in nuclear reaction?
A)
Uranium
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B)
Heavy water
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C)
Cadmium
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D)
Plutonium
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question_answer 52) The sensitiveness of a moving coil galvanometer can be increased by decreasing the
A)
number of turns in the coils
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B)
are of the coil
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C)
magnetic field
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D)
couple per unit twist of the suspension
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question_answer 53) An electric heater of resistance 6H works for 10 min on a 60 V line. The energy liberated in this period of time is
A)
\[7.2\times {{10}^{3}}J\]
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B)
\[3.6\times {{10}^{s}}J\]
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C)
\[43.2\times {{10}^{4}}J\]
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D)
\[28.8\times {{10}^{4}}J\]
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question_answer 54) The material of wire of potentiometer is made of
A)
copper
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B)
steel
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C)
manganin
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D)
aluminium
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question_answer 55) The rest mass of the photon is
A)
zero
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B)
infinite
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C)
between zero and infinite
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D)
equal to that of electron
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question_answer 56) The \[{{k}_{\alpha }}\] line from molybdenum (atomic number =42) has a wavelength of 0.7078 \[\overset{o}{\mathop{\text{A}}}\,\]. The wavelength of \[{{k}_{\alpha }}\] line of zinc (atomic number = 30) will be
A)
1\[\overset{o}{\mathop{\text{A}}}\,\]
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B)
1.3872\[\overset{o}{\mathop{\text{A}}}\,\]
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C)
0.3541\[\overset{o}{\mathop{\text{A}}}\,\]
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D)
0.5\[\overset{o}{\mathop{\text{A}}}\,\]
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question_answer 57) Decay constant of radioactive element is \[1.5\times {{10}^{9}}\]Average age of element is
A)
\[1.5\times {{10}^{9}}\]
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B)
\[4.62\times {{10}^{8}}\]
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C)
\[6.67\times {{10}^{8}}\]
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D)
\[10.35\times {{10}^{8}}\]
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question_answer 58) A potential difference V is applied the ends of a copper wire of length\[l\]and diameter d. On doubling only d, drift velocity
A)
becomes two times
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B)
becomes half
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C)
does not change
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D)
becomes one-fourth
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question_answer 59) A steady current of 5 A is maintained for 45 min. During this time it deposits 4.572 g of zinc at the cathode of a voltmeter. ECE of zinc is
A)
\[3.387\times {{10}^{-4}}\,g/C\]
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B)
\[3.397\times {{10}^{-4}}\,g/C\]
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C)
\[3.384\times {{10}^{-3}}\,g/C\]
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D)
\[3.394\times {{10}^{-3}}\,g/C\]
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question_answer 60) The earth's magnetic induction at a certain point is \[7\times {{10}^{-5}}\] Wb/m2. This is to be annulled by the magnetic induction at the centre of a circular conducting loop of radius 5 cm. The required current in the loop is
A)
0.56 A
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B)
5.6 A
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C)
0.28 A
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D)
2.8 A
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question_answer 61) Which of the following electrolytic solutions has the least specific conductance?
A)
0.02 N
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B)
0.2 N
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C)
2 N
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D)
0.002 N
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question_answer 62) Which of the following can be measured by the Ostwald-Walker dynamic method?
A)
Relative lowering of vapour pressure
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B)
Lowering of vapour pressure
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C)
Vapour pressure of the solvent
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D)
All of the above
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question_answer 63) One mole of which of the following has the highest entropy?
A)
Liquid nitrogen
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B)
Hydrogen gas
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C)
Mercury
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D)
Diamond
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question_answer 64) Catalytic dehydrogenation of a primary alcohol gives a
A)
secondary alcohol
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B)
aldehyde
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C)
ketone
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D)
ester
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question_answer 65) Methoxy methane and ethanol are
A)
position isomers
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B)
chain isomers
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C)
functional isomers
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D)
optical isomers
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question_answer 66) Amines behave as
A)
Lewis acid
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B)
Lewis base
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C)
aprotic acid
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D)
neutral compound
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question_answer 67) Dalda is prepared from oils by
A)
oxidation
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B)
reduction
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C)
hydrolysis
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D)
distillation
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question_answer 68) The chemical name of anisole is
A)
ethanoic acid
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B)
methoxy benzene
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C)
propanone
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D)
acetone
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question_answer 69) The number of disulphide linkages present in insulin are
A)
1
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B)
2
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C)
3
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D)
4
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question_answer 70) Waxes are esters of
A)
glycerol
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B)
long chain alcohols
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C)
glycerol and fatty acid
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D)
long chain alcohols and long chain fatty acids
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question_answer 71) Among the following, which is least acidic?
A)
phenol
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B)
o-cresol
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C)
p-nitrophenol
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D)
p-chlorophenol
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question_answer 72) Which of the following organic compounds answers to both iodoform test and Fehling's test?
A)
Ethanol
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B)
Methanal
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C)
Ethanal
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D)
Propanone
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question_answer 73) Lanthanides and actinides are also called
A)
short periods
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B)
inner-transition elements
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C)
long periods
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D)
main transition elements
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question_answer 74) The hydrogen electrode is dipped in a solution of\[pH=3\]at\[25{}^\circ C\]. The potential of the cell would be (the value of 2.303 RT/F is 0.059 V)
A)
0.177V
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B)
0.087V
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C)
\[-0.177V\]
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D)
0.059V
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question_answer 75) 1 mole of\[{{H}_{2}}S{{O}_{4}}\]is mixed with 2 moles of\[NaOH\]. The heat evolved will be
A)
57.3 kJ
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B)
\[2\times 57.3\text{ }kJ\]
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C)
57.3/2 kJ
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D)
Cannot be predicted
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question_answer 76) Which of the following solutions will have the highest boiling point?
A)
\[0.1\text{ }M\text{ }FeC{{l}_{3}}\]
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B)
\[0.1M\,BaC{{l}_{2}}\]
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C)
\[0.1\text{ }M\text{ }NaCl\]
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D)
0.1 M urea
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question_answer 77) Azeotropic mixture of\[HCl\]and water has
A)
48%\[HCl\]
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B)
22.2%\[HCl\]
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C)
36%\[HCl\]
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D)
20.2%\[HCl\]
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question_answer 78) One mole of a perfect gas expands isothermally to ten times of its original volume. The change in entropy is
A)
0.1R
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B)
2.303 R
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C)
10.0 R
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D)
100.0 R
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question_answer 79) For the reaction,\[{{N}_{2}}+3{{H}_{2}}2N{{H}_{3}};\] \[\Delta H=?\]
A)
\[\Delta E+2RT\]
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B)
\[\Delta F-2RT\]
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C)
\[\Delta F+RT\]
done
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D)
\[\Delta E-RT\]
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question_answer 80) 100 cc of\[0.6\text{ }N\text{ }{{H}_{2}}S{{O}_{4}}\]and 200 cc of\[0.3\text{ }N\text{ }HCl\]were mixed together. The normality of the solution will be
A)
0.2 N
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B)
0.4 N
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C)
0.8 N
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D)
0.6 N
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question_answer 81) The activation energy for most of the reactions is approximately\[50\text{ }kJ\text{ }mo{{l}^{-1}}\]. The value of temperature coefficient for such reactions is
A)
>2
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B)
>3
done
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C)
<1
done
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D)
>4
done
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question_answer 82) If the mass defect of\[_{4}^{9}X\]is 0.090 u, then binding energy per nucleon is (\[1u=9315MeV\])
A)
9.315 MeV
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B)
931.5 MeV
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C)
83.0 MeV
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D)
8.38 MeV
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question_answer 83) 50 mL of\[0.1\text{ }M\text{ }HCl\]and 50 mL of\[0.2\text{ }M\text{ }NaOH\]are mixed. The pH of the resulting solution is
A)
1.30
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B)
4.2
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C)
12.70
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D)
11.70
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question_answer 84) \[_{27}C{{o}^{60}}\] is radioactive because
A)
its atomic number is high
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B)
it has high\[\frac{p}{n}\] ratio
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C)
it has high \[\frac{n}{p}\]ratio
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D)
None of the above
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question_answer 85) \[KI\] and\[CuS{{O}_{4}}\]solution when mixed gives
A)
\[Cu{{I}_{2}}+{{K}_{2}}S{{O}_{4}}\]
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B)
\[C{{u}_{2}}{{I}_{2}}+{{K}_{2}}S{{O}_{4}}\]
done
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C)
\[{{K}_{2}}S{{O}_{4}}+C{{u}_{2}}{{I}_{2}}+{{I}_{2}}\]
done
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D)
\[{{K}_{2}}S{{O}_{4}}+Cu{{I}_{2}}+{{I}_{2}}\]
done
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question_answer 86) Which of the following will form a colorless complex?
A)
\[N{{i}^{2+}}\]
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B)
\[C{{u}^{+}}\]
done
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C)
\[T{{i}^{2+}}\]
done
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D)
\[C{{u}^{3+}}\]
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question_answer 87)
In the reaction, the major product A is
A)
done
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B)
done
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C)
done
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D)
done
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question_answer 88)
The IUPAC name of the following compound is
A)
propionic anhydride
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B)
dipropanoic anhydride
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C)
ethoxy propanoic acid
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D)
propanoic anhydride
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question_answer 89) Hinsberg reagent is
A)
\[{{C}_{6}}{{H}_{5}}S{{O}_{3}}H\]
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B)
\[{{C}_{6}}{{H}_{5}}NO\]
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C)
\[{{C}_{6}}{{H}_{5}}S{{O}_{2}}Cl\]
done
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D)
\[{{C}_{6}}{{H}_{5}}{{N}_{2}}Cl\]
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question_answer 90) Acetaldehyde cannot show
A)
iodoform test
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B)
Lucas test
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C)
Benedict's test
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D)
Tollen's test
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question_answer 91) Which of the following will be most readily dehydrated under acidic conditions?
A)
done
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B)
done
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C)
done
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D)
done
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question_answer 92) Which of the following cannot reduce Fehling solution?
A)
\[HCOOH\]
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B)
\[{{H}_{3}}CCOOH\]
done
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C)
\[HCHO\]
done
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D)
\[{{H}_{3}}CCHO\]
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question_answer 93) Absolute alcohol is prepared by
A)
vacuum distillation
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B)
azeotropic distillation
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C)
steam distillation
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D)
None of the above
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question_answer 94) Which of the following compounds is resistant to nucleophilic attack by hydroxyl ion?
A)
Methylacetate
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B)
Acetonitrile
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C)
Acetamide
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D)
Diethyl ether
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question_answer 95) Ethyl amine reacts with nitrous acid to form
A)
\[{{C}_{2}}{{H}_{5}}OH\]
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B)
\[{{C}_{2}}{{H}_{5}}OH,{{N}_{2}},{{H}_{2}}O\]
done
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C)
\[{{C}_{2}}{{H}_{5}}N_{2}^{+}C{{l}^{-}}\]
done
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D)
\[{{C}_{2}}{{H}_{5}}NHOH,N{{H}_{3}}\]
done
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question_answer 96) Rice is deficient in
A)
lysine
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B)
alanine
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C)
glycine
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D)
leucine
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question_answer 97) Mutarotation does not occur in
A)
sucrose
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B)
D-glucose
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C)
L-glucose
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D)
None of these
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question_answer 98) Aldehyde which is formed during photo synthesis of plants is
A)
methanal
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B)
acetaldehyde
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C)
propanal
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D)
phenylmethanal
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question_answer 99)
the given structural formula is of
A)
aspartame
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B)
cyclate
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C)
saccharin
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D)
valium
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question_answer 100) Bithional is an example of
A)
antiseptic
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B)
disinfectant
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C)
antibiotic
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D)
tranquiliser
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question_answer 101) Conjugate acid of\[C{{H}_{3}}N{{H}_{2}}\]is
A)
\[C{{H}_{3}}OH\]
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B)
\[C{{H}_{3}}\overset{+}{\mathop{N}}\,{{H}_{3}}\]
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C)
\[C{{H}_{2}}NH_{2}^{+}\]
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D)
\[C{{H}_{3}}\overset{-}{\mathop{N}}\,H\]
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question_answer 102) In nuclear explosion, the energy is released in the form of
A)
kinetic energy
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B)
electrical energy
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C)
potential energy
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D)
None of these
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question_answer 103) Phosgene is the common name of the following compound
A)
Mixture of\[C{{O}_{2}}\]and \[C{{l}_{2}}\]
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B)
\[POC{{l}_{3}}\]
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C)
Carbonyl chloride
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D)
Carbon tetrachloride
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question_answer 104)
for the completion of the reaction suitable reagent is
A)
\[N{{O}_{2}}\]
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B)
\[NaN{{O}_{2}}\]
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C)
\[AgN{{O}_{2}}\]
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D)
\[NaN{{O}_{2}}+dil.HCl\]
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question_answer 105) The end product in the sequence would be \[{{C}_{3}}{{H}_{7}}OH\xrightarrow[{{170}^{o}}]{{{H}_{2}}S{{O}_{4}}}A\xrightarrow{B{{r}_{2}}}B\xrightarrow[KOH]{Alc.}C\]
A)
\[C{{H}_{3}}C\equiv CH\]
done
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B)
\[C{{H}_{3}}\text{ }\underset{\begin{smallmatrix} | \\ OH \end{smallmatrix}}{\mathop{C}}\,=C{{H}_{2}}\]
done
clear
C)
\[C{{H}_{2}}=C=C{{H}_{2}}\]
done
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D)
\[C{{H}_{3}}\text{ }\underset{\begin{smallmatrix} | \\ OH \end{smallmatrix}}{\mathop{CH}}\,-\underset{\begin{smallmatrix} | \\ OH \end{smallmatrix}}{\mathop{C{{H}_{2}}}}\,\]
done
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question_answer 106) The use of\[CC{{l}_{4}}\]as fire extinguisher depends on the fact that
A)
it is an inorganic compound
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B)
it is an organic compound
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C)
its vapour is much heavier than air and non-combustible
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D)
it is a compound of chlorine
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question_answer 107) Ether on carbonylation gives
A)
alkanoic acid
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B)
alkanone
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C)
alkyl alkanoate
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D)
alkanal
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question_answer 108) \[C{{H}_{3}}CHO+C{{H}_{3}}CHO\xrightarrow{Dil.O{{H}^{-}}}\]\[C{{H}_{3}}CH(OH)C{{H}_{2}}CHO,\]the intermediate in the above reaction is
A)
carbanion
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B)
carbonium ion
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C)
carbene
done
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D)
None of these
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question_answer 109) Ethanol shows intermolecular H-bonding. Which of the following property is affected by H-bonding?
A)
Volatility
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B)
Boiling point
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C)
Solubility
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D)
All of these
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question_answer 110) How many\[\alpha -\]hydrogens are present in diethyl ether?
A)
10
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B)
6
done
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C)
4
done
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D)
2
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question_answer 111) Which one of the following types of drugs reduces fever?
A)
Tranquiliser
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B)
Antibiotic
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C)
Antipyretic
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D)
Analgesic
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question_answer 112) Which of the following is a polyamide?
A)
Bakelite
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B)
Terylene
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C)
Nylon-66
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D)
Teflon
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question_answer 113) Tertiary alkyl halides are practically inert towards substitution by\[{{S}_{N}}2\]mechanism because of
A)
steric hindrance
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B)
inductive effect
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C)
instability
done
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D)
insolubility
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question_answer 114) Which belongs to the actinide series?
A)
\[Ce\]
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B)
\[Cf\]
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C)
\[Ca\]
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D)
\[Cs\]
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question_answer 115) For a first order reaction at\[27{}^\circ C,\]the ratio of time required for 75% completion to 25% completion of reaction is
A)
\[\log \frac{4}{3}\]
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B)
\[\log \frac{3}{4}\]
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C)
\[\frac{\log \,4}{\log 4/3}\]
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D)
\[\frac{\log \,4/3}{\log 4}\]
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question_answer 116) If the rate of reaction,\[A\to B\]doubles on increasing the concentration of A by 4 times, the order of the reaction is
A)
2
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B)
1
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C)
\[\frac{1}{2}\]
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D)
4
done
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question_answer 117) The group of elements in which the differentiating electrons enters in the antepenultimate shell of atoms are called
A)
\[f-\]block elements
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B)
\[p-\]block elements
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C)
\[s-\]block elements
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D)
\[d-\]block elements
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question_answer 118) Brass, bronze and german silver have one common metal. This is
A)
\[Zn\]
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B)
\[Fe\]
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C)
\[Al\]
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D)
\[Cu\]
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question_answer 119) Which one of the following aqueous solutions of salts has the lowest pH value?
A)
\[C{{H}_{3}}COONa\]
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B)
\[NaCl\]
done
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C)
\[N{{H}_{4}}OOCC{{H}_{3}}\]
done
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D)
\[N{{H}_{4}}Cl\]
done
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question_answer 120) Select the statement which is not true?
A)
Nylon fibres are elastic.
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B)
Nylon fibres are not crease resistant.
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C)
Nylon fibres are used in parachute.
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D)
Both and .
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question_answer 121) Entamoeba gingivalis is causative agent of
A)
pyorrhea
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B)
amoebiasis
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C)
bronchitis
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D)
no disease but aggrevates pyorrhea
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question_answer 122) Post erythrocytic cycle of Plasmodium is also called
A)
Ross cycle
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B)
Krebs' cycle
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C)
WBCs cycle
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D)
Golgi cycle
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question_answer 123) Digestion in Leucosolenia and other sponges is
A)
only extracellular
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B)
only intracellular
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C)
first extracellular, then intracellular
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D)
first intracellular, then extracellular
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question_answer 124) A cysticerous in pig muscles can remain alive for
A)
six months
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B)
one year
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C)
six years
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D)
one month
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question_answer 125) Elephantiasis is caused by
A)
Entamoeba coli
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B)
trematodes
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C)
cestodes
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D)
Wuchereria bancrofti
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question_answer 126) Tube within tube plan is exhibited by which of the following groups of animals?
A)
Arthropods
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B)
Cephalochordates
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C)
Annelids
done
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D)
Mollusca
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question_answer 127) Molluscan blood contains
A)
haemoglobin
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B)
haemozoin.
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C)
haemocyanin
done
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D)
All of these
done
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question_answer 128) Male mosquito is not sanguivore as
A)
it lacks cutting and biting mandibles
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B)
it does not require any kind of proteins ?
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C)
it lacks smelling power
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D)
All of the above
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question_answer 129) Moulting in snakes is done by shedding
A)
comified cells
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B)
stratified germinativum
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C)
epidermis
done
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D)
dermis
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question_answer 130) Leveret is young one of
A)
eagle
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B)
hawk
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C)
deer
done
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D)
None of these
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question_answer 131) Caudal vertebrae of man are united to form a single
A)
synsacrum
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B)
pygostyle
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C)
coccyx
done
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D)
None of these
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question_answer 132) Fluid mosaic model exhibits amphipathy because of
A)
glycoproteins
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B)
phospholipids
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C)
lipids
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D)
glycolipids
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question_answer 133) The repeating unit in glycogen is
A)
glucose
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B)
fructose
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C)
galactose
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D)
cellulose
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question_answer 134) Non-reducing sugars have
A)
free CHO group and bound CO group
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B)
free CO group and bound CHO group
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C)
both CO and CHO free groups
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D)
neither free CO nor free CHO groups
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question_answer 135) During mitosis nuclear membrane disappears at
A)
early prophase
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B)
late prophase
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C)
metaphase
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D)
anaphase
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question_answer 136) Rarely observed phenotype in population is called
A)
wild type
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B)
mutant type
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C)
variant type
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D)
All of these
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question_answer 137) If a boy's father has haemophilia and his mother has one gene for haemophilia, what is the chance that the boy will inherit the disease?
A)
100%
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B)
50%
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C)
0%
done
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D)
75%
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question_answer 138) The controlling centre of cell is
A)
nucleus
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B)
nucleolus
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C)
mitochondria
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D)
ribosome
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question_answer 139) Which one of the following codons codes for the some information as UGC?
A)
UGU
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B)
UGA
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C)
UAG
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D)
UGG
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question_answer 140) In testis of frog, there are no
A)
Sertoli cells
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B)
spermatocytes
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C)
spermadds
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D)
intestinal ceils
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question_answer 141) Iron is stored in bone marrow as
A)
haemosedrin
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B)
ferritin
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C)
haematin
done
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D)
None of these
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question_answer 142) Red muscle cells are rich in
A)
only myosin
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B)
haemoglobin and glucose
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C)
lactic acid and acetic acid
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D)
myoglobin and cytochrome
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question_answer 143) Pepsin acts in:
A)
basic medium
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B)
acidic medium
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C)
neutral medium
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D)
All of these
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question_answer 144) One difference in breathing mechanism of frog and rabbit is that
A)
expansion of frog's lungs in not much
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B)
abdominal movements more in frog
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C)
diaphragm and rib muscles play important role in rabbit
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D)
air reaching frog's lungs is to cool
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question_answer 145) The movements of neutrophils to the site of inflammation is due to
A)
release of hormone
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B)
Chemotaxis
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C)
activity of antigens
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D)
activations of antigens
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question_answer 146) Kidney stones are crystals of
A)
sodium chloride
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B)
silica
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C)
calcium oxalate
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D)
potassium chloride
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question_answer 147) All the following are the properties of skeletal muscles except
A)
excitability
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B)
contractility
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C)
rhythmicity
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D)
toxicity
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question_answer 148) In human beings, which hormone acts as a mild growth hormone?
A)
Prolactin
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B)
Oestrogen
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C)
Progesterone
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D)
Cortisol
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question_answer 149) Which one is not diploblastic?
A)
Sponge
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B)
Cnidarian
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C)
Nematoda
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D)
Tenophora
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question_answer 150) On the basis of utility, Nagpuri buffaloes are categorized as
A)
milkers
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B)
dual purpose
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C)
drought cattle
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D)
grazers
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question_answer 151) In algae, the bacteriological filter is
A)
Oscillatoria
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B)
Bafrachospermum
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C)
Nostoc
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D)
Cosmarium
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question_answer 152) This place in India is called The Golden Mine of Liverworts'
A)
Eastern Himalayas
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B)
Western Himalayas
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C)
Western Ghats
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D)
Eastern Ghats
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question_answer 153) Which one of the following pairs of plants are not seed producers?
A)
Fem and Funaria
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B)
Funaria and Ficus
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C)
Ficus and Pinus
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D)
All of the above
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question_answer 154) What type of sorus is present in Nephrolepsis?
A)
Coenosorus
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B)
Simple
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C)
Mixed
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D)
None of these
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question_answer 155) In Pinus
A)
seed is winged but pollen grains are not
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B)
both seed and pollen grains are wingless
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C)
pollen grains are winged but seed is not
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D)
both seeds and pollen grains are winged
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question_answer 156) One of the set is wrongly matched
A)
Chrysan them urn - Sucker
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B)
Garlic - Cloves
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C)
Cyanodon - Stolen
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D)
None of the above
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question_answer 157) Conn is an
A)
underground vertical leaf
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B)
underground swollen stem
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C)
underground horizontal root
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D)
underground horizontal leaf
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question_answer 158) Which of the following plants are all roots?
A)
Podostemon
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B)
Lemna
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C)
Wolffia
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D)
Urricularia
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question_answer 159) The petiole modified into flattened lamina like structure is present in
A)
Acacia nilotica
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B)
Acacia Arabica
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C)
Acacia Australasia
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D)
Acacia asiriculo form is
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question_answer 160) In Gloriosa, the tendrillar part is formed by
A)
stipule
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B)
leaf apex
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C)
leaf petiole
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D)
axillary bud
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question_answer 161) Feathery stigma belongs to
A)
Wheat
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B)
pea
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C)
Datura
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D)
Caesalpinia
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question_answer 162) Diadelphy can be found in
A)
Pisum
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B)
Citrus
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C)
Bombax
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D)
Brassica
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question_answer 163) One of the following is not a flower
A)
Shoe flower
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B)
Passion flower
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C)
Sunflower
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D)
May flower
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question_answer 164) Catkin inflorescence is characteristic of
A)
Morus
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B)
Triticum
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C)
Ficus
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D)
All of these
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question_answer 165) Fruit of Hibiscus esculentus is
A)
capsule
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B)
cypsela
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C)
legume
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D)
pome
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question_answer 166) The naked seeded plants are the
A)
gymnosperms
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B)
monocots
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C)
dicots
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D)
All of these
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question_answer 167) Pollinia are found in
A)
Rubiaceae
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B)
Asteraceae
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C)
Asclepiadaceae
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D)
Myrtaceae
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question_answer 168) Wood commonly used for making cricket bat is:
A)
Cedrus
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B)
Salix
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C)
Tecrona
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D)
Morus
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question_answer 169) Enucleated cells at maturity are
A)
palisade cells
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B)
guard cells
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C)
companion cells
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D)
sieve elements
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question_answer 170) Sunken stomata are present in
A)
mesophyte
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B)
xerophyte
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C)
epiphytes
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D)
All of these
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question_answer 171) Atactostele vascular bundles are
A)
scattered in the ground tissue
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B)
three in number
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C)
in form of ring around
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D)
broken vascular bundles
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question_answer 172) Pure line breed refers to
A)
homozygosity
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B)
heterozygosity
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C)
homozygosity with only dominant genes
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D)
heterozygosity and linkage
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question_answer 173) Chlorophyll-a is characterized by the side group
A)
methyl
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B)
aldehyde
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C)
phytol
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D)
ketone
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question_answer 174) Which of the following plant is efficient converter of solar energy whose net productivity is \[2-4\text{ }kg/{{m}^{2}}/yr\]or even higher?
A)
Wheat
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B)
Rice
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C)
Sugarcane
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D)
Bajra
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question_answer 175) Chloroplast has maximum quantity of .......... in stroma.
A)
dehydrogenase
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B)
RuDP carboxylase
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C)
pyruvic carboxylase
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D)
hexokinase
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question_answer 176) Photorespiration takes place in plants where carbon fixation occurs through
A)
Calvin cycle
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B)
Hatch and Slack cycle
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C)
glycolysis
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D)
Krebs' cycle
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question_answer 177) When an ovary develops into a fruit without fertilization it is called
A)
porogamy
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B)
apospory
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C)
apogamy
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D)
parthenocarpy
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question_answer 178) Vivipary is shown by
A)
Cocos
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B)
Squash
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C)
Rhizophora
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D)
All of the above
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question_answer 179) GA usually promotes
A)
sterility in flowers
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B)
maleness in flowers
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C)
femaleness in flowers
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D)
Both and
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question_answer 180) Ethylene is
A)
gaseous hormone
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B)
largest hormone
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C)
liquid hormone
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D)
solid hormone
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