Solved papers for WB JEE Medical WB JEE Medical Solved Paper-2010

WB JEE Medical Solved Paper-2010 Total Questions - 160

1) Experimental investigations show that the intensity of solar radiation is maximum for a wavelength 480 nm in the visible region. Estimate the surface temperature of sun. (Given Wiens constant \[b=2.88\times {{10}^{-3}}mK.\])

A)

4000 K

B)

6000 K

C)

8000 K

D)

\[{{10}^{6}}K\]

View Answer
2) The temperature of an ideal gas is increased from 120 K to 480 K. If at 120 K, the root mean square speed of gas molecules is v, then at 480 K, it will be

A)

4v

B)

2v

C)

\[\frac{v}{2}\]

D)

\[\frac{v}{4}\]

View Answer
3) Two mirrors at an angle \[{{\text{ }\!\!\theta\!\!\text{ }}^{\text{o}}}\] produce 5 images of a point. The number of images produced when \[\text{ }\!\!\theta\!\!\text{ }\] is decreased to \[\theta -{{30}^{o}}\] is

A)

9

B)

10

C)

11

D)

12

View Answer
4) The radius of the light circle observed by a fish at a depth of 12 m is (refractive index of water = 4/3)

A)

\[36\sqrt{7}\]

B)

\[\frac{36}{\sqrt{7}}\]

C)

\[36\sqrt{5}\]

D)

\[4\sqrt{5}\]

View Answer
5) In Youngs double slit experiment, the fringe width is p. If the entire arrangement is placed in a liquid of refractive index n, the fringe width becomes

A)

\[n\beta \]

B)

\[\frac{\beta }{n+1}\]

C)

\[\frac{\beta }{n-1}\]

D)

\[\frac{\beta }{n}\]

View Answer
6) A plano-convex lens \[(f=20\,cm)\] is silvered at plane surface. Now focal length will be

A)

20 cm

B)

40 cm

C)

30 cm

D)

10 cm

View Answer
7) The light beams of intensities in the ratio of \[9:1\] are allowed to interfere. What will be the ratio of the intensities of maxima and minima?

A)

3 : 1

B)

4 : 1

C)

25 : 9

D)

81 : 1

View Answer
8) If \[{{x}_{1}}\]be the size of the magnified image and. \[{{x}_{2}}\] the size of the diminished image in Lens Displacement Method, then the size of the object is

A)

\[\sqrt{{{x}_{1}}{{x}_{2}}}\]

B)

\[{{x}_{1}}{{x}_{2}}\]

C)

\[x_{1}^{2}{{x}_{2}}\]

D)

\[{{x}_{1}}x_{2}^{2}\]

View Answer
9) A point charge +q is placed at the centre of a cube of side L. The electric flux emerging from the cube is

A)

\[\frac{q}{{{\varepsilon }_{0}}}\]

B)

zero

C)

\[\frac{6q{{L}^{2}}}{{{\varepsilon }_{0}}}\]

D)

\[\frac{q}{6{{L}^{2}}{{\varepsilon }_{0}}}\]

View Answer
10) In the figure below, the capacitance of each capacitor is \[3\mu F.\] The effective capacitance I between A and B is

A)

\[\frac{3}{4}\mu F\]

B)

\[3\,\mu F\]

C)

\[6\,\mu F\]

D)

\[5\,\mu F\]

View Answer
11) \[n\]identical droplets are charged to V volt each. If they coalesce to form a single drop, then its potential will be

A)

\[{{n}^{2/3}}V\]

B)

\[{{n}^{1/3}}V\]

C)

\[nV\]

D)

\[V/n\]

View Answer
12) The reading of the ammeter in the following figure will be

A)

0.8 A

B)

0.6 A

C)

0.4 A

D)

0.2 A

View Answer
13) A wire of resistance R is elongated \[n-\]fold to make a new uniform wire. The resistance of new wire

A)

\[nR\]

B)

\[{{n}^{2}}R\]

C)

2nR

D)

\[2{{n}^{2}}R\]

View Answer
14) The ratio of magnetic field and magnetic moment at the centre of a current carrying circular loop is \[x.\]When both the current and radius is doubled the ratio will be

A)

\[x/8\]

B)

\[x/4\]

C)

\[x/2\]

D)

\[2x\]

View Answer
15) The current through a coil of self-inductance \[L=2mH\] is given by \[i={{t}^{2}}{{e}^{-t}}\]at time t. How long it will take to make the emf zero?

A)

1s

B)

2s

C)

3s

D)

4 s

View Answer
16) The magnetic flux through a loop of resistance \[10\,\Omega \] is given by \[(o|=5{{t}^{2}}-4t+1\,Wb).\]How much current is induced in the loop after 0.2 s?

A)

0.4 A

B)

0.2 A

C)

0.04 A

D)

0.02 A

View Answer
17) The decimal equivalent of the binary number \[{{(11010.101)}_{2}}\] is

A)

9.625

B)

25.265

C)

26.625

D)

26.265

View Answer
18) In a common emitter configuration, a transistor has \[\beta =50\] and input resistance \[\text{1}\,\text{k }\!\!\Omega\!\!\text{ }\text{.}\] If the peak value of AC input is 0.01 V, then the peak value of collector current is

A)

\[0.01\,\mu A\]

B)

\[0.25\,\mu A\]

C)

\[100\,\mu A\]

D)

\[500\,\mu A\]

View Answer
19) Half-life of a radioactive substance is 20 min. The time between 20% and 80% decay will be

A)

20 min

B)

30 min

C)

40 min

D)

25 min

View Answer
20) The energy released by the fission of one uranium atom is 200 MeV. The number of fissions per second required to produce 3.2 W of power is (Take, \[1\,eV=1.6\times {{10}^{-19}}J\])

A)

\[{{10}^{7}}\]

B)

\[{{10}^{10}}\]

C)

\[{{10}^{15}}\]

D)

\[{{10}^{11}}\]

View Answer
21) A body is projected with a speed \[\mu \,m/s\]at an angle \[\beta \]with the horizontal. The kinetic 3 energy at the highest point is \[\frac{3}{4}\,\text{th}\]of the 4 initial kinetic energy. The value of \[\beta \] is

A)

\[{{30}^{o}}\]

B)

\[{{45}^{o}}\]

C)

\[{{60}^{o}}\]

D)

\[{{120}^{o}}\]

View Answer
22) A ball is projected horizontally with a velocity of 5 m/s from the top of a building 19.6 m high. How long will the ball take to hit the ground?

A)

\[\sqrt{2}\,s\]

B)

2s

C)

\[\sqrt{3}\,s\]

D)

3 s

View Answer
23) A stone falls freely from rest and the total distance covered by it in the last second of its motion equals the distance covered by it in the first three seconds of its motion. The stone remains in the air for

A)

6 s

B)

5 s

C)

7s

D)

4s

View Answer
24) Two blocks of 2 kg and 1 kg are in contact on a frictionless table. If a force of 3 N is applied on 2 kg block, then the force of contact between the two blocks will be

A)

zero

B)

1 N

C)

2N

D)

3N

View Answer
25) If momentum is increased by 20%, then kinetic energy increases by

A)

48%

B)

44%

C)

40%

D)

36%

View Answer
26) A boy of mass 40 kg is climbing a vertical pole at a constant speed. If the coefficient of friction between his palms and the pole is 0.8 and \[g=10\,m/{{s}^{2}},\]the horizontal force that he is applying on the pole is

A)

300 N

B)

400 N

C)

500 N

D)

600 N

View Answer
27) The value of \[\lambda \] for which the two vectors \[\vec{a}=5\hat{i}+\lambda \hat{j}+\hat{k}\]and \[\vec{b}=\hat{i}-2\hat{j}+\hat{k}\] are perpendicular to each other is

A)

2

B)

-2

C)

3

D)

-3

View Answer
28) If \[\vec{a}+\vec{b}+\vec{c}\]and \[a+b=c,\]then the angle included between \[\vec{a}\]and \[\vec{b}\]is

A)

\[{{90}^{o}}\]

B)

\[{{180}^{o}}\]

C)

\[{{120}^{o}}\]

D)

zero

View Answer
29) The height vertically above the earths surface at which the acceleration due to gravity becomes 1% of its value at the surface is (R is the radius of the earth)

A)

8R

B)

9R

C)

10R

D)

20R

View Answer
30) The change in the gravitational potential energy when a body of mass m is raised to a height nR above the surface of the Earth is (Here R is the radius of the earth)

A)

\[\left( \frac{n}{n+1} \right)mgR\]

B)

\[\left( \frac{n}{n-1} \right)mgR\]

C)

\[nmgR\]

D)

\[\frac{mgR}{n}\]

View Answer
31) A particle of mass m is attached to three identical massless springs of spring constant k as shown in the figure. The time period of vertical oscillation of the particle is

A)

\[2\pi \sqrt{\frac{m}{k}}\]

B)

\[2\pi \sqrt{\frac{m}{2k}}\]

C)

\[2\pi \sqrt{\frac{m}{3k}}\]

D)

\[\pi \sqrt{\frac{m}{k}}\]

View Answer
32) A spring of force constant k is cut into three equal parts. The force constant of each part would be

A)

\[\frac{k}{3}\]

B)

\[3k\]

C)

\[k\]

D)

\[2k\]

View Answer
33) A body floats in water with 40% of its volume outside water. When the same body floats in oil, 60% of its volume remains outside oil. The relative density of the oil is

A)

0.9

B)

1.2

C)

1.5

D)

1.8

View Answer
34) A uniform long tube is bent into a circle of radius R und it lies in vertical plane. Two liquids of same volume but densities \[\rho \]and \[\delta \] fill half the tube. The angle \[\theta \] is

A)

\[{{\tan }^{-1}}\left( \frac{\rho -\delta }{\rho +\delta } \right)\]

B)

\[{{\tan }^{-1}}\left( \frac{\rho }{\delta } \right)\]

C)

\[{{\tan }^{-1}}\left( \frac{\delta }{\rho } \right)\]

D)

\[{{\tan }^{-1}}\left( \frac{\rho +\delta }{\rho -\delta } \right)\]

View Answer
35) Two solid spheres of same metal but of mass M and 8M fall simultaneously on a viscous liquid and their terminal velocities are v and nv, then value of n is

A)

16

B)

8

C)

4

D)

2

View Answer
36) A particle is executing linear simple harmonic motion of amplitude A. At what displacement is the energy of the particle half potential and half kinetic?

A)

\[\frac{A}{4}\]

B)

\[\frac{A}{2}\]

C)

\[\frac{A}{\sqrt{2}}\]

D)

\[\frac{A}{\sqrt{3}}\]

View Answer
37) The equation of a progressive wave is \[y=4\sin (4\pi t-0.04x+\pi /3)\]where \[x\]is in metre and t is in second. The velocity of the wave is

A)

\[100\pi m/s\]

B)

\[50\pi \,m/s\]

C)

\[25\pi \,m/s\]

D)

\[\pi \,m/s\]

View Answer
38) A longitudinal wave is represented by \[x={{x}_{0}}\sin 2\pi (nt-x/\lambda ).\]The   maximum particle velocity will be four times the wave velocity if

A)

\[\lambda =\frac{\pi {{x}_{0}}}{4}\]

B)

\[\lambda =2\pi {{x}_{0}}\]

C)

\[\lambda =\frac{\pi {{x}_{0}}}{2}\]

D)

\[\lambda =4\pi {{x}_{0}}\]

View Answer
39) A block of ice at temperature \[-\text{20}{{\,}^{\text{o}}}\text{C}\]is slowly heated and converted to steam at \[\text{100}{{\,}^{\text{o}}}\text{C}\] Which of the following diagram is most appropriate?

A)

B)

C)

D)

View Answer
40) Two black bodies at temperatures \[\text{327}{{\,}^{\text{o}}}\text{C}\]and \[\text{427}{{\,}^{\text{o}}}\text{C}\]are kept in an evacuated chamber at \[\text{27}{{\,}^{\text{o}}}\text{C}\] The ratio of their rates of loss of heat are

A)

\[\frac{6}{7}\]

B)

\[{{\left( \frac{6}{7} \right)}^{2}}\]

C)

\[{{\left( \frac{6}{7} \right)}^{3}}\]

D)

\[\frac{243}{464}\]

View Answer
41) At identical temperature and pressure, the rate of diffusion of hydrogen gas is \[3\sqrt{3}\] times that of a hydrocarbon having molecular formula \[{{C}_{n}}{{H}_{2n-2}}.\]What is the value of n?

A)

1

B)

4

C)

3

D)

8

View Answer
42) Dipole moment of is 1.5 D. The dipole moment of is

A)

1.5 D

B)

2.25 D

C)

1 D

D)

3 D

View Answer
43) Which of the following thermodynamic relation is correct?

A)

\[dG=Vdp-SdT\]

B)

\[dE=pdV+TdS\]

C)

\[dH=-Vdp+TdS\]

D)

\[dG=Vdp+SdT\]

View Answer
44) In the hydrolysis of an organic chloride in presence of large excess of water, \[RCl+{{H}_{2}}O\to ROH+HCl\]

A)

molecularity and order of reaction both are 2

B)

molecularity is 2 but order of reaction is 1

C)

molecularity is 1 but order of reaction is 2

D)

molecularity is 1 and order of reaction is also 1

View Answer
45) The potential of a hydrogen electrode at pH=10 is

A)

0.59 V

B)

0.00 V

C)

-0.59 V

D)

-0.059

View Answer
46) Calculate \[{{K}_{c}}\]for the reversible process given below if \[{{K}_{p}}=167\]and \[T=800{{\,}^{o}}C\] \[CaC{{O}_{3}}(s)CaO(s)+C{{O}_{2}}(g)\]

A)

1.95

B)

1.85

C)

1.89

D)

1.60

View Answer
47) For a reversible chemical reaction where the forward process is exothermic, which of the following statements is correct?

A)

The backward reaction has higher activation energy than the forward reaction

B)

The backward and the forward processes have the same activation energy

C)

The backward reaction has lower activation energy

D)

No activation energy is required at all since energy is liberated in the process

View Answer
48) In Sommerfelds modification of Bohrs theory, the trajectory of an electron in a hydrogen atom is

A)

a perfect ellipse

B)

a closed ellipse-like curve, narrower at the perihelion position and flatter at the aphelion position

C)

a closed loop on spherical surface

D)

a rosette

View Answer
49) In the reaction of sodium thiosulphate with \[{{I}_{2}}\]in aqueous medium, the equivalent weight of sodium thiosulphate is equal to

A)

molar mass of sodium thiosulphate

B)

the average of molar masses of \[\text{N}{{\text{a}}_{\text{2}}}{{\text{S}}_{\text{2}}}{{\text{O}}_{\text{3}}}\] and 12

C)

half the molar mass of sodium thiosulphate

D)

molar mass of sodium thiosulphate \[\times \,\text{2}\]

View Answer
50) 0.1 M HCl and \[\text{0}\text{.1 M }{{\text{H}}_{\text{2}}}\text{SO4}\]each of volume 2 mL are mixed and the volume is made upto 6 mL by adding 2 mL of 0.01 N NaCI solution. The pH of the resulting mixture is

A)

1.17

B)

1.0

C)

0.3

D)

log 2-log 3

View Answer
51) The molarity of a NaOH solution by dissolving 4 g of it in 250 mL water is

A)

0.4 M

B)

0.8 M

C)

0.2 M

D)

0.1 M

View Answer
52) If a species has 16 protons, 18 electrons and 16 neutrons, find the species and its charge.

A)

\[{{S}^{-1}}\]

B)

\[S{{i}^{2-}}\]

C)

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

D)

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

View Answer
53) In Periodic Table, the basic character of oxides

A)

increases from left to right and decreases from top to bottom

B)

decreases from right to left and increases from top to bottom

C)

decreases from left to right and increases from top to bottom

D)

decreases from left to right and increases from bottom to top

View Answer
54) Which one of the following contains P-O-P bond?

A)

Hypophosphorus acid

B)

Phosphorus acid

C)

Pyrophosphoric acid

D)

Orthophosphoric acid

View Answer
55) Which of the following orders regarding ionisation energy is correct?

A)

N > O > F

B)

N < O < F

C)

N > O < F

D)

N < O > F

View Answer
56) Which of the following statements regarding ozone is not correct?

A)

The ozone molecule is angular in shape

B)

The ozone is a resonance hybrid of two structures

C)

The oxygen-oxygen bond length in ozone is identical with that of molecular oxygen

D)

Ozone is used as germicide and disinfectant for the purification of air

View Answer
57) \[{{\text{P}}_{\text{4}}}{{\text{O}}_{\text{10}}}\]is the anhydride of

A)

\[{{H}_{3}}P{{O}_{2}}\]

B)

\[{{H}_{3}}P{{O}_{3}}\]

C)

\[{{H}_{3}}P{{O}_{4}}\]

D)

\[{{H}_{4}}{{P}_{2}}{{O}_{7}}\]

View Answer
58) Which of the following metals has the largest abundance in the earths crust?

A)

Aluminium

B)

Calcium

C)

Magnesium

D)

Sodium

View Answer
59) Which of the following orbitals will have zero probability of finding the electron in the yz plane?

A)

\[{{p}_{x}}\]

B)

\[{{p}_{y}}\]

C)

\[{{p}_{z}}\]

D)

\[{{d}_{yz}}\]

View Answer
60) What type of orbital hybridisation is considered on P in \[PC{{l}_{5}}\]?

A)

\[s{{p}^{3}}d\]

B)

\[ds{{p}^{3}}\]

C)

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

D)

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

View Answer
61) For which element the inertness of the electron pair will not be observed?

A)

Sn

B)

Fe

C)

Pb

D)

In

View Answer
62) In which of the following molecules is hydrogen bridge bond present?

A)

Water

B)

Inorganic benzene

C)

Diborane

D)

Methanol

View Answer
63) When a manganous salt is fused with a mixture of \[KN{{O}_{3}}\]and solid \[\text{NaOH,}\] the oxidation number of Mn changes from +2 to

A)

+4

B)

+3

C)

+6

D)

+7

View Answer
64) In haemoglobin, the metal ion present is

A)

\[F{{e}^{2+}}\]

B)

\[Z{{n}^{2+}}\]

C)

\[C{{o}^{2+}}\]

D)

\[C{{u}^{2+}}\]

View Answer
65) Ortho-and para-hydrogens have

A)

identical   chemical   properties   but different physical properties

B)

identical   physical   and   chemical properties

C)

identical physical properties but different chemical properties

D)

different   physical   and   chemical properties

View Answer
66) The bond order of CO molecule is

A)

2

B)

2.5

C)

3

D)

3.5

View Answer
67) Vitamin C is

A)

citric acid

B)

lactic acid

C)

paracetamol

D)

ascorbic acid

View Answer
68) On mixing alkane with chlorine and irradiating with ultraviolet light, it forms only one monochloroalkane. The alkane is

A)

propane

B)

pentane

C)

150-pentane

D)

neo-pentane

View Answer
69) Keto-enol tautomerism is not observed in

A)

\[{{C}_{6}}{{H}_{5}}CO{{C}_{6}}{{H}_{5}}\]

B)

\[{{C}_{6}}{{H}_{5}}COCH=C{{H}_{2}}\]

C)

\[~{{C}_{6}}{{H}_{5}}COC{{H}_{2}}COC{{H}_{3}}\]

D)

\[~C{{H}_{3}}COC{{H}_{2}}COC{{H}_{3}}\]

View Answer
70) What is obtained when nitrobenzene is treated sequentially with (i) \[N{{H}_{4}}Cl/Zn\]dust and (ii) \[{{H}_{2}}S{{O}_{4}}/N{{a}_{2}}C{{r}_{2}}{{O}_{7}}\]

A)

meta-chloronitrobenzene

B)

para-chloronitrobenzene

C)

Nitrosobenzene

D)

Benzene

View Answer
71) Boiling water reacts with \[{{C}_{6}}{{H}_{5}}N_{2}^{+}C{{l}^{-}}\]to give

A)

aniline

B)

benzylamine

C)

phenol

D)

benzaldehyde

View Answer
72) Aspirin is

A)

acetyl salicylic acid

B)

benzoyl salicylic acid

C)

chloro benzoic acid

D)

anthranilic acid

View Answer
73) \[X\xrightarrow{PC{{l}_{5}}}{{C}_{2}}{{H}_{5}}Cl,Y\xrightarrow{PC{{l}_{5}}}C{{H}_{3}}COCl\] X and Y are

A)

\[{{({{C}_{2}}{{H}_{5}})}_{2}}O\]and \[C{{H}_{3}}C{{O}_{2}}H\]

B)

\[{{C}_{2}}{{H}_{5}}I\]and \[{{C}_{2}}{{H}_{5}}CHO\]

C)

\[{{C}_{2}}{{H}_{5}}OH\]and \[C{{H}_{3}}C{{O}_{2}}H\]

D)

\[{{C}_{2}}{{H}_{5}}OH\]and \[{{C}_{2}}{{H}_{5}}CHO\]

View Answer
74) Which of the following compounds shows evidence of the strongest hydrogen bonding?

A)

Propan-1-ol

B)

Propan-2-ol

C)

Propan-1, 2-diol

D)

Propan-1, 2, 3-triol

View Answer
75) When AgCl is treated with KCN,

A)

Ag is precipitated

B)

a complex ion is formed

C)

double decomposition takes place

D)

no reaction takes place

View Answer
76) Which one of the following produced when acetone is saturated with HCl gas?

A)

Acetone alcohol

B)

Phorone

C)

Mesityl oxide

D)

Benzene

View Answer
77) Which one of the following is an example of co-polymer?

A)

Buna-S

B)

Teflon

C)

PVC

D)

Polypropylene

View Answer
78) Identify [A] and [B] in the following\[_{89}^{227}Ac\xrightarrow{-\beta }[A]\xrightarrow{-\alpha }[B]\xrightarrow{-\alpha }Rn\]

A)

Po, Rn

B)

Th, Po

C)

Ra, Th

D)

Th, Ra

View Answer
79) A weak acid of dissociation constant \[{{10}^{-5}}\] is being titrated with aqueous \[NaOH\] solution. The pH at the point of one-third neutralisation of the acid will be

A)

\[5+\log 2-\log 3\]

B)

\[5-\log 2\]

C)

\[5-\log 3\]

D)

\[5-\log 6\]

View Answer
80) Radioactivity of a sample (Z = 22) decreases 90% after 10 yr. What will be the half-life of the sample?

A)

5yr

B)

2yr

C)

3yr

D)

10 yr

View Answer
81) How many variable segments are present in the basic structure of antibody molecule?

A)

One

B)

Two

C)

Three

D)

Four

View Answer
82) Which one is diaminodicarboxylic amino add?

A)

Cystine

B)

Lysine

C)

Cysteine

D)

Aspartic acid

View Answer
83) Which one is the cofactor of carbonic anhydrase?

A)

Iron (Fe)

B)

Zinc (Zn)

C)

Copper (Cu)

D)

Magnesium (Mg)

View Answer
84) Vitamin - D is produced in human body in

A)

muscles

B)

nerves

C)

skin

D)

bone marrow

View Answer
85) Bacteriophages kill

A)

fungi

B)

parasites

C)

bacteria

D)

viruses

View Answer
86) What is mitoplast?

A)

Membraneless mitochondria

B)

Another name of mitochondria

C)

Mitochondria without outer membrane

D)

Mitochondria without inner membrane

View Answer
87) Transposons are

A)

house- keeping genes

B)

jumping genes

C)

transporting genes

D)

stationary genes

View Answer
88) Which of the following is not a conjugated protein?

A)

Peptone

B)

Phosphoprotein

C)

Lipoprotein

D)

Chromoprotein

View Answer
89) The outer covering of cartilage is called

A)

peritonium

B)

periosteum

C)

endosteum

D)

perichondrium

View Answer
90) The blood does not clot inside the body because of

A)

oxygenation of blood

B)

movement of blood

C)

heparin in blood

D)

absence of fibrinogen in blood

View Answer
91) Red cell count is carried out by

A)

haemocytometer

B)

haemoglobinometer

C)

sphygmomanometer

D)

electrocardiogram

View Answer
92) Rh factor can produce disease

A)

AIDS

B)

Turners syndrome

C)

Erythroblastosis foetalis

D)

Sickle- cell anaemia

View Answer
93) Name the hormone that stimulates the secretion of gastric juice.

A)

Renin

B)

Enterokinase

C)

Enterogastrone

D)

Gastrin

View Answer
94) Bile salts act as activator of which enzyme?

A)

Pepsinogen

B)

Trypsinogen

C)

Lipase

D)

Pancreatic amylase

View Answer
95) Heparin is produced by

A)

kidney cells

B)

blood cells

C)

bone marrow

D)

liver cells

View Answer
96) Which of the following cells produce HCl?

A)

\[\beta \] - cell

B)

\[\alpha \] - cell

C)

Oxyntic cell

D)

Chief cell

View Answer
97) Which ribs show bucket - handle type of movement?

A)

Rib no. 1-2

B)

Rib no. 3-5

C)

Rib no. 6-10

D)

Rib no. 11-12

View Answer
98) In which of the following subjects, the dead space is highest?

A)

Old man

B)

Old woman

C)

Young man

D)

Young woman

View Answer
99) Which one has the thickest wall?

A)

Right auricle

B)

Right ventricle

C)

Left auricle

D)

Left ventricle

View Answer
100) The cardiac cycle in normal subject is about

A)

0.5 s

B)

0.8 s

C)

1.0s

D)

1.2s

View Answer
101) What is glycosuria?

A)

Low amount of sugar in urine

B)

Low amount of fat in urine

C)

Average amount of carbohydrate in urine

D)

High amount of sugar in urine

View Answer
102) Volume of urine is regulated by

A)

aldosterone

B)

aldosterone and testosterone

C)

ADH

D)

aldosterone and ADH

View Answer
103) Skin is an accessory organ of respiration in

A)

human

B)

frog\

C)

rabbit

D)

lizard

View Answer
104) Name the condition when the concentration of ketone body increases in urine.

A)

Acromegaly

B)

Diabetes mellitus

C)

Diabetes insipidus

D)

Cushings disease

View Answer
105) Hormone responsible for the secretion of milk after parturition is

A)

ICSH

B)

Prolactin

C)

ACTH

D)

LH

View Answer
106) Endemic goitre is a state of

A)

increased thyroid function

B)

normal thyroid function

C)

decreased thyroid function

D)

moderate thyroid function

View Answer
107) Islets of Langerhans are found as

A)

anterior pituitary

B)

kidney cortex

C)

spleen

D)

endocrine pancreas

View Answer
108) Which of the following is the function of adrenalin?

A)

Helps in gastric juice secretion

B)

Increases heart rate and blood pressure

C)

Increases blood calcium

D)

Helps in milk secretion

View Answer
109) Which of the following is not related to the autonomic nervous system?

A)

Peristalsis

B)

Digestion

C)

Excretion

D)

Memory and learning

View Answer
110) Comprehension of spoken and written words take place in the region of

A)

association area

B)

motor area

C)

Wernickes area

D)

Brocas area

View Answer
111) Which one of the following cranial nerves is carrying the nerve fibres originating from the Edinger- Westphal nucleus?

A)

Oculomotor

B)

Trochlear

C)

Abducens

D)

Vagus

View Answer
112) How many laminae are present in the grey matter of spinal cord?

A)

Four

B)

Six

C)

Eight

D)

Ten

View Answer
113) Colour blindness is due to defect in

A)

cones

B)

rods

C)

rods and cones

D)

rhodopsin

View Answer
114) MRI is not allowed in the following conditions except one. Identify the exception.

A)

Presence of pacemaker in the body

B)

Pregnant women

C)

Person suffering from stroke

D)

Presence of metallic plate in the body for treatment of broken bones

View Answer
115) Which of the following diseases is related to cadmium pollution?

A)

Minamata

B)

Pneumoconiosis

C)

Anaemia

D)

Itai- itai

View Answer
116) First genetically modified plant commercially released in India is

A)

golden rice

B)

slow ripening tomato

C)

Bt brinjal

D)

Bt cotton

View Answer
117) Quiescent centre is found in plants at

A)

root tip

B)

cambium

C)

shoot tip

D)

leaf tip

View Answer
118) In a DNA molecule, distance between two bases is

A)

2nm/20 \[Ao\]

B)

0.2nm/2 \[Ao\]

C)

3.4nm/34 \[Ao\]

D)

0.34nm/3.4 \[Ao\]

View Answer
119) Exine of pollen grain is made up of

A)

pectocellulose

B)

lignocellulose

C)

sporopollenin

D)

pollen kit

View Answer
120) When the cell is fully turgid, its

A)

DPD = OP

B)

DPD = zero

C)

WP = TP

D)

OP = zero

View Answer
121) Which one is true for ATP?

A)

ATP is a prosthetic part of an enzyme

B)

ATP is an enzyme

C)

ATP is the organic ions of enzyme

D)

ATP is a coenzyme

View Answer
122) Root cells of wheat has 2n = 42 chromosomes. Which one of the following is the basic chromosome number of wheat?

A)

42

B)

21

C)

7

D)

14

View Answer
123) Purines possess nitrogen at

A)

1, 2, 4 and 6 position

B)

1, 3, 5 and 7 position

C)

1, 3, 7 and 9 position

D)

1, 2, 6 and 8 position

View Answer
124) Thylakoids occur inside

A)

mitochondria

B)

chloroplast

C)

Golgi apparatus

D)

endoplasmic reticulum

View Answer
125) Micropropagation is a technique for production of

A)

true to type plants

B)

haploid plant

C)

somatic hybrids

D)

somaclonal plants

View Answer
126) Test cross is a cross between

A)

hybrid and dominant parent

B)

hybrid and recessive parent

C)

two hybrid parents

D)

two distantly related species

View Answer
127) Mitochondria are semiautonomous as they possess

A)

DNA

B)

DNA and RNA

C)

DNA, RNA and ribosomes

D)

protein

View Answer
128) Chitin is a

A)

polysaccharide

B)

nitrogenous polysaccharide

C)

lipoprotein

D)

protein

View Answer
129) Balbiani rings are the sites of

A)

DNA replication

B)

RNA and protein synthesis

C)

synthesis of lipids

D)

synthesis of polysaccharides

View Answer
130) Which of the cell organelle lacks membrane

A)

Mesosome

B)

Mitochondria

C)

Ribosome

D)

Liposome

View Answer
131) Interfascicular cambium is a

A)

primary meristematic tissue

B)

primordial meristem

C)

type of protoderm

D)

secondary meristematic tissue

View Answer
132) Cotton fibre is basically a type of

A)

trichome

B)

scale

C)

dried seed coat

D)

non glandular hair

View Answer
133) Chloroplast dimorphism is a characteristic feature of

A)

plants with Calvin cycle

B)

\[{{C}_{4}}-\]plants

C)

all plants

D)

only in algae

View Answer
134) In which type of reactions related to plant photosynthesis peroxisomes are involved?

A)

Glycolate cycle

B)

Calvin cycle

C)

Bacterial photosynthesis

D)

Glyoxylate cycle

View Answer
135) The term alpha diversity refers to

A)

genetic diversity

B)

community and ecosystem diversity

C)

species diversity

D)

diversity among the plants

View Answer
136) Percentage composition of fibrin and serin in silk is

A)

50 : 40

B)

80 : 20

C)

30 : 70

D)

40 : 60

View Answer
137) Which one of the following is used as biological insecticide?

A)

Tiger beetle

B)

Caterpillar

C)

Silkmoth

D)

Mazra poka

View Answer
138) Which one of the following diseases is spread by housefly?

A)

Dengue fever

B)

Encephalitis

C)

Filariasis

D)

Typhoid

View Answer
139) Water vascular system is found in

A)

sea-anemone

B)

sea-pen

C)

sea-cucumber

D)

sea-horse

View Answer
140) Nutrient enrichment of a lake will cause

A)

eutrophication

B)

stratification

C)

biomagnification

D)

bioaccumulation

View Answer
141) Lichens are described as indicator of

A)

air pollution

B)

water pollution

C)

soil pollution

D)

agriculture productivity

View Answer
142) Most abundant mineral of animal body is

A)

iron (Fe)

B)

sodium (Na)

C)

potassium (K)

D)

calcium (Ca)

View Answer
143) Retrogressive metamorphosis occurs in

A)

Hemichordata

B)

Cephalochordata

C)

Urochordata

D)

Vertebrata

View Answer
144) Organ of Jacobson helps in

A)

touch

B)

vision

C)

smell

D)

hear

View Answer
145) Cysticercus stage is formed in

A)

Taenia

B)

Plasmodium

C)

Leishmania

D)

Wuchereria

View Answer
146) Which one of the following viruses contains both DNA and RNA?

A)

Cyanophage

B)

Herpes virus

C)

Leuko virus

D)

Polio virus

View Answer
147) The hormone responsible for Fight -and Flight response is

A)

adrenalin

B)

thyroxin

C)

ADH

D)

oxytocin

View Answer
148) Tuberculosis is caused by

A)

Mycobacterium sp.

B)

Aspergiilus sp.

C)

Clostridium sp.

D)

Vibrio sp.

View Answer
149) Which of the following is a catadromous fish?

A)

Hilsa sp.

B)

Mystus sp.

C)

Anguilla sp.

D)

Channa sp.

View Answer
150) Which of the following animal belongs to class?Crustacea?

A)

Cockroach

B)

Cyclops

C)

Grasshopper

D)

Mosquito

View Answer
151) Radula is found in

A)

Pila sp.

B)

Chiton sp.

C)

Lamellidens sp.

D)

Pinctada sp.

View Answer
152) The scientific name of Java man is

A)

Homo habilis

B)

Homo sapiens neandarthalensis

C)

Homo erectus erectus

D)

Australopithecus bisei

View Answer
153) Which phase comes in between the \[{{G}_{1}}\]and \[{{G}_{2}}\] phases of cell cycle?

A)

M - phase

B)

Go - phase

C)

S - phase

D)

Interphase

View Answer
154) How many effective codons are there for the synthesis of twenty amino acids?

A)

64

B)

32

C)

60

D)

61

View Answer
155) Which of the following condition is called monosomic?

A)

2n + 1

B)

2n + 2

C)

n + 1

D)

2n - 1

View Answer
156) Chromosome is made up of

A)

DNA and pectin

B)

RNA and DNA

C)

DNA and histone

D)

only histone

View Answer
157) Cell division cannot be stopped in which phase of the cell cycle?

A)

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

B)

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

C)

S - phase

D)

Prophase

View Answer
158) Which of the following is structural subunit of DNA?

A)

Protein

B)

Carbohydrate

C)

RNA

D)

Nucleotide

View Answer
159) Cell theory is not applicable for

A)

bacteria

B)

fungus

C)

algae

D)

virus

View Answer
160) The difference between systolic and diastolic pressure in human is

A)

120mmHg

B)

80 mm Hg

C)

40 mm Hg

D)

200 mm Hg

View Answer