Solved papers for Manipal Medical Manipal Medical Solved Paper-2001

Manipal Medical Solved Paper-2001 Total Questions - 200

1) In which of the transistor amplifier the voltage gain is highest?

A)

Common collector

B)

Common base

C)

Common emitter

D)

Same for all type

View Answer
2) On disintegration of one atom of U-235 the amount of energy obtained is 200 MeV then the power obtained in a reactor is 1000 kW. Then the number of atoms disintegrated per second are:

A)

\[3.125\times {{10}^{16}}\]

B)

\[3.125\times {{10}^{8}}\]

C)

\[3.125\times {{10}^{30}}\]

D)

\[3.125\times {{10}^{25}}\]

View Answer
3) A tin nucleus has charge + 50 eV. If the proton is at\[{{10}^{-12}}m\]from the nucleus. Then the potential at this position will be (charge on protons\[=1.6\times {{10}^{-19}}C\]):

A)

\[7.2\times {{10}^{8}}V\]

B)

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

C)

\[14.4\times {{10}^{4}}V\]

D)

\[7.2\times {{10}^{4}}V\]

View Answer
4) A bar magent has a magnetic moment equal to\[5\times {{10}^{-5}}\Omega m\]. It is suspended in a magnetic field, which has a magnetic induction\[B=8\pi \times {{10}^{-4}}\]tesla. Then the magnet .vibrates with period of vibration equal to 15 sec. Then the moment of inertia of magnet will be:

A)

\[7.16\times {{10}^{-7}}kg\text{ }{{m}^{2}}\]

B)

\[14.32\times {{10}^{7}}kg\text{ }{{m}^{2}}\]

C)

\[3.58\times {{10}^{-7}}kg\text{ }{{m}^{2}}\]

D)

none of these

View Answer
5) The coefficient of mutual inductance when magnetic flux changes by\[5\times {{10}^{-2}}\] weber and changes in current is 0.01 A, will be:

A)

10H

B)

5H

C)

2.5H

D)

7.5H

View Answer
6) In an experiment, n small drops of same size are charged to V volts each, if they form a single large drop, then it potential is:

A)

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

B)

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

C)

\[\sqrt{Vn}\]

D)

\[\frac{V}{n}\]

View Answer
7) Heat produced in the coil is directly proportional to:

A)

temperature

B)

current

C)

resistance

D)

all of these

View Answer
8) The refractive index of water and glass with respect to air is 1.3 and 1.5 respectively then the refractive index of glass with respect to water will be:

A)

\[\frac{2.6}{1.5}\]

B)

\[\frac{1.5}{2.6}\]

C)

\[\frac{1.5}{1.3}\]

D)

\[\frac{1.3}{1.5}\]

View Answer
9) The X-ray cannot be diffracted by means of an ordinary grating due to:

A)

large wavelength

B)

short wavelength

C)

high speed

D)

low speed

View Answer
10) Velocity of sound in vacuum is:

A)

\[330\text{ }m/s\]

B)

\[500\text{ }m/s\]

C)

\[-165\text{ }m/s\]

D)

zero

View Answer
11) Two thin lenses are in contact with each other and focal length of the combination is 80 cm. If focal length of one lens is 20 cm. Then the power of the other lens will be:

A)

\[-3.75\text{ }D\]

B)

\[-10.0D\]

C)

\[1.67D\]

D)

\[5.0D\]

View Answer
12) A candle placed 25 cm from a lens, forms an image on the screen placed 75 cm on the other end of the lens, then the focal length and type of the lens will be:

A)

\[+21.25\text{ }cm,\] convex lens

B)

\[-21.25\text{ }cm,\]concave lens

C)

\[-18.75\text{ }cm,\]concave lens

D)

\[+18.75\text{ }cm,\]convex lens

View Answer
13) A plane mirror reflecting a ray of incident light, is rotated through an angle 6 about an axis through the point of incidence in the plane of the mirror perpendicular to the plane of incidence. Then the reflected ray will rotate through an angle equal to:

A)

\[3\theta \]

B)

\[2\theta \]

C)

\[\theta \]

D)

\[0.8\theta \]

View Answer
14) The first law of .thermodynamics is a special case of:

A)

Law of conservation of energy

B)

Weins displacement law

C)

Charles law

D)

Newtons law

View Answer
15) In gases of diatomic molecules, the ratio of two specific heats of gases\[\frac{{{C}_{P}}}{{{C}_{\upsilon }}}\]will be:

A)

1.2

B)

1.33

C)

1.66

D)

1.4

View Answer
16) The average velocity of molecules in a gas in equilibrium is proportional to:

A)

\[{{T}^{3/2}}\]

B)

\[{{T}^{4}}\]

C)

\[{{T}^{1/2}}\]

D)

\[T\]

View Answer
17) Water stands upto a height h behind the vertical wall of a dam. If width of the dam be &, then the net horizontal force pushing the dam down by the stream will be (\[\rho \]is the density of water):

A)

\[\frac{{{h}^{2}}b\rho g}{2}\]

B)

\[\frac{{{h}^{2}}{{b}^{2}}\rho g}{4}\]

C)

\[2hb\rho g\]

D)

\[\frac{{{h}^{2}}b\rho g}{4}\]

View Answer
18) A spring constant of a spring is k, when it is divided into\[n\]equal parts, then the spring constant of one piece will be:

A)

\[\frac{(n+1)k}{n}\]

B)

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

C)

\[k/n\]

D)

\[nk\]

View Answer
19) When a satellite is revolving around the earth having radius r, then the escape velocity on the satellite will be:

A)

\[\sqrt{2gR}\]

B)

\[\sqrt{gR}\]

C)

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

D)

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

View Answer
20) The weight of an aeroplane flying in air is balanced by:

A)

pressure difference between upper and lower surface of the wings

B)

up thrust of the air volume on the plane

C)

vertical component of the thrust

D)

force due to reaction of gases

View Answer
21) Which one of the following has the greater conductance?

A)

Silicon

B)

Cuprous oxide

C)

Germanium

D)

Galium arsenide

View Answer
22) If proton are shot perpendicular to the magnetic field, then the proton will:

A)

continue to move in the same direction but will gain momentum

B)

continue to move in opposite direction but will gain momentum

C)

bend in an arc of circle

D)

not to be enfluenced by magnetic field

View Answer
23) If\[\alpha -\]particles describes a circular path of radius r in a magnetic field B. Then the radius of the circular path described by a proton of same energy in the same magnetic field:

A)

\[2r\]

B)

\[\frac{r}{2}\]

C)

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

D)

\[r\]

View Answer
24) Which one of the following discovered cyclotron?

A)

Maxwell

B)

Lawrence

C)

Lewis

D)

Bohr

View Answer
25) Susceptibility of a magnetic substance is found to depend on temperature and the strength of the magnetising. Then the material will be:

A)

super conductor

B)

paramagnet

C)

diamagnet

D)

ferromagnet

View Answer
26) A 50 volt battery is joined across a\[10\,\Omega \] resistor of the current is 4.5 A, the internal resistance of the battery will be:

A)

\[1.1\,\Omega \]

B)

\[2.2\,\Omega \]

C)

\[0.5\,\Omega \]

D)

\[5\,\Omega \]

View Answer
27) If the length and area of cross-section of a conductor are doubled then its resistance will be:

A)

unchanged

B)

halved

C)

doubled

D)

quadrupled

View Answer
28) If the critical angle for total internal reflection from a medium to vacuum is\[30{}^\circ \]. Then the velocity of light in the medium will be:

A)

\[3\times {{10}^{8}}m/s\]

B)

\[2\times {{10}^{8}}m/s\]

C)

\[1.5\times {{10}^{8}}m/s\]

D)

\[6\times {{10}^{8}}m/s\]

View Answer
29) A source of sound is moving away from a stationary observer with, velocity\[{{\upsilon }_{s}}\]. Velocity of sound is\[\upsilon \]. If n is the pitch of the source of sound, then the apparent pitch of sound heard by observer will be:

A)

\[\left( \frac{\upsilon }{\upsilon +{{\upsilon }_{s}}} \right)n\]

B)

\[\frac{(\upsilon +{{\upsilon }_{s}})n}{\upsilon }\]

C)

\[\frac{{{\upsilon }_{n}}}{(\upsilon +{{\upsilon }_{s}})}\]

D)

\[\frac{{{\upsilon }_{n}}}{(\upsilon -{{\upsilon }_{s}})}\]

View Answer
30) When the waves \[{{y}_{1}}=a\sin \omega t\] and\[{{y}_{2}}=a\cos \omega t\] are superimposed then the resultant amplitude will be:

A)

\[a/\sqrt{2}\]

B)

\[a\sqrt{2}\]

C)

\[2a\]

D)

\[a/2\]

View Answer
31) We combined a convex lens of focal length\[{{f}_{1}}\]and concave lens of focal length\[{{f}_{2}}\]and their combined focal length was F. The combination of these lenses will be have like a concave lens, if:

A)

\[{{f}_{1}}\le {{f}_{2}}\]

B)

\[{{f}_{1}}={{f}_{2}}\]

C)

\[{{f}_{1}}<{{f}_{2}}\]

D)

\[{{f}_{1}}>{{f}_{2}}\]

View Answer
32) Light takes\[{{t}_{1}}\]sec to travel a distance\[x\,cm\]in vacuum and the same light takes\[{{t}_{2}}\]sec to travel \[10x\,cm\]in the medium, critical angle for the corresponding medium is:

A)

\[{{\sin }^{-1}}\left( \frac{10{{t}_{1}}}{{{t}_{2}}} \right)\]

B)

\[{{\sin }^{-1}}\left( \frac{{{t}_{1}}}{10{{t}_{2}}} \right)\]

C)

\[{{\sin }^{-1}}\left( \frac{{{t}_{2}}}{10{{t}_{1}}} \right)\]

D)

\[{{\sin }^{-1}}\left( \frac{10{{t}_{2}}}{{{t}_{1}}} \right)\]

View Answer
33) In a Fresenals bi-prism experiment the two position of lens give separation between the slits as 16 cm and 9 cm respectively. Then the actual separation will be:

A)

14 cm

B)

24cm

C)

6 cm

D)

12 cm

View Answer
34) Accroding to Weins law:

A)

\[{{\lambda }_{m}}T=\]constant

B)

\[\frac{{{\lambda }_{m}}}{T}=\]constant

C)

\[{{\lambda }_{m}}\sqrt{T}=\]constant

D)

\[\frac{{{\lambda }_{m}}}{\sqrt{T}}=\]constant

View Answer
35) At room temperature, the rms velocity of the molecules of a certain diatomic gas is found to be 1930 m/s. Then the gas will be:

A)

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

B)

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

C)

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

D)

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

View Answer
36) A gas initially at\[18{}^\circ C\]is compressed adiabatically to one eight of its original volume. Then the temperature of the gas after compression is:

A)

\[395.4{}^\circ C\]

B)

\[144{}^\circ C\]

C)

\[887.4{}^\circ C\]

D)

\[18{}^\circ C\]

View Answer
37) The angular momentum of a body with mass \[m,\]moment of inertia and angular velocity\[\omega \] rad/sec will be equal to:

A)

\[I/{{\omega }^{2}}\]

B)

\[I/\omega \]

C)

\[I\omega \]

D)

\[I{{\omega }^{2}}\]

View Answer
38) Two simple harmonic motion of same amplitude are superimposed at right angles to each other. Then the particle will describe:

A)

straight line

B)

parabola

C)

ellipse

D)

circis

View Answer
39) If r represents the radius of the orbit of the satellite of mass m moving around planet of mass M, then the velocity of satellite v is obtained from the relation:

A)

\[\upsilon =\frac{GMm}{r}\]

B)

\[\upsilon =\frac{Gm}{r}\]

C)

\[{{\upsilon }^{2}}=\frac{Gm}{r}\]

D)

\[\upsilon =\frac{Gm}{r}\]

View Answer
40) A stone is dropped into a lake from a tower of 500 m height. The sound of splash will be heard after:

A)

11.5 sec

B)

21 sec

C)

5.75 sec

D)

10 sec

View Answer
41) In an n-type semiconductor, then which of the follwing is true?

A)

Electrons are minority carrier

B)

Electrons are majority carrier

C)

Protons are majority carrier

D)

None of these

View Answer
42) Light of two different frequencies whose photons have energies of 1 eV and 2.5 eV respectively, successively illuminate a metal whose work function is 0.5 eV. Then the ratio of the maximum speed of emitted electrons is:

A)

\[1:2\]

B)

\[1:1\]

C)

\[1:4\]

D)

\[1:5\]

View Answer
43) If a current of 1 A flows in 1 milli-second through a coil and the induced emf is 2 V, then the self inductance of the coil will be:

A)

\[2\times {{10}^{-3}}H\]

B)

\[1\times {{10}^{3}}H\]

C)

\[4\times {{10}^{3}}H\]

D)

\[1\times {{10}^{-3}}H\]

View Answer
44) The electrical conductivity of earth atmosphere increases with altitude due to:

A)

ionisation of atmosphere

B)

refraction of atmosphere

C)

reflection of atmosphere

D)

radiation of atmosphere

View Answer
45) Which one of following is true?

A)

\[Q=WV\]

B)

\[WQ={{V}^{2}}\]

C)

\[W=V\]

D)

\[W=QV\]

View Answer
46) A capacitor is charged to a potential of difference of 400 volt and its plates acquire charge of 0.2 coulomb. When the capacitor is discharged, the energy released, is:

A)

40J

B)

20J

C)

80J

D)

60J

View Answer
47) Which one of the following colour has the least speed in glass?

A)

White

B)

Violet

C)

Black

D)

Red

View Answer
48) In Youngs double slit experiment, die separation between the slits is halved and the distance between the slit and screen is doubled, then the fringe width will:

A)

remain same

B)

be quadrupled

C)

be doubled

D)

be halved

View Answer
49) The radio transmitter operates on a wavelength of 1500 m. The frequency corresponding to this wavelength will be:

A)

50 kHz

B)

100 kHz

C)

500 kHz

D)

200 kHz

View Answer
50) In an open pipe of length\[l\]vibrates in fundamental mode, then pressure vibration is maximum at:

A)

one third from end of pipe

B)

one fourth then the ends

C)

end of the pipe

D)

middle of the pipe

View Answer
51) \[A{{g}_{2}}O+{{H}_{2}}{{O}_{2}}\xrightarrow[{}]{{}}2Ag+{{H}_{2}}O+{{O}_{2}}\] In the above reaction\[{{H}_{2}}{{O}_{2}}\]acts as a:

A)

oxidising agent

B)

reducing agent

C)

bleaching agent

D)

none of the above

View Answer
52) The value of azimuthal quantum number\[(l)\]is 2 then the value of principal quantum number \[(n)\]is:

A)

2

B)

3

C)

4

D)

5

View Answer
53) For 14 g of CO the wrong statement is:

A)

it occupies 2.24 litres at NTP

B)

it corresponds to\[\frac{1}{2}\]mole of CO

C)

it corresponds to same mole of CO and nitrogen gas

D)

it corresponds to\[3.01\times {{10}^{23}}\] molecules of CO

View Answer
54) The formula of malachite ore is:

A)

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

B)

\[M{{n}_{3}}{{O}_{4}}\]

C)

\[NiAs\]

D)

\[Cu{{(OH)}_{2}}CuC{{O}_{3}}\]

View Answer
55) The IUPAC name of\[Ni{{(CO)}_{4}}\]is:

A)

tetra carbonyl nickelate\[(O)\]

B)

tetro carbonyl nickel\[(II)\]

C)

tetra carbonyl nickel \[(O)\]

D)

tetra carbonyl nickelate\[(II)\]

View Answer
56) The dissociation values of four acids are as follows which of the above value is stands for strongest acid:

A)

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

B)

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

C)

\[3\times {{10}^{-4}}\]

D)

\[0.02\times {{10}^{-1}}\]

View Answer
57) Glucose on treatment with Tollens reagent produce silver mirror. This shows the presence of:

A)

alcoholic group

B)

acidic group

C)

aldehyde group

D)

ketonic group

View Answer
58) The random motion of colloidal particles in the dispersion medium is known as:

A)

Tyndall effect

B)

Coagulation

C)

Adsorption

D)

Brownian movement

View Answer
59) The conjugate base of\[O{{H}^{-}}\]is:

A)

\[{{H}^{+}}\]

B)

\[{{H}_{3}}{{O}^{+}}\]

C)

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

D)

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

View Answer
60) The valency of noble gases is:

A)

1

B)

2

C)

0

D)

3

View Answer
61) \[2{{N}_{2(g)}}+6{{H}_{2(g)}}\xrightarrow[{}]{{}}4N{{H}_{3(g)}}\] what is the enthalpy of the above reaction when the enthalpy formation of ammonia is\[-46kJ\text{ }mo{{l}^{-1}}\]:

A)

184 kJ

B)

\[-184kJ\]

C)

46 kJ

D)

\[-46kJ\]

View Answer
62) Zwitter ion is:

A)

ammonium acetate

B)

urea

C)

glycine

D)

RNA

View Answer
63) On palladium the adsorption of hydrogen is known as:

A)

reduction

B)

hydrogenation

C)

occlusion

D)

dehydrogenation

View Answer
64) The hardness of water is estimated by:

A)

distillation method

B)

EDTA method

C)

conductivity method

D)

trimetric method

View Answer
65) The orthophosphoric acid is a:

A)

tribasic acid

B)

monobasic acid

C)

tetrabasic acid

D)

dibasic acid

View Answer
66) The mass of one mole of electron is:

A)

0.55 mg

B)

0.95 mg

C)

1.005 mg

D)

\[9.1\times {{10}^{-28}}mg\]

View Answer
67) At equilibrium, the Gibbs free energy for a reaction is:

A)

\[-ve\]

B)

\[+ve\]

C)

zero

D)

none of these

View Answer
68) Paracetamol is used as an:

A)

antibiotic

B)

antimalarial

C)

antipyretic

D)

arsenical

View Answer
69) The product obtained by the reaction of glucose and bromine water is:

A)

gluconic acid

B)

glucaric acid

C)

glucose bromide

D)

bromoglucose

View Answer
70) The V.D. of a gas is 11.2. The volume occupied by one gm of the gas at STP is:

A)

1.0 litre

B)

11.2 litre

C)

22.4 litre

D)

none of these

View Answer
71) The oxidation number of P in\[M{{g}_{2}}{{P}_{2}}{{O}_{7}}\]is:

A)

\[+2\]

B)

\[+5\]

C)

\[-3\]

D)

\[+3\]

View Answer
72) The compound does not react with chlorine in dark is:

A)

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

B)

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

C)

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

D)

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

View Answer
73) The pH of boiling water (373K) is:

A)

1

B)

6

C)

8

D)

10

View Answer
74) In a first order reaction 25% reactant decomposed in 40.5 minutes. The rate constant of the reaction is:

A)

\[7.11\times {{10}^{-3}}\]minute

B)

\[14.22\times {{10}^{-3}}\]minute

C)

\[7.11\times {{10}^{-6}}\]minute

D)

\[14.22\times {{10}^{-6}}\]minute

View Answer
75) The carbohydrate which is an essential constituent of plant cell is:

A)

sucrose

B)

starch

C)

cellulose

D)

vitamins

View Answer
76) Natural rubber is a polymer of:

A)

cis-isoprene

B)

trans-isoprene

C)

both [a] arid [b]

D)

none of these

View Answer
77) On heating which of the following compound does not produce\[N{{O}_{2}}\]:

A)

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

B)

\[Cu{{(N{{O}_{3}})}_{2}}\]

C)

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

D)

\[Pb{{(N{{O}_{3}})}_{2}}\]

View Answer
78) Froth floatation process is used for the concentration of:

A)

amalgams

B)

chloride ores

C)

oxide ores

D)

sulphide ores

View Answer
79) The least water soluble compound is:

A)

acetone

B)

acetaldehyde

C)

lignite

D)

benzophenone

View Answer
80) The compound having maximum carbon percentage is:

A)

peat

B)

bituminous

C)

lignite

D)

anthracite

View Answer
81) A radiocative isotope has half life of 10 years. After 20 years the remaining amount is:

A)

zero

B)

25

C)

12.5

D)

6.25

View Answer
82) The compound which is not used for obtaining iodoform is:

A)

acetaldehyde

B)

acetone

C)

ethanol

D)

methanol

View Answer
83) The increasing order of reducing power of the halogen acid is:

A)

\[HCl<HBr<HF<HI\]

B)

\[HF<HCl<HBr<HI\]

C)

\[HI<HBr<HCl<HF\]

D)

\[HBr<HCl<HF<HI\]

View Answer
84) The compound represents phosgene is:

A)

phosphine

B)

phosphorous trichloride

C)

carbonyl chloride

D)

phosphorous oxychloride

View Answer
85) At\[27{}^\circ C\]the kinetic energy of an ideal monoatomic gas is:

A)

300K

B)

900K

C)

600K

D)

1200K

View Answer
86) \[CH=CH+{{H}_{2}}O\xrightarrow[{}]{{{H}_{2}}S{{O}_{4}}+HgS{{O}_{4}}}X\] X is identified as

A)

ketone

B)

ethanol

C)

acetaldehyde

D)

propionaldehyde

View Answer
87) A hydrocarbon contains 20% hydrogen and 80% carbon. The empirical formula is:

A)

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

B)

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

C)

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

D)

\[CH\]

View Answer
88) Benzene and chlorine reacts to produce benzene hexa chloride in presence of:

A)

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

B)

sun light

C)

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

D)

dark

View Answer
89) Yellow ammonium sulphide is:

A)

\[{{(N{{H}_{4}})}_{2}}{{S}_{8}}\]

B)

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

C)

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

D)

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

View Answer
90) At room temperature the solid compound is:

A)

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

B)

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

C)

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

D)

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

View Answer
91) The total number of protons in 10 g of\[CaC{{O}_{3}}\]is \[[{{N}_{o}}=6.023\times {{10}^{23}}]\]:

A)

\[1.50\times {{10}^{24}}\]

B)

\[2.04\times {{10}^{24}}\]

C)

\[3.01\times {{10}^{24}}\]

D)

\[4.09\times {{10}^{24}}\]

View Answer
92) When an electron is revolving in stationary orbit?

A)

they become stationary

B)

there is increase in energy

C)

they are gaining kinetic energy

D)

there is no change in energy level

View Answer
93) The strongest forces are:

A)

ion-dipole forces

B)

dipole-dipole forces

C)

dipole induced dipole forces

D)

ion-ion interaction

View Answer
94) A chemical process is carried out in a thermostat maintained at\[25{}^\circ C,\]it is known as:

A)

isothermal

B)

isobaric

C)

adiabatic

D)

isoentropic

View Answer
95) In 0.02 M solution of perchloric acid at 289 K the sum of pH and \[pOH\] is:

A)

7

B)

14

C)

10

D)

12

View Answer
96) Ice \[\] water when pressure is applied to the above equilibrium system then:

A)

water will evaporate

B)

equilibrium will not be formed

C)

more ice will be formed

D)

more water will be formed

View Answer
97) The rate constant of a reaction depends on:

A)

weight

B)

time

C)

temperature

D)

mass

View Answer
98) The normality of 10% \[C{{H}_{3}}COOH\] is:

A)

10 N

B)

0.83 N

C)

1 N

D)

1.66N

View Answer
99) Mesooxalic acid is formed when glycerol reacts with:

A)

\[KMn{{O}_{4}}\]

B)

\[Bi{{(N{{O}_{3}})}_{2}}\]

C)

dil \[HN{{O}_{3}}\]

D)

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

View Answer
100) The element responsible for oxidation of water to\[{{O}_{2}}\]in biological process:

A)

\[Cu\]

B)

\[Mo\]

C)

\[Fe\]

D)

\[Mn\]

View Answer
101) Which of the following is a cyanophage?

A)

S-13

B)

LPP-1

C)

\[\phi \times 174\]

D)

SV 50

View Answer
102) Influenza is caused by:

A)

virus

B)

bacteria

C)

viroid

D)

fungus

View Answer
103) Hormqgonia   are   the   vegetative reproductive structures of:

A)

Spirogyra

B)

Oscillatona

C)

Yeast

D)

Chlamydomonas

View Answer
104) How many sub-phyla are present in tracheata    according   to   Tippos classification of kingdom plante?

A)

3

B)

6

C)

4

D)

5

View Answer
105) Which of the following cell organelle is rich in hydrolytic enzymes?

A)

Ribosomes

B)

Mitochondria

C)

Lysosomes

D)

Coleoptile

View Answer
106) The persistant nucellus is called:

A)

perisperm

B)

periderm

C)

seedcoat

D)

coleoptile

View Answer
107) Induced fit theory of enzyme action was proposed by:

A)

Fischer

B)

Koshland

C)

Summer

D)

Mitchell

View Answer
108) The casparian strips are present in cells of:

A)

periderm

B)

epidermis

C)

hypodermis

D)

endodermis

View Answer
109) Heterothallism was discovered by:

A)

Alexopolous

B)

Blakeslee

C)

Machlies

D)

Bessey

View Answer
110) Bryophytes lack true:

A)

root

B)

stem

C)

leaf

D)

all the above

View Answer
111) Haustorial root is found in:

A)

Cuscuta

B)

Orchid

C)

Mays

D)

Ficus

View Answer
112) In stem of dicots, fascicular cambium is also called as:

A)

lateral meristem

B)

secondary meristem

C)

apical meristem

D)

intercalary meristem

View Answer
113) Cyathium is a type of:

A)

alga

B)

fungus

C)

bactrium

D)

inflorescence

View Answer
114) Which purine base is found in RNA?

A)

Guanine

B)

Cytosine

C)

Thymine

D)

Uracil

View Answer
115) When a natural predator is used to control other organism, this process is called:

A)

Natural control

B)

Biological control

C)

Artificial control

D)

Genetically modified control

View Answer
116) The 10% energy transfer law in a food chain was proposed by:

A)

Tansley

B)

Lindmann

C)

Kormondy

D)

Ambust

View Answer
117) Which of the following supports the growth of planktons and littoral vegetation?

A)

Eutrophic lake

B)

Oligotrophic lake

C)

a and b both

D)

none of the above

View Answer
118) Green house gases are:

A)

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

B)

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

C)

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

D)

\[C{{O}_{2}},CFC,C{{H}_{4}}\]

View Answer
119) A good example of an auxin herbicide is:

A)

\[NAA\]

B)

\[IBA\]

C)

\[IAA\]

D)

2,4-D

View Answer
120) The soil water available for absorption by plant roots is:

A)

rainwater

B)

capillary water

C)

chemically bound water

D)

gravitational water

View Answer
121) In prokaryotes, the geiietic material is:

A)

linear DNA with histones

B)

circular DNA with histones

C)

linear DNA wihtout histones

D)

circular DNA without histones

View Answer
122) Which of the organ is known as organ suigeneris?

A)

Rhizoid

B)

Rhizome

C)

Rhizophore

D)

RNA

View Answer
123) A cell is kept in a solution for sometimes, when it bursts. The solution should be:

A)

isotonic

B)

hypertonic

C)

hypotonic

D)

monotonic

View Answer
124) Which of the following statement is correct regarding Cycas?

A)

Singel sporophyll bears male and female sex organs

B)

Single cone bears male and female sporophylls

C)

Male and female sex organs are present on same plant

D)

Male cone and megasporophylls occur on separate plants

View Answer
125) In angiosperms, the endosperm is:

A)

polyploid

B)

triploid

C)

diploid

D)

haploid

View Answer
126) Mendels dihybrid cross ratio is:

A)

\[1:2:1\]

B)

\[12:3:1\]

C)

\[9:3:3:1\]

D)

\[9:2:2:1\]

View Answer
127) Teminism means:

A)

translation

B)

transcription

C)

transduction

D)

reverse transcription

View Answer
128) Genetic engineering is releated with:

A)

euthenics

B)

euphonic

C)

eugenics

D)

all the above

View Answer
129) Cell membrane is..........to ions:

A)

permeable

B)

differentially permeable

C)

semipermeable

D)

impermeable

View Answer
130) The process of replication in plasmid DNA, other than initiation is controlled by:

A)

bacterial gene

B)

mitochondrial gene

C)

palsma gene

D)

nuclear gene

View Answer
131) Which of the following type of RNA molecule is   essential for protein synthesis?

A)

\[m-RNA\]

B)

\[f-RNA\]

C)

\[r-RNA\]

D)

all the above

View Answer
132) Translocation of minerals takes place through:

A)

phloem

B)

xylem

C)

cambium

D)

wood parenchyma

View Answer
133) Salmon fish is:

A)

anadromous

B)

catadrpmous

C)

neocoratodromous

D)

both (a) and (b)

View Answer
134) Which of the following alga is useful is sewage treatment plants?

A)

Euglena

B)

Chlamydomonas

C)

Nostoc

D)

Both (a) and (b)

View Answer
135) Which of the following is an example of foliose lichen?

A)

Usnea

B)

Cladonia

C)

Lecanora

D)

Parmelia

View Answer
136) Removal of anthers at the time of plant breeding is called:

A)

emasculation

B)

antherris

C)

pollination

D)

fertilization

View Answer
137) Replum is found in family:

A)

Malvaceae

B)

Brassicaceae

C)

Rosaceae

D)

Cucrubitaceae

View Answer
138) In a moss plant the archegonial cluster are enclosed with leaves called:

A)

seta

B)

theca

C)

perchaetium

D)

perigynium

View Answer
139) The time required from pollination to fertilization in Finns is:

A)

6 months

B)

12 months

C)

3 months

D)

24 months

View Answer
140) The ovary is inferior in:

A)

epigynous condition

B)

hypogynous condition

C)

perigynous condition

D)

cleistogamous condition

View Answer
141) Cleistogamy is found in:

A)

Pisum sativum

B)

Commelina benghalensis

C)

Rosa indica

D)

Brassica campestris

View Answer
142) Iron containing protein is called:

A)

purines

B)

pyremidines

C)

ferredoxin

D)

ferroproteins

View Answer
143) Which of the following combination of gases is suitable for fruit ripening?

A)

80%\[C{{O}_{2}}\]and 20%\[{{O}_{2}}\]

B)

80%\[{{C}_{2}}{{H}_{4}}\]and 20%\[C{{O}_{2}}\]

C)

80%\[{{O}_{2}}\]and 20%\[C{{O}_{2}}\]

D)

80%\[C{{O}_{2}}\]and 20%)\[{{C}_{2}}{{H}_{2}}\]

View Answer
144) Cornea trarisplantation is very popular because:

A)

it is easy process

B)

it is everlasting

C)

it does not link blood supply and immune system

D)

it links blood supply and immune system

View Answer
145) Species characterized by circular or looped geographical distribution are known as:

A)

sibling species

B)

sub species

C)

ring species

D)

neo species

View Answer
146) Soil is a mixture of:

A)

sand and humus

B)

sand and clay

C)

sand, clay and humus

D)

clay and humus

View Answer
147) Vitelline glands are found in:

A)

Fasciola

B)

Taenia

C)

Phcritima

D)

Ascaris

View Answer
148) Ecological niche of a species means:

A)

specific function of a species

B)

specific place where the organism lives

C)

specific number of populations

D)

habitat and specific function of a species

View Answer
149) The function of contractile vacuole in Protozoa is:

A)

reproduction

B)

osmoregulation

C)

digestion

D)

locomotion

View Answer
150) Earthworm cannot undergo self fertilization because of:

A)

protogyny

B)

protandry

C)

unisexual

D)

none of these

View Answer
151) Centromere is a part of:

A)

mitochondria

B)

chloroplast

C)

chromosome

D)

nucleus

View Answer
152) Which of the following is made up of a single bone in mammals?

A)

Upper jaw

B)

Hyoid

C)

Zygomatic arch

D)

Dentary

View Answer
153) In which of the following stage, the chromosome is thin and like a long thread?

A)

Leptotene

B)

Zygotene

C)

Pachytene

D)

Diplotene

View Answer
154) Cerebellum of brain is concerned with a:

A)

contraction of voluntary muscles

B)

co-ordinating and regulating tone

C)

maintain posture, orientation and equilibrium of body

D)

all the above

View Answer
155) Graffian follicles are formed from:

A)

columner epithelium of testes

B)

germinal epithelium of testes

C)

assembly of ribosomes of testes

D)

none of the above

View Answer
156) The hormone GIP (gastric inhibitory peptide) is secreted by:

A)

small intestine

B)

stomach

C)

ileum

D)

duodenum

View Answer
157) When 1500 ml air is in the lungs, it is called:

A)

inspiratory reserve volume

B)

tidal volume

C)

vital capacity

D)

residual volume

View Answer
158) Which developmental structure in mammalian embryo is regarded as phyletic?

A)

Gill pouches

B)

Heart

C)

Kidney

D)

Liver

View Answer
159) Which of the following carries glucose from digestive tract to liver?

A)

Pulmonary vein

B)

Renal portal system

C)

Hepatic portal vein

D)

Pulmonary artery

View Answer
160) to form haemoglobin haem\[(F{{e}^{++}})\]combine with:

A)

plasma

B)

porphyrin

C)

cytochrome

D)

creatinine

View Answer
161) Muscular wall of the heart is covered by:

A)

epicardium

B)

epthelium

C)

epinephrium

D)

epithecium

View Answer
162) In micturition:

A)

urethra contracts

B)

urethra relax

C)

ureter contracts

D)

ureter relax

View Answer
163) During muscles contraction actin and myosin form:

A)

actoplasm

B)

actinomycin

C)

actimycin

D)

hyoactin

View Answer
164) Pellagra is the disease caused by the deficiency of:

A)

folic acid

B)

riboflavin

C)

niacin

D)

cynocobalamine

View Answer
165) Marriage between normal visioned man and colourblind woman will produce:

A)

colourblind son and carrier daughter

B)

colourblind daughter and normal son

C)

50% colourblind daughters and 50% colourblind son

D)

all normal vision children

View Answer
166) The vagus nerve is the cranial nerve numbering:

A)

5th

B)

6th

C)

9th

D)

10th

View Answer
167) The final hormonal stimulus leading to ovulation in human is provided by:

A)

FSH

B)

TSH

C)

LH

D)

estrogen

View Answer
168) Honey is:

A)

acidic

B)

alkaline

C)

salty

D)

neutral

View Answer
169) Fatty liver syndrome is due to:

A)

cigarettes

B)

alcohol

C)

drugs

D)

sugars

View Answer
170) The earliest sites where somewhat civilized man first appeared is:

A)

around capstan and mediternanean sea

B)

around Indus valley

C)

around ganga ghat

D)

around gulf

View Answer
171) Silkworm silk is the product of:

A)

salivary gland of adult

B)

salivary gland of larvae

C)

salivary gland of pupa

D)

salivary gland of egg cells

View Answer
172) First heart sound is:

A)

lubb due to closure of AV valves

B)

lubb due to closure of spiral valves

C)

dupp due to closure of AV valves

D)

dupp due to closure of spiral valves

View Answer
173) Gaseous mixture used by Stanley Miller for synthesis of amino acids through heat and electric discharge included:

A)

methane, nitrogen, hydrogen and water vapours

B)

methane, hydrogen, oxygen and water vapours

C)

methane, ammonia, nitrogen and water vapours

D)

methane, ammonia, hydrogen and water vapours

View Answer
174) In pea, the ovule is:

A)

atropous

B)

hemianatropous

C)

campylotropous

D)

circinotropous

View Answer
175) Which of the following plants root is medicinal and leaves, flowers and fruits are edible as vegetable?

A)

Helianthus annus

B)

Cue urbita maxima

C)

Solanum tuberos.um

D)

Holostemma adakodien

View Answer
176) Humus is:

A)

chemical fertilizer

B)

compost manure

C)

dead decayed organic matter

D)

living organic matter and chemicals

View Answer
177) Active transport requires;

A)

supply of energy

B)

only xylem vessels

C)

only phloem elements

D)

total shoot system

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

A)

phosphoglyceraldehyde

B)

phosphoglyceric acid

C)

phosphoenol pyruvate

D)

none of the above

View Answer
179) Water potential and osmotic potential of pure water is:

A)

zero and zero

B)

zero and 100

C)

100 and zero

D)

100 and 100

View Answer
180) Phytochrome becomes active in:

A)

green light

B)

red light

C)

blue light

D)

white light

View Answer
181) Temperature    changes,    in    the environment, affect most of the animals, which, are:

A)

homiothermic

B)

isothermic

C)

poikilothermic

D)

endothermic

View Answer
182) Hydra recognises its prey by:

A)

special organs

B)

tentacles

C)

stimulus

D)

nematocysts

View Answer
183) The amino acid metabolized by the brain is:

A)

Glutamic acid

B)

Glutamme

C)

Aspartine

D)

Histidine

View Answer
184) Gynecomastia is found in:

A)

Downs syndrome

B)

Klinefelters syndrome

C)

Pataus syndrome

D)

Turners syndrome

View Answer
185) Angulo splenial bone is found in:

A)

lower jaw of rabbit

B)

lower jaw of frog

C)

lower jaw of cow

D)

lower jaw of snake

View Answer
186) Which among following in not a class of phylum mollusca?

A)

Gastropoda

B)

Scaphopoda

C)

Cephalopoda

D)

Hexapoda

View Answer
187) Larva of house fly lacks:

A)

spiracles

B)

wings

C)

Both a, b

D)

eyes

View Answer
188) Olfactory organs of a snake is:

A)

Johtisons organ

B)

Johansburgs organ

C)

Jacobsonss organ

D)

Jacksons organ

View Answer
189) Aristotless lantern is characteristic of:

A)

Holothuroidea

B)

Epinuroidea

C)

EAinoidea

D)

all the above

View Answer
190) Pectin is:

A)

homopoloysaccharide

B)

heteropolysaccharide

C)

glycopolysaccharide

D)

glucopolysaccharide

View Answer
191) E. coli with complete radioactive medium DNA was allowed to replicate in no radioactive medium for two generation. Percentage of bacteria with radioactive strand will be:

A)

100%

B)

50%

C)

25%

D)

20%

View Answer
192) How much energy is transferred from one trophic level to the another?

A)

5%

B)

15%

C)

10%

D)

20%

View Answer
193) Which of the following is both exocrine and endocrine gland?

A)

Pancreas

B)

Liver

C)

Pituitary

D)

Thyroid

View Answer
194) Breathing is controlled by:

A)

trachea

B)

lung

C)

buccal cavity

D)

medulla oblongata

View Answer
195) Gynandromorphs are:

A)

half male and half female

B)

neither male nor female

C)

males only

D)

females only

View Answer
196) Recapitulation theory was given by:

A)

Hooker

B)

Haeckel

C)

Hooke

D)

Haywood

View Answer
197) The number of autosomes in human female is:

A)

26 pairs

B)

22 pairs

C)

24 pairs

D)

21 pairs

View Answer
198) What is left when bath sponge is dried up:

A)

spongin fibres

B)

spicule

C)

bones

D)

cartilage

View Answer
199) Growth movement in response to light is called:

A)

photoperiodism

B)

photosynthesis

C)

photophosphorylation

D)

phototropism

View Answer
200) Pheritima posthuma is farmers friend because:

A)

It is very delicious

B)

it is very naughty

C)

it makes soil porous

D)

it eats all the insects of soil

View Answer

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