Solved papers for Manipal Medical Manipal Medical Solved Paper-2000

Manipal Medical Solved Paper-2000 Total Questions - 200

1) Two open organ pipes of length 25 cm and; 25.5 cm produce 0.1 beat/sec. The velocity of sound will be:

A)

255m/s

B)

250 m/s

C)

350 m/s

D)

none of these

View Answer
2) The velocity of photon is proportional to (where v is frequency):

A)

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

B)

\[\frac{1}{\sqrt{v}}\]

C)

\[\sqrt{v}\]

D)

\[v\]

View Answer
3) Which one of the following is different from others?

A)

Amplitude

B)

Frequency

C)

Velocity

D)

Wavelength

View Answer
4) Intensity of an electric field E due to a dipole, depends on distance r as:

A)

\[E\propto \frac{1}{{{r}^{4}}}\]

B)

\[E\propto \frac{1}{{{r}^{3}}}\]

C)

\[E\propto \frac{1}{{{r}^{2}}}\]

D)

\[E\propto \frac{1}{r}\]

View Answer
5) A simple pendulum is vibrating in an evacuated chamber, it will oscillate with:

A)

increasing amplitude

B)

constant amplitude

C)

decreasing amplitude

D)

first [c] then [a]

View Answer
6) The effective acceleration of a body, when thrown upwards with acceleration a will be:

A)

\[\sqrt{a-{{g}^{2}}}\]

B)

\[\sqrt{{{a}^{2}}+{{g}^{2}}}\]

C)

\[(a-g)\]

D)

\[(a+g)\]

View Answer
7) A diver in a swimming pool bends his head before diving, because it:

A)

decreases his moment of inertia

B)

decreases his angular velocity

C)

increases his moment of inertia

D)

increases his linear velocity

View Answer
8) If\[|\overrightarrow{A}\times \overrightarrow{B}|=|\overrightarrow{A}.\overrightarrow{B}|\]then the angle between\[\overrightarrow{A}\]and \[\overrightarrow{B}\]will be:

A)

\[90{}^\circ \]

B)

\[60{}^\circ \]

C)

\[45{}^\circ \]

D)

\[30{}^\circ \]

View Answer
9) The units of Plancks constant are:

A)

\[J\,{{s}^{-2}}\]

B)

\[J\,{{s}^{2}}\]

C)

\[J\,s\]

D)

\[J/s\]

View Answer
10) If a force on a rocket moving with a velocity of 300 m/s is 210 N. Then the rate of combustion of the fuel, will be:

A)

1.7 kg/sec

B)

0.7 kg/sec

C)

2.7 kg/sec

D)

1.5 kg/sec

View Answer
11) At what depth below the surface of the earth, acceleration due to gravity g will be half its value 1600 km above the surface of the earth?

A)

\[4.2\times {{10}^{6}}m\]

B)

\[3.19\times {{10}^{6}}m\]

C)

\[1.59\times {{10}^{6}}m\]

D)

none of these

View Answer
12) A man of weight 75 kg is standing m an elevator which is moving with an acceleration of\[5\text{ }m/{{s}^{2}}\]in upward direction the apparent weight of the man will be:\[(g=10m/{{s}^{2}})\]

A)

1425 N

B)

1375 N

C)

1250 N

D)

1125 N

View Answer
13) A cylinder of 10 kg is rolling in a plane with an initial velocity of 10 m/s. If the coefficient of friction between the surface and cylinder is 0.5 kg then before slipping, it will cover:\[(g=10m/{{s}^{2}})\]

A)

2.5m

B)

5m

C)

7.5m

D)

10m

View Answer
14) The new resistance of wire of\[R\text{ }\Omega ,\]whose radius is reduced half, is:

A)

16R

B)

3R

C)

2R

D)

R

View Answer
15) When a dielectric material is introduced between the plates of a charged condenser, then electric field between the plates:

A)

rem ain constant

B)

decreases

C)

increases

D)

first increases then decreases

View Answer
16) The pitch of a note depends upon its:

A)

wavelength

B)

amplitude

C)

frequency

D)

speed

View Answer
17) A perfectly black body is one where:

A)

absorptive power in infinity

B)

absorption point is 0

C)

emmissive power is 1

D)

absorptive power is 1

View Answer
18) A potential energy of satellite, having mass m and rotating at height of\[6.4\times {{10}^{6}}m\]from the earth surface will be:

A)

\[-0.5\,mg{{R}_{e}}\]

B)

\[-1.5mg{{R}_{e}}\]

C)

\[-0.67mg{{R}_{e}}\]

D)

none of these

View Answer
19) If a freely falling body travels in the last second a distance equal to the distance travelled by it in the first three second, the time of the travel is:

A)

6 sec

B)

5 sec

C)

4 sec

D)

3 sec

View Answer
20) The escape velocity from the surface of the earth\[{{\upsilon }_{es}}\]. The escape velocity from the surface of a planet whose mass arid radius are three times those of earth; will be:

A)

\[1/3{{\upsilon }_{e}}\]

B)

\[9{{\upsilon }_{e}}\]

C)

\[3{{\upsilon }_{e}}\]

D)

\[{{\upsilon }_{e}}\]

View Answer
21) A packet is dropped from a balloon which is going upwards with the velocity 12 m/s, the velocity of the packet after 2 seconds will be:

A)

\[-12\text{ }m/s\]

B)

12 m/s

C)

\[-7.6\text{ }m/s\]

D)

7.6 m/s

View Answer
22) On a planet a freely falling body takes 2 sec when it is dropped from a height of 8 m, the time period of simple pendulum of length 1 m on that planet is:

A)

3.14 sec

B)

16.28 sec

C)

1.57 sec

D)

none of these

View Answer
23) The experiments of Frank and Hertz showed\ that:

A)

an atom has energy states having a continuous distribution

B)

nothing can be send a bond energy states bf atom

C)

at atom has energy states, having discreat values

D)

atom is an indivisible particle

View Answer
24) If a copper ring is moved quickly towards south pole of a powerful stationary bar magnet, then:

A)

current flows through the copper ring

B)

voltage in the magnet increases

C)

current flows in the magnet

D)

copper ring will get magnetized

View Answer
25) Velocity time curve for a body, projected vertically upwards, will be:

A)

straight line

B)

hyperbola

C)

parabola

D)

ellipse

View Answer
26) The ratio of charge to the potential of body:

A)

resistance

B)

inductance

C)

conductance

D)

capacitance

View Answer
27) Taking Rydbergs constant\[{{R}_{H}}=1.097\]\[\times {{10}^{7}}m\] first and second wavelength of Balmer series m hydrogen spectrm, is:

A)

\[2000\overset{o}{\mathop{\text{A}}}\,,3000\overset{o}{\mathop{\text{A}}}\,\]

B)

\[1575\overset{o}{\mathop{\text{A}}}\,,2960\overset{o}{\mathop{\text{A}}}\,\]

C)

\[6529\overset{o}{\mathop{\text{A}}}\,,4280\overset{o}{\mathop{\text{A}}}\,\]

D)

\[6552\overset{o}{\mathop{\text{A}}}\,,4863\overset{o}{\mathop{\text{A}}}\,\]

View Answer
28) If the current through\[3\,\Omega \] resistor is 0.8 A, then potential drop through\[4\,\Omega \] reisistor is:

A)

1.5 V

B)

2.6 V

C)

4.8 V

D)

9.8 V

View Answer
29) A stepup transformer has transformation ratio\[3:2\]. The voltage in the secondary coil, if the voltage m the primary is 30 volt, will be:

A)

300 V

B)

90 V

C)

45 V

D)

23 V

View Answer
30) If three resistors of resistance\[2\Omega ,4\Omega \]and\[5\Omega \] are connected in parallel then the total resistance of the combination will be:

A)

\[\frac{20}{19}\Omega \]

B)

\[\frac{19}{20}\Omega \]

C)

\[\frac{19}{10}\Omega \]

D)

\[\frac{10}{19}\Omega \]

View Answer
31) When a lamp is connected in series with capacitor, then:

A)

lamp will not glow

B)

lamp will brust out

C)

lamp will glow normally

D)

none of these

View Answer
32) The current is flowing in south direction along a power line. The direction of magnetic field above the power line (neglecting earths field) is:

A)

south

B)

east

C)

north

D)

west

View Answer
33) In a junction diode the holes due to:

A)

missing electron

B)

extra neutron

C)

protons

D)

all of these

View Answer
34) What is the respective number of\[\alpha \]and\[\beta -\]particles emitted in the following radioactive decay? \[_{90}{{X}^{200}}{{\xrightarrow[{}]{{}}}_{80}}{{X}^{168}}\]

A)

\[8\alpha ,8\beta \]

B)

\[8\alpha ,6\beta \]

C)

\[6\alpha ,6\beta \]

D)

\[6\alpha ,8\beta \]

View Answer
35) Hygens wave theory of light could not explain:

A)

photoelectric effect

B)

polarization

C)

interference

D)

diffraction

View Answer
36) If the refractive index of material of equilateral prism is\[\sqrt{3}\]then angle of minimum deviation of the prism will be:

A)

\[25{}^\circ \]

B)

\[60{}^\circ \]

C)

\[45{}^\circ \]

D)

\[30{}^\circ \]

View Answer
37) In Bohrs model the atomic radius of the first orbit is\[{{r}_{0}},\]the radius of the third orbit will be:

A)

\[9{{r}_{0}}\]

B)

\[3{{r}_{0}}\]

C)

\[{{r}_{0}}\]

D)

\[\frac{{{r}_{0}}}{3}\]

View Answer
38) A process in which temperature T of the system remains constant though other variable P and V may change, is called:

A)

isochoric process

B)

isothermal process

C)

isobaric process

D)

none of these

View Answer
39) In achromatic combination of lenses is formed by joining:

A)

1 convex lens and 1 plane mirror

B)

1 convex, 1 concave lens

C)

2 convex lenses

D)

2 concave lenses

View Answer
40) Which of me unipolar transistor-

A)

point contact transistor

B)

field effect transistor

C)

p-n-p transistor

D)

none of these

View Answer
41) In a meter bridge, the balancing length from the left end (standard resistance of 1 ohm m the gap) is found to be 20 cm. The value of the unknown resistance will be.

A)

\[0.25\,\Omega \]

B)

\[0.4\,\Omega \]

C)

\[0.5\,\Omega \]

D)

\[0.8\,\Omega \]

View Answer
42) The magnetic flux linked with coil, in web is given by the equation, \[\phi =5{{t}^{2}}+3t+16.\] The induced emf in the coil m the fourth second is:

A)

10 V

B)

30 V

C)

45 V

D)

90 V

View Answer
43) Serious draw back of semiconductor device is:

A)

they cannot be used with high voltage

B)

hey pollute the environment

C)

they are costly

D)

they do not last for long time

View Answer
44) The potential difference between the cathode and the target in a Coolidge tube is 100 kV. The minimum wavelength of the X-ray emitted by the tube is:

A)

\[0.66\overset{o}{\mathop{\text{A}}}\,\]

B)

\[938\overset{o}{\mathop{\text{A}}}\,\]

C)

\[0.246\overset{o}{\mathop{\text{A}}}\,\]

D)

\[0.123\overset{o}{\mathop{\text{A}}}\,\]

View Answer
45) For an isotropic medium\[B,\mu ,H\]and\[M\]are related as (where\[B,{{\mu }_{0}},H\]and M have their usual meaning in the context of magnetic material:

A)

\[(B-M)={{\mu }_{0}}H\]

B)

\[M={{\mu }_{0}}(H+M)\]

C)

\[H={{\mu }_{0}}(H+M)\]

D)

\[B={{\mu }_{0}}(H+M)\]

View Answer
46) A cricket ball is hit at\[45{}^\circ \]to the horizontal with kinetic energy\[K,\]The kinetic energy at the highest point is:

A)

\[K\]

B)

\[K/\sqrt{2}\]

C)

\[K/2\]

D)

0

View Answer
47) The root mean square (rms) speed of oxygen molecules\[{{O}_{2}}\]at a temperature T (degree absolute) is\[\upsilon \]. If the temperature is doubled and oxygen gas dissociates into atomic oxygen. The rms speed:

A)

becomes\[\upsilon /\sqrt{2}\]

B)

remains\[\upsilon \]

C)

becomes\[\sqrt{2}\upsilon \]

D)

becomes\[2\upsilon \]

View Answer
48) Minimum excitation potential of Bohrs orbit in hydrogen atom is.

A)

3.6 V

B)

10.2 V

C)

3.4 V

D)

13.6 V

View Answer
49) A X-ray has a wavelength\[0.01\,\overset{o}{\mathop{\text{A}}}\,\]Its momentum is:

A)

\[6.626\times {{10}^{-22}}kg\,m/s\]

B)

\[3.45\times {{10}^{-25}}kg\,m/s\]

C)

\[3.313\times {{10}^{-22}}kg\,m/s\]

D)

\[2.126\times {{10}^{-23}}kg\text{ }m/s\]

View Answer
50) \[Rn\]decay info\[{{P}_{o}}\]by emitting\[\alpha -\]particles with life of 4 days a sample contains\[6.4\times {{10}^{10}}\]atom of Rn. After 12 days, the number of atoms of\[Rn\] left in the sample will be:

A)

\[0.8\times {{10}^{10}}\]

B)

\[2.1\times {{10}^{10}}\]

C)

\[3.2\times {{10}^{10}}\]

D)

\[0.3\times {{10}^{10}}\]

View Answer
51) The trivalent ion having largest size in larithanide series is:

A)

\[Ti\]

B)

\[Zr\]

C)

\[HF\]

D)

\[La\]

View Answer
52) The aldehyde which react with\[NaOH\]to produce an alcohol and sodium salt is:

A)

\[HCHO\]

B)

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

C)

\[C{{H}_{3}}C{{H}_{2}}CHO\]

D)

\[C{{H}_{3}}C{{H}_{2}}C{{H}_{2}}CHO\]

View Answer
53) The IUPAC name of \[{{(C{{H}_{3}})}_{2}}-CHC{{H}_{2}}-C{{H}_{2}}Br\]is:

A)

1-bromo pentane

B)

2-methyl-4-bromo butane

C)

2-methyl-3-bromo pentane

D)

1-bromo-3-methyl butane

View Answer
54) A system absorb 600 J of heat and work equivalent to 300 J on its surroundings. The change in internal energy is:

A)

300J

B)

400J

C)

500J

D)

600J

View Answer
55) Glucose and bromine water reacts to produce:

A)

glucarric acid

B)

gluconic acid

C)

sorbitol

D)

laevulinic acid

View Answer
56) The number of atoms present in unit cell of a monoatomic substance of simple cubic lattice is:

A)

6

B)

3

C)

2

D)

1

View Answer
57) The ore carnalite is represented by structure:

A)

\[N{{a}_{2}}A{{l}_{2}}{{O}_{3}}\]

B)

\[N{{a}_{3}}Al{{F}_{6}}\]

C)

\[KClMgC{{l}_{2}}6{{H}_{2}}O\]

D)

\[F{{e}_{3}}{{O}_{4}}\]

View Answer
58) Quartz is a crystalline variety of:

A)

silicon carbide

B)

sodium silicate

C)

silica

D)

silicon

View Answer
59) The conjugate acid of\[N{{H}_{3}}\]ion is:

A)

\[N{{H}_{2}}OH\]

B)

\[NH_{4}^{+}\]

C)

\[N{{H}_{3}}\]

D)

\[NH_{2}^{+}\]

View Answer
60) The emf of a galvanic cell, with electrode potential of zinc\[=+0.76V\]and that of copper = 0.34 V, is:

A)

\[0.76V\]

B)

\[1.1V\]

C)

\[-1,1V\]

D)

\[1.6V\]

View Answer
61) The maximum number of electrons present in an orbit\[l=3,\]is:

A)

6

B)

8

C)

10

D)

14

View Answer
62) One mole of water at\[100{}^\circ C\]is converted into steam at\[100{}^\circ C\]at a constant pressure of, 1 atm. The change in entropy is [heat of vaporisation of water at\[100{}^\circ C=540\]cal/gm]:

A)

8.74

B)

18.76

C)

24.06

D)

26.06

View Answer
63) The charge on gamma rays is:

A)

zero

B)

\[+1\]

C)

\[-1\]

D)

\[+2\]

View Answer
64) The equilibrium concentration of the species in the reaction\[A+B=C+D\]are 3,5,10 and 15 mole\[{{L}^{-1}}\]respectively at 300 K the\[\Delta G\]for the reaction is:

A)

13.81

B)

\[-1381.8\]

C)

\[-138.18\]

D)

1391.6

View Answer
65) Acetaldehyde gives orange coloured precipitate on treatment with:

A)

2,4-DNP

B)

\[N{{H}_{2}}OH\]

C)

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

D)

\[NaOH\]

View Answer
66) Oxygen is not evolved on reaction of ozone with:

A)

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

B)

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

C)

\[Hg\]

D)

\[KI\]

View Answer
67) The volume occupied by one mole of water is [ density of water\[=1\text{ }gm/c{{m}^{3}}\]:

A)

\[22400\text{ }c{{m}^{3}}\]

B)

\[6.02\times {{10}^{-23}}c{{m}^{3}}\]

C)

\[3.0\times {{10}^{-23}}c{{m}^{3}}\]

D)

\[11200\text{ }c{{m}^{3}}\]

View Answer
68) Alcoholic beverages contains:

A)

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

B)

\[C{{H}_{3}}C{{H}_{2}}OH\]

C)

\[C{{H}_{3}}C{{H}_{2}}C{{H}_{2}}OH\]

D)

\[{{(C{{H}_{3}})}_{2}}CHOH\]

View Answer
69) Calcium cyanamide on treatment with steam produce:

A)

\[CaC{{O}_{3}}+N{{H}_{3}}\]

B)

\[CaHC{{O}_{3}}+N{{H}_{3}}\]

C)

\[CaO+N{{H}_{3}}\]

D)

\[Ca{{(OH)}_{2}}+N{{H}_{3}}\]

View Answer
70) The laboratory method for the preparation of\[{{H}_{2}}{{O}_{2}}\]is:

A)

by adding\[Pb{{O}_{2}}\]into\[KMn{{O}_{4}}\]solution

B)

by adding\[N{{a}_{2}}O\]to cold water

C)

by adding\[Mn{{O}_{2}}\]to dil \[{{H}_{2}}S{{O}_{4}}\]

D)

by passing\[C{{O}_{2}}\]into\[Ba{{O}_{2}}\]solution

View Answer
71) The rate of reaction depends upon:

A)

concentration of reactants

B)

pressure

C)

volume

D)

force

View Answer
72) Among the following the weakest one is:

A)

metallic bond

B)

ionic bond

C)

van der Waals force

D)

covalent bond

View Answer
73) The hybridisation in\[B{{F}_{3}}\]molecule is:

A)

\[sp\]

B)

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

C)

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

D)

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

View Answer
74) The molality of 90%\[{{H}_{2}}S{{O}_{4}}\]solution is [density\[=1.8\text{ }g\text{ }ml\]]:

A)

1.8

B)

48.4

C)

91.8

D)

94.6

View Answer
75) The volume of oxygen liberated from 0.68 gm of\[{{H}_{2}}{{O}_{2}}\]is:

A)

\[112\text{ }ml\]

B)

\[224\text{ }ml\]

C)

\[56\,ml\]

D)

\[336\text{ }ml\]

View Answer
76) \[{{C}_{2}}{{H}_{5}}I\]and\[A{{g}_{2}}O\]reacts to produce:

A)

\[{{C}_{2}}{{H}_{6}}\]

B)

\[{{C}_{2}}{{H}_{5}}-{{C}_{2}}{{H}_{5}}\]

C)

\[{{C}_{2}}{{H}_{5}}-O-{{C}_{2}}{{H}_{5}}\]

D)

\[{{C}_{2}}{{H}_{5}}-C{{H}_{3}}\]

View Answer
77) \[Mg\]burns in CO to produce:

A)

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

B)

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

C)

\[MgO+CO\]

D)

\[MgO+C\]

View Answer
78) The mass of a photon with a wavelength equal to\[1.54\times {{10}^{-8}}cm\]is:

A)

\[0.8268\times {{10}^{-34}}kg\]

B)

\[1.2876\times {{10}^{-33}}kg\]

C)

\[1.4285\times {{10}^{-32}}kg\]

D)

\[1.8884\times {{10}^{-32}}kg\]

View Answer
79) An organic compound on analysis produce \[C=40%,\] \[H=13.33\] and \[N=46.67%.\] The empirical formula of this compound is

A)

\[C{{H}_{5}}N\]

B)

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

C)

\[{{C}_{2}}{{H}_{5}}N\]

D)

\[{{C}_{2}}{{H}_{4}}N\]

View Answer
80) The most electronegative halogen is:

A)

chlorine

B)

bromine

C)

fluorine

D)

iodine

View Answer
81) The planar structure is represented by:

A)

methane

B)

acetylene

C)

isobutene

D)

benzene

View Answer
82) \[Ca{{(OH)}_{2}}+{{H}_{3}}P{{O}_{4}}\xrightarrow[{}]{{}}CaHP{{O}_{4}}+2{{H}_{2}}O\] the equivalent weight of\[{{H}_{3}}P{{O}_{4}}\]in the above reaction is:

A)

21

B)

27

C)

38

D)

49

View Answer
83) The microcosmic salt is:

A)

\[Na(N{{H}_{4}}){{H}_{2}}O\]

B)

\[K(N{{H}_{4}})HP{{O}_{3}}2{{H}_{2}}O\]

C)

\[Na(N{{H}_{4}})HP{{O}_{4}}2{{H}_{2}}O\]

D)

\[Na(N{{H}_{3}})HP{{O}_{4}}4{{H}_{2}}O\]

View Answer
84) Codon is present in:

A)

\[t-RNA\]

B)

\[m-RNA\]

C)

\[r-RNA\]

D)

all the above

View Answer
85) The bond order in\[CO_{3}^{2-}\]ion between

A)

zero

B)

0.88

C)

1.33

D)

2

View Answer
86) At\[25{}^\circ C\]the specific conductivity of a normal solution of\[KCl\]is 0.002765 mho. The resistance of cell is 400 ohms. The cell constant is:

A)

0.815

B)

1.016

C)

1.106

D)

2.016

View Answer
87) Carboxylic acid undergoes ionization due to:

A)

hydrogen bonding

B)

absence of\[\alpha -\]hydrogen

C)

high reactivity of\[\alpha -\]hydrogen

D)

resonance stabilisation of carboxylate ions.

View Answer
88) \[{{C}_{6}}{{H}_{5}}N{{H}_{2}}\xrightarrow[{}]{NaN{{O}_{2}}HCl}X\xrightarrow[{}]{C{{u}_{2}}{{(CN)}_{2}}}\] \[Y\xrightarrow[{}]{{{H}_{2}}O/{{H}^{+}}}Z\] Z is identified as:

A)

\[{{C}_{6}}{{H}_{5}}-NH-C{{H}_{3}}\]

B)

\[{{C}_{6}}{{H}_{5}}-COOH\]

C)

\[{{C}_{6}}{{H}_{5}}-C{{H}_{2}}-N{{H}_{2}}\]

D)

\[{{C}_{6}}{{H}_{5}}-C{{H}_{2}}-COOH\]

View Answer
89) The nitration of a compound is due to the:

A)

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

B)

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

C)

\[NO\]

D)

\[{{N}^{+}}{{O}_{2}}\]

View Answer
90) The reaction of fat and sodium hydroxide is known as:

A)

dehydration

B)

hydrogenation

C)

saponification

D)

esterification

View Answer
91) The molecular weight of a gas is 45. Its density at STP is:

A)

22.4

B)

11.2

C)

5.7

D)

2.0

View Answer
92) Accodring to Arrhenius hypothesis, rate of a reaction increases with:

A)

rise in temperature

B)

decrease in temperature

C)

rise in pressure

D)

decrease in pressure

View Answer
93) Which destroy antigens?

A)

insulin

B)

antibodies

C)

chromoprotein

D)

phosphoprotein

View Answer
94) For a weak acid, the incorrect statement is:

A)

its dissociation constant is low

B)

its\[_{p}{{K}_{a}}\]is very low

C)

it is partially dissociated

D)

solution of its sodium salt is alkaline in water

View Answer
95) The weight of a residue obtained by heating 2.76 g of silver carbonate is:

A)

2.76 g

B)

2.98 g

C)

2.16 g

D)

2.44 g

View Answer
96) The transition metal used as a catalyst is:

A)

nickel

B)

platinum

C)

cobalt

D)

all the above

View Answer
97) The number of moles of oxygen present in one litre of air under standard conditions (it contains 21% oxygen) is:

A)

0.246 mole

B)

0.07438 mole

C)

2.0078 mole

D)

0.0093 mole

View Answer
98) Water gas is a mixture of:

A)

\[CO+{{N}_{2}}+{{H}_{2}}\]

B)

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

C)

\[CO+{{H}_{2}}\]

D)

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

View Answer
99) \[BaS{{O}_{4}}\]and carbon on heating reacts to produce:

A)

\[Ba+S{{O}_{2}}+C{{O}_{2}}\]

B)

\[BaS+CO\]

C)

\[BaS+{{O}_{2}}+S{{O}_{2}}\]

D)

\[BaC{{O}_{3}}+S+{{O}_{2}}\]

View Answer
100) The enzyme present in saliva is:

A)

lipase

B)

pepsin

C)

ptyalin

D)

proteinase

View Answer
101) The study related to the structure and function of a cell is called as:

A)

physiology

B)

cytology

C)

histology

D)

cellology

View Answer
102) The longest phase of meiosis\[I\]is:

A)

metaphase\[I\]

B)

prophase\[I\]

C)

anaphase\[I\]

D)

telophase\[I\]

View Answer
103) Fluid mosaic model was given by:

A)

Knoll and Ruska

B)

Singer and Ruska

C)

Singer and Nicolson

D)

Bateson and Punnet

View Answer
104) Colchicine prevents the mitosis of cell at:

A)

prophase stage

B)

anaphase stage

C)

telophase stage

D)

metaphase stage

View Answer
105) Phylogenetic system of classification was proposed by:

A)

Linneaus

B)

Bentham

C)

Hutchinson

D)

Engler

View Answer
106) The first acceptor of\[C{{O}_{2}}\]in\[{{C}_{4}}\]plant is:

A)

pyruvic acid

B)

phosphoenol pyruvic acid

C)

acetic acid

D)

oxaloacetic acid

View Answer
107) The term mitochondria was given by:

A)

Benda

B)

Altmann

C)

Palade

D)

de Duve

View Answer
108) Auxenometer is used to measure:

A)

length

B)

width

C)

depth

D)

growth

View Answer
109) The term protoplasm was coined by:

A)

Virchov

B)

Purkinje

C)

DuJardin

D)

Kolliker

View Answer
110) In Ulothrix meiosis occurs in:

A)

gamete

B)

zygospore

C)

zoospore

D)

thallus

View Answer
111) Fern gametophyte bears:

A)

archegonia

B)

antheridia

C)

sporangia

D)

both a and b

View Answer
112) Alexender Flamming in 1929 discovered:

A)

penicillin

B)

streptomycin

C)

tetracyclin

D)

chloromycitin

View Answer
113) Lichens are:

A)

sporophyte

B)

parasite

C)

eymbionts

D)

predator

View Answer
114) Parachute mechanism of seed dispersal is seen in:

A)

Poppy

B)

Calotorpis

C)

Plumbago

D)

Lotus

View Answer
115) Lomentum is a kind of:

A)

inflorescence

B)

plant

C)

fruit

D)

insect

View Answer
116) Which of the following is considered as a recessive character of Mendel?

A)

Round seed

B)

Wrinkled seed

C)

Axial flower

D)

Green pod

View Answer
117) In which of the following parthenocarpy makes no sense:

A)

Banana

B)

Orange

C)

Lemon

D)

Pomegranate

View Answer
118) Manmade allopolyploid cereal crop is:

A)

Raphano brassica

B)

Triticale

C)

Pomato

D)

none of the above

View Answer
119) Cellular respiration occurs in:

A)

chloroplast

B)

golgibodies

C)

mitochondria

D)

nucleus

View Answer
120) Enzymes are functional at:

A)

\[10-15{}^\circ C\]

B)

\[15-25{}^\circ C\]

C)

\[25-30{}^\circ C\]

D)

\[30-50{}^\circ C\]

View Answer
121) Multiplication of DNA is called:

A)

translation

B)

replication

C)

duplication

D)

transcription

View Answer
122) The pigment sensitive for red and far red light is:

A)

chlorophyll

B)

phytochrome

C)

cytochrome

D)

carotene

View Answer
123) Decomposers are:

A)

autotrophs

B)

heterotrophs

C)

organotrophs

D)

autoheterotrophs

View Answer
124) Acid ram is due to the pollution by:

A)

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

B)

\[S{{O}_{2}}\]and\[N{{O}_{2}}\]

C)

dust particles

D)

automobiles

View Answer
125) Ovule with funiculus lying close to micropyle is known as:

A)

anatropous

B)

campylotropous

C)

atropous

D)

cytokinin

View Answer
126) Hormone preventing seed dormancy is:

A)

Auxin

B)

Gibberellin

C)

Ethylene

D)

Cytokinin

View Answer
127) In CAM plants stomata are:

A)

closed to night and open during the day

B)

closed during the day & open at night

C)

never closes

D)

never opens

View Answer
128) Which of the following is biodegradable pollutant?

A)

Sewage

B)

Plastic

C)

Polythene

D)

Asbestos

View Answer
129) In dicot stem secondary growth is due to the activity of:

A)

apical meristem

B)

lateral meristem

C)

cork

D)

bark

View Answer
130) The real force responsible for the movement of water from cell to cell is:

A)

OP

B)

TP

C)

DPD

D)

BP

View Answer
131) The inflorescence found in Ficus is known as:

A)

cyathium

B)

catkin

C)

syconus

D)

hypanthodium

View Answer
132) In Opuntia the spines are modification of:

A)

leaf

B)

branch

C)

epidermis

D)

flower

View Answer
133) Witches broom disease is caused by:

A)

Pungus

B)

Mycoplasma

C)

Bacteria

D)

mineral

View Answer
134) Antiviral substance is:

A)

antigen

B)

antibody

C)

interferon

D)

interon

View Answer
135) Which of the following is symbiotic bacteria?

A)

Rhizobhim

B)

Azotobactor

C)

Clostridium

D)

Streptomyces

View Answer
136) The thallus of Volvox is called:

A)

trichome

B)

coenobium

C)

coenocyte

D)

parenchymatous

View Answer
137) Resin duct of gymnospermous stem is an example of:

A)

lysigenous cavity

B)

lysogenous cavity

C)

shizogenous cavity

D)

shizolysigenous cavity

View Answer
138) During food chain the maximum energy is stored in:

A)

producers

B)

decomposers

C)

herbivores

D)

carnivores

View Answer
139) Insectivorous plants usually survive in :

A)

water rich soil

B)

\[{{N}_{2}}\]deficient soil

C)

\[{{N}_{2}}\]rich soil

D)

sugar deficient medium

View Answer
140) Spore of Funaria on germination give rise to:

A)

protonema

B)

embryo

C)

antheridia

D)

archegonia

View Answer
141) The function of a vessel is:

A)

conduction of food

B)

conduction of water and minerals

C)

conduction of hormones

D)

all the above

View Answer
142) In the phosphorus cycle, weathering makes phosphate available first to:

A)

decomposers

B)

consumers

C)

producers

D)

all the above

View Answer
143) Periderm includes:

A)

cork, cork cambium

B)

secondary cortex

C)

cork

D)

cork, cork cambium and secondary cortex

View Answer
144) In a food chain, the total amount of living material is depicted by:

A)

pyramid of biomass

B)

pyramid of energy

C)

pyramid of number

D)

trophic levels

View Answer
145) In the process of photosynthesis water molecule breaks in:

A)

red drop

B)

photolysis

C)

phosphorylation

D)

carbon assimilation

View Answer
146) Syngamy is the process in which:

A)

male gamete fuses with female gamete

B)

pollen tube enters into the ovule through micropyle

C)

pollen tube enter into the ovule through chalaza

D)

vegetative cell and tube cell fuse

View Answer
147) The\[1:2:1\]ratio with the pink flower in the\[{{F}_{2}}\] generation indicate the phenomenon of:

A)

dominance

B)

codominance

C)

incomplete dominance

D)

segregation

View Answer
148) The chemical produced by the host plant to protect themselves against fungal infection is:

A)

toxin

B)

phytoalexin

C)

phytotoxin

D)

hormone

View Answer
149) The phenomenon ontogeny repeats phylogeny is explained by:

A)

natural selection

B)

inheritance theory

C)

mutation theory

D)

recapitulation theory

View Answer
150) Nitrates are converted to nitrogen by:

A)

iiitrogen fixing bacteria

B)

ammonification bacteria

C)

denitrifying bacteria

D)

nitrifying bacteria

View Answer
151) The continuous excretion of watery substance from stump of a well watered pot plant after cutting off the shoot slightly above the base is due to:

A)

root pressure

B)

guttation

C)

transpiration

D)

imbibition

View Answer
152) The organelle which bear anthocyanins is:

A)

cholroplast

B)

chromoplast

C)

vacuole

D)

itioplast

View Answer
153) Which of the following hormone is gaseous in nature?

A)

ethylene

B)

auxin

C)

gibberellin

D)

cytokinin

View Answer
154) A nucleoside is:

A)

sugar + base

B)

sugar + phosphate

C)

base + phosphate

D)

sugar + base + phosphate

View Answer
155) A lubricant, mucin in saliva is made up of:

A)

glycoprotein

B)

polysaccharides

C)

phospholipids

D)

myosin

View Answer
156) At which phase of meiosis, the two cells, each with separated sister chromatids move towards opposite poles:

A)

metaphase I

B)

metaphase II

C)

anaphase I

D)

anaphase II

View Answer
157) A metazoa without tissue organisation is called:

A)

parazoa

B)

protozoa

C)

eumetazoa

D)

dermatozoa

View Answer
158) The nucleus is separated from surrounding cytoplasm by a nuclear membrane, which is:

A)

single layered with pores

B)

single layered without pores

C)

double layered with pores

D)

double layered without pores

View Answer
159) During conjugation in Pammaecium:

A)

out of the four microhuclei formed degenerate

B)

out of six macronuclei formed, four degenerate

C)

zygote nucleus undergoes eight successive division in each conjugant

D)

out of 16 nuclei only 4 degenerate

View Answer
160) Which of the following pair is correct:

A)

protozoa - Hydra

B)

arthropoda - Crustacea-cockroach

C)

mollusca - Cephalopoda Octopus

D)

Annelide-Polychaeta-leech

View Answer
161) Ecosystem consists of:

A)

producers

B)

consumers

C)

decomposers

D)

all the above

View Answer
162) The correct sequence of food chain is:

A)

grass-insect-bird-snake

B)

grass-bird-insect-snake

C)

snake-bird-insect-grass

D)

grass-snake-bird-insect

View Answer
163) The terminating codon are:

A)

UAA

B)

UAG

C)

UGA

D)

all the above

View Answer
164) Tocopherol stands for:

A)

vit. K

B)

vit. A

C)

vit. E

D)

vit. C

View Answer
165) The outer membranee of lung is called:

A)

pericardium

B)

peritonium

C)

pleural membrane

D)

perichondrium

View Answer
166) Blood group O has:

A)

no antibodies

B)

no antigens

C)

A or B antibodies

D)

A or B antigens

View Answer
167) Darwins finches represents:

A)

morphological variation

B)

geographical isolation

C)

climatic variation

D)

reproductive isolation

View Answer
168) DPT vaccine is given for:

A)

tetanus, polio, plague

B)

diphtheria, whooping cough and leprosy

C)

diphtheria, pneumonia, tetanus

D)

diphtheria, whooping cough, tetanus

View Answer
169) Abiogenetic theory of origin states:

A)

spontaneous generation

B)

organic evolution due to chemical reaction

C)

origin of life due to pre-existing organisms

D)

origin of life from blue green algae

View Answer
170) What is the scientific name of pinworm of man?

A)

Trichmella spiralis

B)

Dracuncuhis medinensis

C)

Trichuris irichuria

D)

Enterobius vermiciuaris

View Answer
171) Which of the following is enterocoelomate invertebrate?

A)

Echinodermata

B)

Arthropoda

C)

Annelida

D)

Mollusca

View Answer
172) The egg of a frog is:

A)

centrolecithal

B)

macrolecithal

C)

microlecithal

D)

mesolecithal

View Answer
173) Sub class Prototheria is related with egg laying mammal such as:

A)

Kangaroo

B)

Echidna

C)

Primate

D)

none

View Answer
174) Regeneration of tail in lizards is an example of:

A)

epimorphosis

B)

morpholaxis

C)

heteromrophosis

D)

parthenogenesis

View Answer
175) Territoriality occurs as a result of:

A)

predation

B)

parasitism

C)

symbiotism

D)

competition

View Answer
176) Which of the following metal is a water pollutant and causes sterility in human being?

A)

\[As\]

B)

\[Mn\]

C)

\[Mg\]

D)

\[Hg\]

View Answer
177) Snake has:

A)

movable eyelids

B)

immovable eyelids

C)

no eyelids

D)

eyelids in pouches

View Answer
178) Cockroach   and   earthworm   have common type of:

A)

heart

B)

nerve cord

C)

nephridia

D)

spermathecae

View Answer
179) Which of the following cell type is capable of giving rise to other cell type in sponges?

A)

Archaeocytes

B)

Collenocytes

C)

Therocytes

D)

Pinacocytes

View Answer
180) Which of the following is characteristic of fishes?

A)

Tail and venous heart

B)

Venous heart and gills

C)

Gills and tail

D)

Scales and gills

View Answer
181) The main function of Henles loop is:

A)

conservation of water

B)

filtration of blood

C)

passage of urine

D)

formation of urine

View Answer
182) Transmission of nerve impulse, across the synapse is accomplished by:

A)

release of ions

B)

release of neurotransmitters

C)

movement of water

D)

movement of\[N{{a}^{+}}\]and\[{{K}^{+}}\]

View Answer
183) Pacemaker is:

A)

AV node

B)

SA node

C)

AS node

D)

SV node

View Answer
184) A sesamoid bone is:

A)

palatine

B)

pterygoid

C)

patella

D)

presphenoid

View Answer
185) Peyers patches produce:

A)

trypsin

B)

mucous

C)

lymphocyte

D)

leucocyte

View Answer
186) The purely motor cranial nerve is:

A)

facial

B)

vagus

C)

trigerminal

D)

spinal accessory

View Answer
187) The type of joint between humerus and radius bone is called:

A)

gliding joint

B)

shaddle joint

C)

pivot joint

D)

hinge joint

View Answer
188) Tendon or ligaments are:

A)

connective tissue

B)

vascular tissue

C)

epithelial tissue

D)

skeletal tissues

View Answer
189) Maximum expiratory volume is:

A)

100 ml

B)

1000 ml

C)

1500 ml

D)

3000 ml

View Answer
190) The function and unit of nervous system is:

A)

neuron

B)

axon

C)

dendrite

D)

cyton

View Answer
191) Ovulation takes place in a month during:

A)

11-14 days

B)

14-16 days

C)

15-28 days

D)

21-26 days

View Answer
192) After 14 years of age among men, the gland that disappears is:

A)

pineal

B)

thyroid

C)

para thyroid

D)

thymus

View Answer
193) A cross between donkey and horse is a:

A)

poly hybrid cross

B)

monohybrid cross

C)

dihybrid cross

D)

receprocal cross

View Answer
194) Common feature between house fly and honey bee is:

A)

head

B)

mouthparts

C)

abdomen

D)

three pairs of jointed legs

View Answer
195) ELISA test is done for the diagnosis of:

A)

AIDS

B)

HIV

C)

hepatitis

D)

malaria

View Answer
196) Fossils of Austral opithecus were first found in:

A)

America

B)

Australia

C)

S. Africa

D)

E. Africa

View Answer
197) Cholera, leprosy and diphtheria are:

A)

bacterial diseases

B)

viral diseases

C)

fungal diseases

D)

functional diseases

View Answer
198) Which of the following is common in Annelida and Arthropoda?

A)

basal nerve cord

B)

dorsal nerve cord

C)

ventral nerve cord

D)

anterior nerve cord

View Answer
199) Hydra captures the victim by injectinig the chemical:

A)

kaliotoxin

B)

hypnotoxin

C)

toxoplasmin

D)

sarafotoxin

View Answer
200) The hormone that regulates the calcium level of blood is:

A)

parathormone

B)

estrogen

C)

insulin

D)

thyroxine

View Answer

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