Solved papers for JIPMER Jipmer Medical Solved Paper-2003

Jipmer Medical Solved Paper-2003 Total Questions - 200

1) A car of mass 1000 kg moves on a circular track of radius 20 m. If the coefficient of friction of 0.64. The maximum velocity with which the car can be moved, is:

A)

\[11.2\text{ }m\text{/}s\]

B)

\[112\text{ }m\text{/}s\]

C)

       \[\frac{0.64\times 20}{1000\times 100}\text{m/s}\]

D)

       \[\frac{1000}{64\times 20}\text{m/s}\]

View Answer
2) The angle through which a cyclist bends when he covers a circular path of 34.3 m circumference in\[\sqrt{22}\] sec is: \[(g=9.8\,m/{{s}^{2}})\]

A)

\[15{}^\circ \]

B)

\[30{}^\circ \]

C)

\[60{}^\circ \]

D)

       \[45{}^\circ \]

View Answer
3) The radius of earth is 6400 km and\[g=10\text{ }m\text{/}{{s}^{2}}\]. In order that a body of 5 kg weight is zero at the equator, the angular speed is:

A)

\[\frac{1}{800}\text{rad/sec}\]

B)

\[\frac{1}{1600}\text{rad/sec}\]

C)

       \[\frac{1}{400}\text{rad/sec}\]

D)

       \[\frac{1}{80}\text{rad/sec}\]

View Answer
4) The escape velocity for the earth is 11.2 km/sec. The mass of another planet 100 times mass of earth and its radius is 4 times radius of the earth. The escape velocity for the planet is:

A)

56.0 km/sec

B)

280 km/sec

C)

112 km/sec

D)

       56 km/sec

View Answer
5) A wheel rotates with constant acceleration of 2.0 radian/sec2. If the wheel starts from rest the number of revolution it makes in the first ten second, will be approximately:

A)

32

B)

24

C)

16

D)

       8

View Answer
6) The moment of inertia of a body about a Given axis \[1.2\,\,kg\,\,{{m}^{2}}\]. Initially the body is at rest. In order to produce a rotational kinetic energy of 1500 J and angular acceleration of \[25\,\,rad\,/{{s}^{2}}\] must be applied about the axis for a duration of:

A)

10 s

B)

8 s

C)

2 s

D)

       4 s

View Answer
7) A girl is swinging on a swinging plate form in sitting position when the girl stands up then the period of swinging?

A)

will not change

B)

will depend on height of girl

C)

will be longer

D)

will be shorter

View Answer
8) The displacement of the motion of a particle is represent by a equation \[y=A\,\sin \,\omega t+B\,\cos \,\omega t\]The motion of particle is:

A)

SHM with amplitude \[\sqrt{{{A}^{2}}+{{B}^{2}}}\]

B)

SHM with amplitude \[A+B\]

C)

SHM with amplitude\[A\]

D)

Oscillatory but not in SHM

View Answer
9) A ball falling in a lake depth 200 m shows a decrease of 0.1% in its volume at the bottom then the bulk modulus of the material of the ball is :

A)

\[19.6\times {{10}^{8}}\text{N/}{{\text{m}}^{\text{2}}}\]

B)

\[19.2\times {{10}^{7}}\text{N/}{{\text{m}}^{\text{2}}}\]

C)

                       \[2.4\times {{10}^{9}}\text{N/}{{\text{m}}^{\text{2}}}\]

D)

       \[2.4\times {{10}^{5}}\text{N/}{{\text{m}}^{\text{2}}}\]

View Answer
10) A fixed volume of iron is drawn into a wire of length \[l.\] The extension \[x\] produced in this wire by a constant force F is proportional to:

A)

\[l\]

B)

\[{{l}^{2}}\]

C)

\[\frac{1}{l}\]

D)

       \[\frac{1}{{{l}^{2}}}\]

View Answer
11) Two bars A and B of circular cross-section and same volume made of same material are subjected under same tension. If the diameter of A is half that of B. The ratio of extension of A to B will be:

A)

16

B)

2

C)

1/4

D)

       4

View Answer
12) Water rises in a capillary up to a extension height such that upward force of surface tension balances the force of \[75\times {{10}^{-4}}N\] due to weight of water. If surface tension of water is\[6\times {{10}^{-2}}N\text{/}m\]. The internal circumference of the capillary must be:

A)

\[12.5\times {{10}^{-2}}\text{m}\]

B)

       \[6.5\times {{10}^{-2}}\text{m}\]

C)

       \[0.50\times {{10}^{-2}}\text{m}\]

D)

       \[1.25\times {{10}^{-2}}\text{m}\]

View Answer
13) A capillary tube of radius r can support a liquid of weight\[6.28\times {{10}^{-4}}\text{N}\text{.}\] if the surface tension of the liquid is \[5\times {{10}^{-2}}\] N/m. The radius of capillary must be:

A)

\[2.0\times {{10}^{-3}}\text{m}\]

B)

       \[2.0\times {{10}^{-4}}\text{m}\]

C)

\[1.5\times {{10}^{-3}}\text{m}\]

D)

       \[12.5\times {{10}^{-4}}\text{m}\]

View Answer
14) The soap bubbles radii in the ratio 2 : 1 ratio of excess pressure inside there is:

A)

1 : 4

B)

       4 : 1

C)

2 : 1

D)

       1 : 2

View Answer
15) Standing wave are produced in a 10 m long stretched string. If the string vibrates in 5 segments and the wave velocity is 20 m/s. The frequency is:

A)

10 Hz

B)

       5 Hz

C)

4 Hz

D)

       2 Hz

View Answer
16) A steel wire 0.5 m long has a total mass kg and stretched with a tension of 800 N. The frequency with which it vibrates in its fundamental note will be :

A)

4 Hz

B)

       2 Hz

C)

200 Hz

D)

       160 Hz

View Answer
17) A cord attached to a vibrating tuning fork is divided into six segments under tension of 36 N. It will be divided into fowl segments, if the tension is:

A)

48 N

B)

       81 N

C)

24 N

D)

       16 N

View Answer
18) The equation of travelling wave is \[y=60\,\cos \,(1800t-6x)\] where y is in micron and t in second and \[x\] in metre. The ratio of maximum particle velocity to velocity of wave propagation is :

A)

3.6

B)

       \[3.6\times {{10}^{-4}}\]

C)

       \[3.6\times {{10}^{-11}}\]

D)

       \[3.6\times {{10}^{-6}}\]

View Answer
19) In a sinusoidal wave, the time required for a particular point to move from maximum displacement to zero displacement is 0.170. The frequency of the wave will be:

A)

2.94 Hz

B)

       0.73 Hz

C)

       0.36 Hz

D)

       1.47 Hz

View Answer
20) The root mean square velocity of hydrogen molecules of an ideal hydrogen gas kept in a gas chamber at \[0{}^\circ C\] is 3180 m/s. Calculate the pressure of hydrogen gas \[=8.99\times {{10}^{-10}}\text{kg/}{{\text{m}}^{\text{3}}}\text{,}\]atmosphere \[=1.01\times {{10}^{-5}}\text{N/}{{\text{m}}^{2}})\]

A)

3.0 atm

B)

       2.0 aim

C)

       1.5 atm

D)

       1.0 atm

View Answer
21) \[22g\] of \[C{{O}_{2}}\] at \[27{}^\circ C\] is mixed with 16 g of \[{{O}_{2}}\] at \[37{}^\circ C\]. If both gases are considerers ideal, then temperature of mixture is.

A)

\[30.5{}^\circ C\]

B)

       \[37{}^\circ C\]

C)

\[27{}^\circ C\]

D)

       \[29.3{}^\circ C\]

View Answer
22) At a given temperature the pressure of an ideal of density \[\rho \] is proportional to:

A)

\[{{}^{2}}\]

B)

       \[\]

C)

\[\frac{1}{{{}^{2}}}\]

D)

       \[\frac{1}{}\]

View Answer
23) Air is expended from 50 litres to 150 litres at 2 atmosphere the external work done is:

A)

(1 atmospheric pressure\[=1\times {{10}^{5}}N\text{/}{{m}^{2}}\]) \[2\times {{10}^{-8}}\text{J}\]

B)

\[2\times {{10}^{-4}}\text{J}\]

C)

       \[\text{200J}\]

D)

       \[\text{2000J}\]

View Answer
24) Helium at \[27{}^\circ C\] has a volume 8 litres. It is suddnely compressed to a volume of litres. The temperature of the gas will be : \[\left( V=5/3 \right)\]

A)

\[9327{}^\circ C\]

B)

       \[1200{}^\circ C\]

C)

       \[927{}^\circ C\]

D)

       \[108{}^\circ C\]

View Answer
25) Energy is being emitted from the surface of a black body at\[127{}^\circ C\]the rate of \[1.0\times {{10}^{-6}}\text{J/s}{{\text{m}}^{2}}.\] The temperature of black body at which the rate of energy emission is \[16.0\times {{10}^{-6}}\text{J/s}{{\text{m}}^{2}}\] will be:

A)

\[754{}^\circ C\]

B)

       \[527{}^\circ C\]

C)

       \[254{}^\circ C\]

D)

       \[508{}^\circ C\]

View Answer
26) A cup of tea cools from \[80{}^\circ C\] to \[60{}^\circ C\] in one minute. The ambient temperature is\[30{}^\circ C\]. In cooling from \[60{}^\circ C\] to \[50{}^\circ C\]. It will take:

A)

50 sec

B)

       90 sec

C)

60 sec

D)

       48 sec

View Answer
27) Light of wavelength \[6000\,\overset{\text{o}}{\mathop{\text{A}}}\,\] is reflected at nearly normal incidence from a soap film of refractive index 1.4. The least thickness of the film that will appear black is:

A)

\[200\,\overset{\text{o}}{\mathop{\text{A}}}\,\]

B)

       \[2000\,\overset{\text{o}}{\mathop{\text{A}}}\,\]

C)

       \[1000\,\overset{\text{o}}{\mathop{\text{A}}}\,\]

D)

       infinity

View Answer
28) Light travels faster in air than that in glass. This is accordance with :

A)

wave theory of light

B)

corpuscular theory of light

C)

neither (a) nor (b)

D)

Both (a) and (b)

View Answer
29) In Youngs double slit experiment, light of wavelength \[6000\,\overset{\text{o}}{\mathop{\text{A}}}\,\] is used to produced fringes of width 0.8 mm at a distance of 2.5 m. If the whole appart is dropped in liquid of refractive index 1.6 then the fringe width will be :

A)

0.2 mm

B)

       0.4 mm

C)

       0.5 mm

D)

       0.6 mm

View Answer
30) The electric potential at the surface of an atomic nucleus \[\left( Z=50 \right)\] of radius \[9.0\times {{10}^{-5}}m\] is:

A)

\[8\times {{10}^{6}}V\]

B)

       \[80\,V\]

C)

\[9\times {{10}^{5}}V\]

D)

       \[9\,V\]

View Answer
31) Two metal plates having a potential difference of 800 V and 2 cm apart. It is found that a particle of mass \[1.96\times {{10}^{-15}}\]kg remaining suspended in the region between the plates. The charge on the particle must be : (e = elementry charge)

A)

\[8e\]

B)

       \[6e\]

C)

\[3e\]

D)

       \[2e\]

View Answer
32) The working of dynamic is based on the principle of:

A)

electromagnetic induction

B)

chemical effect of current

C)

magnetic effect of current

D)

heating effect of current

View Answer
33) When a voltmeter connected across the terminals of cell, measures 5 V and an ammeter connected measures 10 A. A resistance of 2\[\Omega \] is connected across the terminal of the cell. The current flowing through this resistance is:

A)

7.5 amp

B)

       5.0 amp

C)

       2.5 amp

D)

       2.0 amp

View Answer
34) In a neon discharge tube \[2.9\times {{10}^{18}}\] \[N{{e}^{+}}\] ions move to be the right per second while \[1.2\times {{10}^{8}}\] electron moves to the left per second electric charge is \[1.6\times {{10}^{-19}}C\]. The current in discharge tube is :

A)

0.66 A towards left

B)

0.66 A towards right

C)

1 A towards right

D)

zero

View Answer
35) The capacity of a parallel plate capacitor with no dielectric substance but with a separation of 0.4 cm is \[2\mu F.\] the separation is reduced to half and it is filled with a dielectric substance of value of 2.8. The final capacity of capacitor is :

A)

15.6 \[\mu F\]

B)

       11.2\[\mu F\]

C)

       19\[\mu F\]

D)

       22.4 \[\mu F\]

View Answer
36) In forward biased if the \[p-n\] junctions diode is forward biased, then width of potential barrier in \[p-n\] junction diode :

A)

Remain constant

B)

      increase

C)

       Decrease

D)

       none of these

View Answer
37) If the energy released in the fission of one nucleus is \[3.2\times {{10}^{-11}}\text{J,}\] then number of nuclei required per second in a power plant of 16 kW is:

A)

\[0.5\,\times {{10}^{14}}\]

B)

       \[0.5\times {{10}^{12}}\]

C)

       \[5\times {{10}^{12}}\]

D)

       \[5\times {{10}^{14}}\]

View Answer
38) X-rays are:

A)

electromagnetic radiation

B)

stream of electron

C)

stream of proton

D)

stream of uncharged particle

View Answer
39) The plates of a parallel plate capacitor of capacity of 50\[\mu F\] are charged by a battery to a potential of 100 volt. The battery remains connected the plates are separated from each other so that the distance between them is doubled. Then, the energy spent by battery in doing so, will be:

A)

\[12.5\times {{10}^{-2}}\text{J}\]

B)

       \[35\times {{10}^{-2}}\text{J}\]

C)

\[42.5\times {{10}^{-2}}\text{J}\]

D)

\[25\times {{10}^{-2}}\text{J}\]

View Answer
40) A light of wavelength \[2000\,\overset{\text{o}}{\mathop{\text{A}}}\,\] falls on a metallic surface of work function 5.01 eV then required potential difference to slope fastest photo electron is : \[(h=6.62\times {{10}^{-34}})\]

A)

4.8V

B)

                       3.6V

C)

2.4V

D)

       1.2V

View Answer
41) The distance between the poles of horse shoe magnet is 10 cm and its pole strength is \[{{10}^{4}}\]A. The magnetic field induction at point P mid-way between the poles is :

A)

\[8\times {{10}^{-9}}\] tesla

B)

\[4\times {{10}^{-19}}\] tesla

C)

       \[2\times {{10}^{-9}}\] tesla

D)

       zero

View Answer
42) Two small magnets each of magnetic moment \[10\text{ }A{{m}^{2}}\] are placed in end on position 0.1 m apart from their centres. The force acting between them is:

A)

\[0.6\text{N}\]

B)

                                                                       \[0.06\text{N}\]

C)

       \[0.06\times {{10}^{7}}\text{N}\]

D)

       \[0.6\times {{10}^{7}}\text{N}\]

View Answer
43) Magnetic field of a short magnet at a distance 1 m on axial line is 1 oersted at a distance 2 m on the same line the intensity in oersted is:

A)

0.75

B)

                                       0.125

C)

0.25

D)

       0.5

View Answer
44) The ratio of magnetic moments of two short magnets which give null deflection in tan B position at 12 cm and 18 cm from the centre of a deflection magnetometer is:

A)

4 : 9

B)

                       27 : 8

C)

2 : 3

D)

       8 : 27

View Answer
45) If the flux associated with a coil varies at the rate of 1 wb/min the induced emf is:

A)

zero

B)

                       60 V

C)

\[\frac{\text{1}}{\text{60}}\text{V}\]

D)

       1 V

View Answer
46) An AC supply gives \[30{{\text{V}}_{rms}}\] which is fed on a pure resistance of 10 ohm. The power dissipated in this is:

A)

90 watt

B)

45 watt

C)

       90 : 2 watt

D)

       180 watt

View Answer
47) The energy of a photon corresponding to the visible light maximum wavelength is nearly:

A)

7 eV

B)

      3.2 eV

C)

1 eV

D)

       1.6 eV

View Answer
48) If an electron has orbital angular momentum quantum number \[l=7\] then it will have an orbital angular momentum equal to:

A)

\[\sqrt{56}\left( \frac{h}{2\pi } \right)\]

B)

       \[57\left( \frac{h}{2\pi } \right)\]

C)

       \[42\left( \frac{h}{2\pi } \right)\]

D)

       \[7\left( \frac{h}{2\pi } \right)\]

View Answer
49) The radius of electron second stationary orbit in Bohrs atom is R. The radiusion third orbit will be:

A)

2.25R

B)

       3R

C)

R/3

D)

       9R

View Answer
50) The slope of plate characteristic and mutual characteristic curves of a triode valve is \[0.02\text{ }mA\text{/}V\] and \[1\text{ }mA\text{/}V\]. The amplification factor of triode valve is :

A)

\[2\times {{10}^{8}}\]

B)

       20

C)

50

D)

       40

View Answer
51) Dimension of relative density is:

A)

\[kg{{m}^{-3}}\]

B)

       \[M{{L}^{-3}}\]

C)

       dimensionless

D)

       \[{{M}^{2}}{{L}^{-6}}\]

View Answer
52) A ball is thrown from height \[h\] and another from \[2h.\] The ratio of time taken by the two balls to reach ground is:

A)

1 :\[\sqrt{2}\]

B)

       \[\sqrt{2}\]:1

C)

       2 : 1

D)

       1 : 2

View Answer
53) A ball is thrown upwards, it takes 4 sec to reach back to the ground. Find its initial velocity:

A)

\[30\,\,m{{s}^{-1}}\]

B)

       \[10\,\,m{{s}^{-1}}\]

C)

       \[40\text{ }m{{s}^{-1}}\]

D)

       \[20\,\,m{{s}^{-1}}\]

View Answer
54) A man is at a height of 100 m. He sees a car which makes an angle of \[\text{/6}\] with mans position. If the car moves to a point where angle is \[\text{/3}\] what is the distance moved by it?

A)

\[\left( \frac{100}{\sqrt{3}} \right)\text{m}\]

B)

       \[(200\sqrt{3})\text{m}\]

C)

      \[\left( \frac{200}{\sqrt{3}} \right)\text{m}\]

D)

       \[\left( \frac{150}{\sqrt{3}} \right)\text{m}\]

View Answer
55) A body of mass 0.1 kg attains a velocity of \[10.\text{m}{{\text{s}}^{-1}}\] in 0.1 sec. The force acting on the body is:

A)

10 N

B)

       0.01 N

C)

0.1 N

D)

       100 N

View Answer
56) If force \[\mathbf{\vec{F}}=5\mathbf{\hat{i}}+3\mathbf{\hat{j}}+4\mathbf{\hat{k}}\] makes a displacement of \[\mathbf{\vec{s}}=6\mathbf{\hat{i}}-5\mathbf{\hat{k}}\] work done by the force is:

A)

10 units

B)

      122\[\sqrt{5}\] units

C)

       \[5\sqrt{122}\] units

D)

       20 units

View Answer
57) The angular velocity of second hand, of a clock is:

A)

\[\left( \frac{\pi }{6} \right)\text{rad}\,{{\text{s}}^{\text{-1}}}\]

B)

       \[\left( \frac{\pi }{60} \right)\text{rad}\,{{\text{s}}^{\text{-1}}}\]

C)

       \[\left( \frac{\pi }{30} \right)\text{rad}\,{{\text{s}}^{\text{-1}}}\]

D)

       \[\left( \frac{\pi }{15} \right)\text{rad}\,{{\text{s}}^{\text{-1}}}\]

View Answer
58)                                                 A body is moving in a circular path with acceleration a. If its velocity gets doubled, find the ratio of acceleration after and before the change:

A)

1 : 4

B)

       \[\frac{1}{4}:1\]

C)

2 : 1

D)

       4 : 1

View Answer
59) Acceleration due to gravity at earths surface is\[g\text{ }m{{s}^{-2}}\]. Find the effective value of gravity at a height of 32 km from sea level: (\[{{R}_{e}}\] = 6400 km)

A)

\[0.5g\,\text{m}{{\text{s}}^{\text{-2}}}\]

B)

       \[0.99g\,\text{m}{{\text{s}}^{\text{-2}}}\]

C)

       \[1.01g\,\text{m}{{\text{s}}^{\text{-2}}}\]

D)

       \[0.90g\,\text{m}{{\text{s}}^{\text{-2}}}\]

View Answer
60) Near earths surface, time period of a satellite is 4 hrs. Find its time period at height 4R from the centre of earth:

A)

32 hrs

B)

                                       \[\left( \frac{1}{8\sqrt[3]{2}} \right)\,\text{hrs}\]

C)

\[8\sqrt[3]{2}\,\text{hrs}\]

D)

       \[16\text{ }hrs\]

View Answer
61) In an isochoric process, the increase in internal energy is equal to:

A)

the sum of heat absorbed and work done

B)

the work done

C)

heat absorbed

D)

heat evolved

View Answer
62) 75 c.c. of \[N\text{/}5\]\[{{H}_{2}}S{{O}_{4}}\]10 c.c. of \[N\text{/}2\,\]\[HCl\] and 30 c.c. of \[N\text{/}10\] \[HN{{O}_{3}}\] are mixed together. The strength of the resulting acid mixture is:

A)

0.1 N

B)

       0.2 N

C)

       0.3 N

D)

       0.4 N

View Answer
63) What would be the freezing point of aqueous solution containing 17 g of \[{{C}_{2}}{{H}_{5}}OH\] in 1000 g of water?

A)

\[0.34{}^\circ C\]

B)

      \[0.0{}^\circ C\]

C)

\[-\,0.34{}^\circ C\]

D)

\[-\,0.69{}^\circ C\]

View Answer
64) The pH of a solution is 5.0. If\[{{H}^{+}}\]ion concentration is decreased 100 times. Then the solution will be:

A)

neutral

B)

more acidic

C)

basic

D)

of the same acidity

View Answer
65) The molarity of pure water is:

A)

100

B)

                                       55.6

C)

18

D)

       5.56

View Answer
66) Azeotropic mixture of \[HCl\] and water has:

A)

20.2% \[HCl\]

B)

22.2% \[HCl\]

C)

       63% \[HCl\]

D)

       84% \[HCl\]

View Answer
67) Percentage of silver in the alloy German silver is:

A)

0%

B)

1.0%

C)

       2.5%

D)

       1.5%

View Answer
68) Which will have maximum ionization energy?

A)

Na

B)

Mg

C)

K

D)

       Bi

View Answer
69) Rusting of iron is a chemical reaction. The reaction is:

A)

double decomposition

B)

combination

C)

displacement

D)

analysis

View Answer
70) The IUPAC name of \[C{{H}_{3}}-\underset{C{{H}_{3}}}{\mathop{\underset{|}{\mathop{\underset{C{{H}_{2}}}{\mathop{\underset{|}{\mathop{CH}}\,}}\,}}\,}}\,-C{{H}_{2}}-CH(OH)-C{{H}_{3}}\]

A)

2-ethylpentanol-4

B)

3-methylhexanol-3

C)

4-methylhexanol-2

D)

4-ethylpentanol-2

View Answer
71) An asymmetric carbon atom is which:

A)

attached three atoms or groups are different

B)

attached all the atoms or groups are different

C)

attached two atoms or groups are different

D)

attached all the atoms or groups are the same

View Answer
72) The most reactive hydrocarbon is:

A)

methane

B)

ethane

C)

       ethylene

D)

       acetylene

View Answer
73) Which one of the following molecules undergoes polymerisation to form natural rubber?

A)

Styrene

B)

2-methyl-1, 3-butadiene

C)

Ethylene

D)

Iso-butene

View Answer
74) Heat of a reaction at constant pressure is equal to:

A)

\[{{H}_{P}}-{{H}_{R}}\]

B)

\[{{H}_{P}}+{{H}_{R}}\]

C)

       \[{{H}_{P}}\times {{H}_{R}}\]

D)

       \[\frac{{{H}_{P}}}{{{H}_{R}}}\]

View Answer
75) The density of \[S{{O}_{2}}\] at STP is\[2.86\,kg\,{{m}^{-3}}.\] Its density at \[819{}^\circ C\] and 2 atmospheres is:

A)

\[0.715\text{ }kg\,{{m}^{-3}}\]

B)

\[1.43\,kg\,{{m}^{-3}}\]

C)

       \[2.86\text{ }kg\,{{m}^{-3}}\]

D)

       \[4.26\text{ }kg\text{ }{{m}^{-3}}\]

View Answer
76) Quartz is an example of:

A)

cyclic silicate

B)

chain silicate

C)

frame work silicate

D)

sheet silicate

View Answer
77) Oxidation number of Cr in \[{{K}_{2}}C{{r}_{2}}{{O}_{7}}\] is:

A)

2

B)

4

C)

6

D)

       7

View Answer
78) Which of the following is most powerful oxidising agent?

A)

\[{{I}_{2}}\]

B)

\[C{{l}_{2}}\]

C)

\[B{{r}_{2}}\]

D)

       \[{{F}_{2}}\]

View Answer
79) Among the following compounds which is planar in shape is:

A)

acetylene

B)

benzene

C)

       isobutene

D)

       methane

View Answer
80) One gram of mass is equal to:

A)

\[9\times {{10}^{20}}ergs\]

B)

\[7\times {{10}^{15}}ergs\]

C)

       \[5\times {{10}^{10}}ergs\]

D)

       \[3\times {{10}^{5}}\,ergs\]

View Answer
81) Vapour density of a volatile substance is \[4(C{{H}_{4}}=1)\]. Its molecular weight would be:

A)

2

B)

8

C)

64

D)

       128

View Answer
82) The 3rd transitional series contain elements having atomic numbers from:

A)

21 to 29

B)

21 to 30

C)

20 to 30

D)

       21 to 31

View Answer
83) Which of the following ions is paramagnetic?

A)

\[C{{u}^{++}}\]

B)

       \[Z{{n}^{++}}\]

C)

       \[N{{i}^{++}}\]

D)

       Both a and c

View Answer
84) Which one of the following colloidal solution is positive sol?

A)

Gelatin in strongly acidic solution

B)

Smoke

C)

Dlay soil

D)

Blood

View Answer
85) The pH of blood is:

A)

greater than 10

B)

less than 6

C)

greater than 7 and less than 8

D)

greater than 8 and less than 9

View Answer
86) If \[{{K}_{b}}\] of HCN is \[4.0\times {{10}^{-10}},\]then the pH of\[2.5\times {{10}^{-1}}\] molar aqueous HCN is:

A)

2.0

B)

4.7

C)

5.0

D)

       \[2\times {{10}^{-5}}\]

View Answer
87) How many grams of \[Ca{{C}_{2}}{{O}_{4}}\] will dissolve in distilled water to make one litre of saturated solution? Solubility product of \[Ca{{C}_{2}}{{O}_{4}}\] is \[2.5\times {{10}^{-9}}mo{{l}^{2}}litr{{e}^{-2}}\] and its molecular weight is 128:

A)

0.0640 g

B)

                                       0.0032 g

C)

       0.0128 g

D)

       0.0064 g

View Answer
88) Deuterium oxide is used in nuclear reactor as:

A)

source of a-particle

B)

source of deuteron

C)

moderator

D)

fuel

View Answer
89) Lowest MP and BP is of:

A)

Ar

B)

Xe

C)

He

D)

       Ne

View Answer
90) Silicon is an important constituent of:

A)

alloys

B)

vegetables

C)

       animals

D)

       rocks

View Answer
91) \[{{H}_{3}}P{{O}_{3}}\]is:

A)

dibasic acid

B)

basic

C)

       tribasic acid

D)

       neutral

View Answer
92) Which of the following is coinage metal?

A)

Cu

B)

Sn

C)

Zn

D)

       Pb

View Answer
93) Hexamethylenetetramine is used as:

A)

urinary antiseptic

B)

antipyretic

C)

       analgesic

D)

       all of these

View Answer
94) Vinegar contains:

A)

100% acetic acid

B)

10 - 20% acetic acid

C)

7 - 8% acetic acid

D)

1% acetic acid

View Answer
95) Which of following is the correct order of increasing reactivity?

A)

\[RCOOR<RCOCl<RCON{{H}_{2}}\]

B)

\[RCOOR<RCON{{H}_{2}}<RCOCl\]

C)

\[RCOCl<RCON{{H}_{2}}<RCOOR\]

D)

\[RCON{{H}_{2}}<RCOOR<RCOCl\]

View Answer
96) Enzymes are:

A)

fatty acids

B)

oils

C)

minerals

D)

       proteins

View Answer
97) Gasoline is:

A)

\[{{C}_{17}}{{H}_{36}}\]to\[{{C}_{21}}{{H}_{50}}\]

B)

\[{{C}_{7}}{{H}_{24}}\]to \[{{C}_{14}}{{H}_{34}}\]

C)

\[{{C}_{7}}{{H}_{16}}\]to\[{{C}_{10}}{{H}_{22}}\]

D)

\[{{C}_{3}}{{H}_{8}}\]to \[{{C}_{6}}{{H}_{14}}\]

View Answer
98) What is the name of reaction when benzal-dehyde changes in to benzyl alcohol?

A)

Cannizzaros reaction

B)

Wurtz reaction

C)

Kolbe reaction

D)

Friedel-Craffs reaction

View Answer
99) Gammexane is:

A)

benzene hexachloride

B)

bromo benzene

C)

benzyl chloride

D)

chlorobenzene

View Answer
100) Aniline on treatment with \[HCl\] and\[NaN{{O}_{2}}\] gives:

A)

diazo salt

B)

nitroaniline

C)

       chloroaniline

D)

       aminophenol

View Answer
101) Saccharin contains:

A)

carbon and hydrogen

B)

carbon, oxygen and hydrogen

C)

carbon, hydrogen, oxygen and nitrogen

D)

carbon, hydrogen, sulphur, nitrogen and oxygen

View Answer
102) The digestion of fat in intestines is aided by:

A)

emulsification

B)

peptisation

C)

       protection

D)

       diffusion

View Answer
103) Dehydration of alcohol involves:

A)

carbene

B)

carbanion

C)

       free radical

D)

       carbonium ion

View Answer
104) Fentons reagent is:

A)

\[NaOH+FeS{{O}_{4}}\]

B)

\[{{H}_{2}}{{O}_{2}}+FeS{{O}_{4}}\]

C)

       \[{{H}_{2}}{{O}_{2}}+ZnS{{O}_{4}}\]

D)

       \[{{H}_{2}}{{O}_{2}}+MgS{{O}_{4}}\]

View Answer
105) A sample of \[CHC{{l}_{3}}\] before using as an anaesthetic is tested by:

A)

\[AgN{{O}_{3}}\] solution after boiling with KOH

B)

Ammonical cuprous chloride

C)

Fehling solution

D)

\[AgN{{O}_{3}}\]

View Answer
106) Which of the following compounds react slower than benzene in electrophilic bromination:

A)

B)

C)

D)

View Answer
107) Which of the following possesses highest melting point?

A)

p-dichlorobenzene

B)

m-dichlorobenzene

C)

o-dichlorobenzene

D)

chlorobenzene

View Answer
108) In the complex \[[Co{{(en)}_{2}}C{{l}_{2}}]\,Br,\]the co-ordination number and oxidation state of cobalt are:

A)

6 and + 1

B)

                       6 and + 3

C)

       3 and + 3

D)

       4 and + 2

View Answer
109) The transition metals mostly are:

A)

paramagnetic

B)

diamagnetic

C)

both a and b

D)

neither diamagnetic nor paramagnetic

View Answer
110) Strongest Bronsted base among the following anions is:

A)

\[ClO_{4}^{-}\]

B)

       \[ClO_{3}^{-}\]

C)

       \[ClO_{2}^{-}\]

D)

       \[Cl{{O}^{-}}\]

View Answer
111) Cadmium rods are used for which purpose?

A)

emit electrons

B)

absorb neutrons

C)

       emit neutrons

D)

       absorb electrons

View Answer
112) Propionic acid and KOH reacts to produce which one of the following?

A)

Potassium propionate

B)

Propyl alcohol

C)

Propionaldehyde

D)

Does not react

View Answer
113) What is the effect of dilution on the equivalent conductance of strong electrolyte?

A)

Decrease on dilution

B)

Remains unchanged

C)

Increase on dilution

D)

None of the above

View Answer
114) 35.4 mL of \[HCl\]is required for the neutralization of a solution containing 0.275 g of sodium hydroxide. The normality of hydrochloric acid is?

A)

0.97 N

B)

                       0.142 N

C)

       0.194 N

D)

       0.244 N

View Answer
115) When \[{{H}_{2}}S\] gas is passed in a metal sulphate solution in presence of \[N{{H}_{4}}OH,\]a white precipitate is produced. The metal is identified as:

A)

Zn

B)

                                       Fe

C)

Pb

D)

       Hg

View Answer
116) The value of amu is which of the following?

A)

\[1.57\times {{10}^{-24}}kg\]

B)

\[1.66\times {{10}^{-24}}kg\]

C)

       \[1.99\times {{10}^{-23}}kg\]

D)

       \[1.99\times {{10}^{-27}}kg\]

View Answer
117) The molecule having largest dipole moment among the following is:

A)

\[CH{{l}_{3}}\]

B)

                       \[C{{H}_{4}}\]

C)

       \[CHC{{l}_{3}}\]

D)

       \[CC{{l}_{4}}\]

View Answer
118) When calcium acetate is distilled, it will produce which of the following compound?

A)

\[C{{H}_{3}}COOH\]

B)

\[C{{H}_{3}}CHO\]

C)

       \[C{{H}_{3}}COC{{H}_{3}}\]

D)

       all of these

View Answer
119) Which of the following electronic configuration represents noble gas?

A)

\[n{{s}^{2}}n{{p}^{6}}\]

B)

       \[n{{s}^{2}}n{{p}^{5}}\]

C)

       \[n{{s}^{2}}n{{p}^{4}}\]

D)

       \[n{{s}^{2}}n{{p}^{3}}\]

View Answer
120) Sodium pyrophosphate is represented by which of the following formula?

A)

\[N{{a}_{2}}{{P}_{2}}{{O}_{4}}\]

B)

\[N{{a}_{4}}{{P}_{2}}{{O}_{5}}\]

C)

       \[N{{a}_{4}}{{P}_{2}}{{O}_{7}}\]

D)

       \[N{{a}_{2}}{{P}_{2}}{{O}_{5}}\]

View Answer
121) Total number of bones in the hind limb of a man is:

A)

21

B)

23

C)

27

D)

       30

View Answer
122) CO is a pollutant because:

A)

it reacts with \[{{O}_{2}}\]

B)

it inhibits glycolysis

C)

it reacts with haemoglobin

D)

it makes nervous system inactive

View Answer
123) Protein deficiency disease is:

A)

eczema

B)

                                       cirrhosis

C)

kwashiorkor

D)

       night blindness

View Answer
124) In living beings ammonia is converted into urea through:

A)

ornithine cycle

B)

citrulline cycle

C)

       fumarine cycle

D)

       arginine cycle

View Answer
125) The chemical knifes of DNA are:

A)

polymerases

B)

       ligases

C)

endonucleases

D)

       amylases

View Answer
126) A definite number of segments are found in:

A)

slug

B)

                       earthworm

C)

       leech

D)

       tapeworm

View Answer
127) Biologically most resistant plant material is:

A)

sporopollenin

B)

       cutin

C)

lignin

D)

       suberin

View Answer
128) Which of the following is an edible fungus:

A)

Agaricus

B)

Albugo

C)

Rhizopus

D)

       Puccinia

View Answer
129) 2n- 1 condition is called:

A)

trisomy

B)

                       monosomy

C)

       nullisomy

D)

       tetrasomy

View Answer
130) Blue-green algae is found in:

A)

Cycas

B)

Pinus

C)

Scales of Marchantia

D)

Riccia

View Answer
131) Turpentine oil is obtained from:

A)

Pinus

B)

       Cycas

C)

Cedrus

D)

       Delbergia

View Answer
132) In gametophyte of fem:

A)

prothallus is independent from sporophyte

B)

prothallus is attached with sporophyte

C)

it is main plant body

D)

a structure attached with rhizome

View Answer
133) The lack of fruit formation in gymnosperm is due to:

A)

absence of fertilization

B)

lack of seeds

C)

naked ovule

D)

shedding of immature seed

View Answer
134) A secretion that digests both carbohydrates       and proteins is:

A)

ptyalin

B)

                       pepsin

C)

       pancreatic juice

D)

                       saliva

View Answer
135) Food is moved along the alimentary canal by the contraction known as:

A)

peristalisis

B)

       epiglottis

C)

       osmosis

D)

       cyclosis

View Answer
136) Villi are present in the:

A)

large intestine

B)

small intestine

C)

       colon

D)

       stomach

View Answer
137) Fatty acids are absorbed by the:

A)

lacteals

B)

                       pylorous

C)

colon

D)

       capillaries

View Answer
138) Hydrochloric acid in the stomach is secreted by some special type of cells called:

A)

peptic cells

B)

                       goblet cells

C)

       oxyntic cells

D)

       gastric cells

View Answer
139) Enzyme and carbohydrates dominate in the digestive tract of:

A)

carnivores

B)

       omnivores

C)

       parasites

D)

       herbivores

View Answer
140) In horses, rabbits, hares the cellulose gets digested in the:

A)

caecum

B)

                       stomach

C)

appendix

D)

       rumen

View Answer
141) The pylorous is the constricted part of the alimentary canal which is situated between:

A)

stomach and duodenum

B)

oesophagus and stomach

C)

duodenum and ileum

D)

ileum and rectum

View Answer
142) The intestinal juice, succus entericus is secreted by:

A)

Brunners gland

B)

Kupffer cells

C)

crypts of Leiberkuhn

D)

goblet cells

View Answer
143) Below freezing point, the pepsin:

A)

becomes over activated

B)

gets destroyed

C)

remains unaffected

D)

gets inactivated

View Answer
144) In Pteridium meiosis takes place at the time of:

A)

spore formation

B)

organ formation in prothallus

C)

spore germination

D)

gamete formation

View Answer
145) Club moss is the common name of:

A)

Selaginella

B)

       Funaria

C)

       Potamogeton

D)

       Lycopodium

View Answer
146) Pneumatophores (respiratory roots) are found in:

A)

Pistia

B)

                       Calobranchia

C)

       Rhizophora

D)

       all of these

View Answer
147) All tissues consist of cells sentence was said by:

A)

Wallace

B)

                      Virchow

C)

Schleiden

D)

       none of these

View Answer
148) The part of mushroom comes out from soil is called:

A)

basidiocarp

B)

       ascogonium

C)

       ascocarp

D)

       pericarp

View Answer
149) The red color of red sea is due to which of the following blue-green algae?

A)

Chlamydomonas nivalis

B)

Anabaena

C)

Microcystis

D)

Trichodesmium

View Answer
150) Maximum absorption of light occurs in the region of:

A)

400-700 nm

B)

                       700-900 nm

C)

       1000-1200 nm

D)

                       1500-2000 nm

View Answer
151) The first animal domesticated by primitive man was:

A)

dog

B)

       horse

C)

cat

D)

       cow

View Answer
152) Mycorrhiza is correctly described as:

A)

symbiosis of algae and fungi

B)

relation of ants with the stem of some trees

C)

parasitic association between roots and some fungi

D)

symbiotic relationship between fungi and roots of some higher plants

View Answer
153) Now-a-days cornea transplantation is very popular. The reason is that it:

A)

is easy to preserve

B)

transplanted very easily

C)

can be easily obtained

D)

does not link with blood supply and immune system

View Answer
154) In \[{{C}_{4}}\] plants, \[C{{O}_{2}}\]; combines with:

A)

phosphoglyceric acid

B)

Ribulose diphosphate

C)

phosphoenol pyruvate

D)

phosphoglyceraldehyde

View Answer
155) Which one of the following elements is almost non- essential for plants?

A)

Ca

B)

                       Mo

C)

       Zn

D)

       Na

View Answer
156) Which is a typical example of feedback inhibition?

A)

Allosteric inhibition of hexokinase by glucose- 6- phosphate

B)

Reaction between succinic dehydrogenase and succinic acid

C)

Cyanide and cytochrome reaction

D)

Sulpha drugs and folic acid synthesizer bacteria

View Answer
157) Photorespiration is favoured by:

A)

high \[{{O}_{2}}\]; and low \[C{{O}_{2}}\]

B)

high \[C{{O}_{2}}\] and low \[{{O}_{2}}\];

C)

high temperature and low \[{{O}_{2}}\]

D)

high humidity and temperature

View Answer
158) The true statement about green-house effect is that it is:

A)

caused only by \[C{{O}_{2}}\]

B)

caused by \[C{{O}_{2}}\], CFCs, \[C{{H}_{4}}\] and \[N{{O}_{2}}\] gases

C)

caused by combination of many gases

D)

none of these

View Answer
159) Cochineal insects have proved very useful for:

A)

rodents control

B)

Parthenium control

C)

cactus prevention

D)

Eicchornia prevention

View Answer
160) Gymnosperm have how many species?

A)

1000

B)

       900

C)

640

D)

       300

View Answer
161) If there are 4 microspore mother cells in an anther, what will be the number of pollen grains?

A)

4

B)

                       8

C)

12

D)

       16

View Answer
162) What are the sex organs provided in some bacteria?

A)

Circular DNA

B)

                       Gametes

C)

       Sex pili

D)

       Plasmid

View Answer
163) The correct sequence for the formation of chemicals on the primitive earth is:

A)

\[N{{H}_{3}},\] protein, carbohydrate and nucleic acid

B)

\[N{{H}_{3}},\] water, nucleic adds and protein

C)

\[N{{H}_{3}},\] nucleic acids/ protein and carbohydrate

D)

protein, carbohydrate, water and nucleic acids

View Answer
164) 2, 4-D is an effective:

A)

fungicide

B)

       weedicide

C)

       rodenticide

D)

       wormicide

View Answer
165) Which vertebrate organ receives only oxygenated blood?

A)

Gill

B)

                       Lung

C)

Spleen

D)

       Liver

View Answer
166) Which typical stage is known for DNA replication?

A)

Metaphase

B)

                       \[{{G}_{1}}\]-phase

C)

S-phase

D)

       \[{{G}_{2}}\]-phase

View Answer
167) The formation of canal system in sponges is due to:

A)

reproduction

B)

       porous waits

C)

folding of inner walls

D)

gastro-vascular system

View Answer
168) The term Meiosis was given by:

A)

Johansen

B)

       Knoll and Ruska

C)

A. Fleming

D)

       Farmer and Moore

View Answer
169) Lampbrush chromosomes are seen in which typical stage:

A)

mitotic anaphase

B)

mitotic prophase

C)

mitotic metaphase

D)

meiotic prophase

View Answer
170) Benthoic animals arc those/ which:

A)

are deep dweller in sea

B)

are floating (free) organisms

C)

are submerged in sea

D)

float on the sea surface

View Answer
171) In \[{{C}_{4}}\] plants, \[C{{O}_{2}}\] fixation is done by:

A)

mesophyll cells

B)

guard cells

C)

sclerenchyma

D)

chlorenchyma and hypodermis

View Answer
172) Which   country   has   the   greatest contribution for the whole formation in ozone layer?

A)

USA

B)

                       Germany

C)

Russia

D)

       Japan

View Answer
173) Radio-tracer technique shows that DNA is in:

A)

single-helix stage

B)

double-helix stage

C)

multi- helix stage

D)

none of these

View Answer
174) When paternal and maternal chromosomes change their materials with each other in cell division this event is called:

A)

synapsis

B)

       crossing over

C)

bivalent-forming

D)

      dyad-forming

View Answer
175) AIDS disease was first reported in:

A)

Russia

B)

                       Germany

C)

USA

D)

       France

View Answer
176) Which or the following products are obtained by anaerobic respiration from yeast?

A)

Alcohols

B)

\[C{{O}_{2}}\]

C)

Bear and wine

D)

       All of these

View Answer
177) What will be the number of Calvin cycles to generate one molecule of hexose?

A)

4

B)

                                       6

C)

8

D)

       9

View Answer
178) When a natural predator (living being) is applied on the other pathogen organism to control them, this process is called:

A)

biological control

B)

genetic engineering

C)

artificial control

D)

confusion technique

View Answer
179) The 10% energy transfer law of food chain was given by:

A)

Stanley

B)

                       Weismann

C)

Lindemann

D)

       Tansley

View Answer
180) The ornithine cycle removes two waste products from the blood in liver. These products are:

A)

\[C{{O}_{2}}\] and urea

B)

       ammonia and urea

C)

\[C{{O}_{2}}\] and ammonia

D)

ammonia and uric acid

View Answer
181) If Indias environmental problem is not dealt with urgently, it will:

A)

create problems of poverty

B)

ruin the ecology of the country

C)

lead to war

D)

make people unemployed

View Answer
182) The latest data regarding loss of forests have been collected by:

A)

environmentalists

B)

satellites

C)

Indian farmers

D)

state government

View Answer
183) The amount of environmental damage as indicated by official figures is:

A)

not very alarming

B)

much less than the actual one

C)

more than the actual damage

D)

as much as it really is

View Answer
184) Directions: Choose the correct meaning of the given words. ADAMANT:

A)

tractable

B)

       flexible

C)

       inflexible

D)

       soft

View Answer
185) Directions: Choose the correct meaning of the given words. GOAD:

A)

features

B)

       complain

C)

       urge

D)

       pertinent

View Answer
186) Directions: Choose the correct meaning of the given words. FABULOUS:

A)

unbelievable

B)

       soft

C)

weaken

D)

       strong

View Answer
187) Directions: Choose the correct meaning of the given words. ACME:

A)

surface layer

B)

       perfection

C)

bottom

D)

       depth

View Answer
188) Directions: Choose the correct synonyms of the given words. IDOL:

A)

rough

B)

       normal

C)

favourite

D)

       bad

View Answer
189) Directions: Choose the correct synonyms of the given words. INFER:

A)

last

B)

       conclude

C)

enough

D)

       end

View Answer
190) Directions: Choose the correct synonyms of the given words. IMPRESS:

A)

hint

B)

       inexpressible

C)

show

D)

       force

View Answer
191) Directions: Choose the correct synonyms of the given words. ENTRY:

A)

        come in

B)

penetration

C)

inside

D)

       admittance

View Answer
192) Directions: Choose the correct antonyms from the given set of words. INSERTION:

A)

                        displacement

B)

                       extraction

C)

       withdrawl

D)

       removal

View Answer
193) Directions: Choose the correct antonyms from the given set of words. PERMANENT:

A)

disheveled

B)

       improper

C)

       indifferent

D)

       temporary

View Answer
194) Directions: Choose the correct antonyms from the given set of words. BLASE:

A)

cultured

B)

indifferent

C)

afraid

D)

       worldly

View Answer
195) Directions: Choose the correct antonyms from the given set of words. FATUOUS:

A)

witty

B)

       in one

C)

       thin

D)

       planned

View Answer
196) Directions: Choose the incorrect word in the following sentences. Had I known you were coming I would stay at?

A)

coming I

B)

       I would stay

C)

       you were

D)

I known

View Answer
197) Directions: Choose the incorrect word in the following sentences. The bus was hired by the ladies for its picnic:

A)

the bus

B)

                                       was hired

C)

       by the ladies

D)

       for its picnic

View Answer
198) Directions: Choose the incorrect word in the following sentences. I must find out some means of balancing my budget:

A)

my budget

B)

       of balancing

C)

       some means

D)

       out

View Answer
199) Directions: Choose the incorrect word in the following sentences. Listen carefully, he speaks:

A)

                        listen

B)

       carefully

C)

       he

D)

       he speaks

View Answer
200) Directions: Choose the incorrect word in the following sentences. The crowd at the stadium clapped jubilantly when the champion received his trophy:

A)

crowd at the stadium

B)

clapped jubilantly

C)

when the champion

D)

his

View Answer

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