Solved papers for CMC Medical CMC-Medical Ludhiana Solved Paper-2007

CMC-Medical Ludhiana Solved Paper-2007 Total Questions - 120

1) Which of the following is a dimensional constant?

A)

Refractive index

B)

Dielectric constant

C)

Relative density

D)

Gravitational constant

View Answer
2) A bullet of mass 10 g is fired from a gun of mass 1 kg with recoil velocity of gun is 5 m/s. The muzzle velocity will be

A)

30 km/min

B)

60 km/min

C)

30 m/s

D)

500 m/s

View Answer
3) Work done by air when it expands from 50 L 10 150 L at a constant pressure of 2 atmosphere is

A)

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

B)

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

C)

\[2\times {{10}^{11}}J\]

D)

\[2\times {{10}^{15}}J\]

View Answer
4) The moment of inertia of a cube will be minimum about an axis which

A)

is an edge of the cube

B)

is a face diagonal

C)

Joins mid points of opposite faces

D)

is a body diagonal

View Answer
5) If earth suddenly shrinks to half of its present radius, the acceleration due to gravity will be

A)

4 g

B)

2 g

C)

g/2

D)

g/4

View Answer
6) In a cyclic process, change in internal energy of a system over one complete cycle is

A)

positive

B)

zero

C)

negative

D)

cannot say

View Answer
7) The work done by the string of a simple pendulum during one complete oscillation is equal co

A)

total energy of the pendulum

B)

kinetic energy of the pendulum

C)

potential energy of the pendulum

D)

zero

View Answer
8) The velocity of sound in air at NTP is 330 m/s. What will be its value when temperature is doubled and pressure is halved?

A)

330 m/s

B)

165 m/s

C)

330\[\sqrt{3}\] m/s

D)

330\[\sqrt{2}\]m/s

View Answer
9) The heat produced by 1500 W heater in 14 min when used is

A)

3.0 kcal

B)

30.0 kcal

C)

300 kcal

D)

3000 kcal

View Answer
10) If two steams of protons move parallel to each other in the same direction, than these

A)

do not exert any force on one another

B)

repel each other

C)

attract each other

D)

get rotated to be perpendicular to each other

View Answer
11) Two isolated point poles of strength 30 A-m and 60 A-m are placed at a distance of 0.3 m. The force of repulsion is

A)

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

B)

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

C)

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

D)

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

View Answer
12) In an LCR circuit having L = 8 H, C = 0.5 \[\mu \]F and R = 100\[\Omega \] in series, the resonance frequency in rad/s is

A)

600

B)

200

C)

250/n

D)

500

View Answer
13) A slit of width \[12\times {{10}^{-7}}m\] is illuminated by light of wavelength 6000\[{{A}^{o}}\]. The angular width of the central maximum is approximately

A)

\[30{}^\circ \]

B)

\[60{}^\circ \]

C)

\[90{}^\circ \]

D)

\[0{}^\circ \]

View Answer
14) Power of a lens is - 4D and for second lens, power is +2D; the total power for the couple is

A)

-2 D

B)

6 D

C)

-6 D

D)

-8 D

View Answer
15) In an electron gun, the control grid is given a negative potential, relative to cathode in order to

A)

accelerate the electrons

B)

decrease KE of electrons

C)

repel the electrons

D)

decelerate the electrons

View Answer
16) In a triode valve, the cathode, grid and plate potentials are respectively 0, -2 V and 80 V. If an electron is emitted from the surface of cathode with kinetic energy 3eV, then the kinetic energy of electron when it reaches the plate wilt be

A)

80 eV

B)

82 eV

C)

78 eV

D)

83 eV

View Answer
17) If the temperature scale is changed from Celsius to Fahrenheit, numerical value of specific heat will

A)

increase

B)

decrease

C)

remain same

D)

cannot say

View Answer
18) A suction pump at ground level can draw water from a well whose depth of water level is

A)

more than 40 feet

B)

less than 35 feet

C)

about 50.8 feet

D)

none of the above

View Answer
19) A raft of wood (density 600\[kg\text{/}{{m}^{3}}\]) of mass 120 kg floats in water. How much weight can be put on the raft to make it just sink?

A)

120 kg

B)

200 kg

C)

40 kg

D)

80 kg

View Answer
20) Two gases A and B having the same temperature T, same pressure P and same volume V are mixed. If the mixture is at the same temperature T and occupies a volume V, the pressure of the mixture is

A)

2 P

B)

P

C)

P/2

D)

4 P

View Answer
21) The unit of expression\[{{\mu }_{0}}{{\varepsilon }_{0}}\]is

A)

\[m\text{/}s\]

B)

\[{{m}^{2}}/{{s}^{2}}\]

C)

\[{{s}^{2}}\text{/}{{m}^{2}}\]

D)

\[s\text{/}m\]

View Answer
22) If C and L denote the capacity and inductance, the units of LC is

A)

\[\left[ {{M}^{0}}{{L}^{0}}{{T}^{-2}} \right]\]

B)

\[\left[ {{M}^{0}}{{L}^{2}}{{T}^{-2}} \right]\]

C)

\[\left[ ML{{T}^{-2}} \right]\]

D)

\[\left[ {{M}^{0}}{{L}^{0}}{{T}^{0}} \right]\]

View Answer
23) If \[\overrightarrow{a}=2\widehat{i}-3\widehat{j}+\widehat{k}\] and \[\overrightarrow{b}=3\widehat{i}-3\widehat{j}+2\widehat{k},\] the cosine of angle \[\theta \] between them is equal to

A)

\[\frac{5}{14}\]

B)

\[\frac{1}{7}\]

C)

\[\frac{3}{14}\]

D)

\[\frac{1}{14}\]

View Answer
24) A coil is wound on a frame of rectangular cross-section. If all the linear dimensional frame are increased by a factor of 2 and the number of turns per unit length of the coil remains the same, self-inductance of the coil increases by a factor of

A)

4

B)

8

C)

12

D)

16

View Answer
25) A small metallic ball is charged positively negatively in a sinusoidal manner at a frequency of \[{{10}^{6}}\] cps. The maximum charge on the ball is\[{{10}^{-6}}C\]. What is the displacement current due to this alternating current?

A)

6.28 A

B)

3.4 A

C)

\[3.75\times {{10}^{-4}}A\]

D)

12.56 A

View Answer
26) A bullet hits and gets embedded in ad block resting on a horizontal frictionless table. What is conserved?

A)

Momentum and kinetic energy

B)

Momentum alone

C)

Kinetic energy alone

D)

Neither momentum nor kindle energy

View Answer
27) A bullet of mass 50 g travelling it 500 m/s penetrates 100 cm into a wooden block. The average force exerted on the block is

A)

\[6.25\times {{10}^{5}}N\]

B)

\[26.5\times {{10}^{4}}N\]

C)

\[6.25\times {{10}^{3}}N\]

D)

\[2.65\times {{10}^{4}}N\]

View Answer
28) A spherical ball rolls on a table without slipping. Then, the fraction of its total kinetic energy associated with rotation is

A)

\[\frac{2}{5}\]

B)

\[\frac{2}{7}\]

C)

\[\frac{5}{7}\]

D)

\[\frac{3}{5}\]

View Answer
29) If the velocity of projection is increased by 1% (other things remaining constant) horizontal range will increase by

A)

1 %

B)

2 %

C)

4 %

D)

8 %

View Answer
30) If units of force and length are doubled, the unit of energy will become

A)

half

B)

two times

C)

four times

D)

eight times

View Answer
31) If x denotes displacement in time t and x = a cos t, then acceleration is

A)

a cost

B)

-a cos t

C)

a sin t

D)

-a sin t

View Answer
32) A stone of mass m is lied to a string of length l and rotated in a circle with a constant speed v. If the string is released the stone flies

A)

radially outward

B)

radially inward

C)

tangentially outward

D)

with an acceleration \[\frac{m{{v}^{2}}}{l}\]

View Answer
33) A body is just floating in a liquid (their densities are equal). If the body is slightly pressed down and released, it will

A)

start oscillating

B)

sink to the bottom

C)

come back 10 the same position immediately

D)

come back to the same position slowly

View Answer
34) Two gases are at absolute temperatures 300 K and 350 K respectively. The ratio of average kinetic energy of their molecules is

A)

\[6:7\]

B)

\[1:5\]

C)

\[1:1\]

D)

\[5:1\]

View Answer
35) Two charges of 1 C and 5 C are placed at some distance in air. The ratio of the forces acting on

A)

1 : 25

B)

1 : 5

C)

\[1:1\]

D)

\[5:1\]

View Answer
36) The speed of a projectile u reduces by 50 % on reaching maximum height. The range on the horizontal plane is

A)

\[\frac{2{{u}^{2}}}{3g}\]

B)

\[\frac{{{u}^{2}}}{g}\]

C)

\[\frac{\sqrt{3}\,{{u}^{2}}}{2g}\]

D)

\[\frac{3{{u}^{2}}}{g}\]

View Answer
37) It is possible 10 observe total internal reflection when a ray travels from

A)

air into water

B)

air into glass

C)

water into glass

D)

glass into water

View Answer
38) What is the number of equal pans into which a conductor having a resistance \[{{R}_{0}}=100\Omega \] should be cut to obtain the resistance \[R=10\Omega ,\] if the pans are connected in parallel?

A)

5

B)

10

C)

20

D)

2

View Answer
39) In which one of the following regions of the electromagnetic spectrum will the vibrational motion of molecules give rise to absorption?

A)

Ultraviolet

B)

Microwave

C)

Infrared

D)

Radio wave

View Answer
40) The current in a coil changes from 0 to 2 A in 0.05s. If the induced emf is 80V. the self-inductance of the coil is

A)

1 H

B)

0.5 H

C)

1.5 H

D)

2 H

View Answer
41) Mixture of \[MgC{{l}_{2}}\] and \[MgO\]is called

A)

port l and cement

B)

sorrels cement

C)

double salt

D)

none of the above

View Answer
42) The effect of temperature increase on conduction is as follows

A)

metallic conduction increases, electrolytic conduction decreases

B)

electrolytic conduction increases, metallic conduction decreases

C)

both metallic and electrolytic conduction decrease

D)

both metallic and electrolytic conduction increase

View Answer
43) An ideal gas cannot be liquefied because

A)

its critical temperature is always above\[0{}^\circ C\]

B)

its molecules are relatively smaller in size

C)

it solidifies before becoming a liquid

D)

forces operative between its molecules are negligible

View Answer
44) The lower electron gain enthalpy of fluorine than that of chlorine is due to

A)

smaller size

B)

smaller nuclear charge

C)

difference in their electronic configurations

D)

its highest reactivity

View Answer
45) Volume at NTP of 0.22 g of \[C{{O}_{2}}\] is same as that of

A)

0.01g of hydrogen

B)

0.085g of \[N{{H}_{3}}\]

C)

320 mg of gaseous \[S{{O}_{2}}\]

D)

all of the above

View Answer
46) Which one of the following is pyro phosphoric acid?

A)

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

B)

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

C)

\[{{H}_{4}}{{P}_{2}}{{O}_{5}}\]

D)

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

View Answer
47) \[{{H}_{2}}{{O}_{2}}\] is always stored in black bottles because

A)

it is highly unstable

B)

its enthalpy of decomposition is high

C)

it undergoes autoxidation on prolonged standing

D)

none of the above

View Answer
48) Which of the following has maximum dipole moment?

A)

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

B)

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

C)

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

D)

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

View Answer
49) In the reaction \[2NO+C{{l}_{2}}\xrightarrow{{}}2NOCl,\] it has been found that doubling the concentration of both the reactants increases the rate by a factor of eight but doubling the chlorine concentration alone only doubles the rate. Which of the following statements is incorrect?

A)

The reaction is first order in \[C{{l}_{2}}\]

B)

The reaction is second order in NO

C)

The overall order of reaction is 2

D)

The overall order of reaction is 3

View Answer
50) Internal energy does not include

A)

vibrational energy

B)

rotational energy

C)

energy arising by gravitational pull

D)

nuclear energy

View Answer
51) A metal -Yon heating in nitrogen gas gives Y. Y on treatment with water gives a colourless gas which when passed through \[CuS{{O}_{4}}\] solution gives a blue colour. Y is

A)

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

B)

\[M{{g}_{3}}{{N}_{2}}\]

C)

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

D)

\[MgO\]

View Answer
52) Ferrocene is an example of

A)

sandwiched complex

B)

pi-bonded complex

C)

a complex in which all the five carbon atoms of cyclopentadiene anion are bonded to the metal

D)

all of Ae above

View Answer
53) Which of the following is /are not affected by temperature?

A)

Molarity

B)

Molality

C)

Normality

D)

None of these

View Answer
54) The nucleus of an atom is made up of X protons and Y neutrons. For the most stable and abundant nuclei

A)

X and Y both are even

B)

X and Y both are odd

C)

X is even and Y is odd.

D)

X is odd and Y is even

View Answer
55) Which one of the following species has the largest intern clear distance for its ion pair?

A)

NaCl

B)

NaBr

C)

LiCl

D)

KI

View Answer
56) Which of the following has giant co-valent structure?

A)

\[NaCl\]

B)

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

C)

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

D)

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

View Answer
57) The extraction of which of the following metals involves bass emerisation?

A)

Fe

B)

Ag

C)

Al

D)

Cu

View Answer
58) A reaction has both \[\Delta \,H\] and \[\Delta \,S\] negative. The rate of reaction

A)

increases with increase of temperature

B)

increases with .decrease of temperature

C)

remains unaffected by change of temperature

D)

cannot be predicted for change in temperature

View Answer
59) Chlorine acts as a bleaching agent only in presence of

A)

dry air

B)

moisture

C)

sunlight

D)

pure oxygen

View Answer
60) Acetic acid reacts separately with the following alcohols. The rate of esterification is highest for

A)

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

B)

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

C)

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

D)

\[{{(C{{H}_{3}})}_{3}}COH\]

View Answer
61) \[CaC{{l}_{2}}\] is preferred to\[NaCl\]for clearing ice on roads particularly in very cold countries. This is because

A)

\[CaC{{l}_{2}}\] is less soluble in \[{{H}_{2}}O\] than \[NaCl\]

B)

\[CaC{{l}_{2}}\] is hygroscopic but\[NaCl\] is not

C)

eutectic mixture of\[CaC{{l}_{2}}\text{/}{{H}_{2}}O\]freezes at \[-\ 55{}^\circ C\] while that of \[NaCl\text{/}{{H}_{2}}O\] freezes at\[-18{}^\circ C\]

D)

\[NaCl\] makes the road slippery but \[CaC{{l}_{2}}\] does not

View Answer
62) Helium-oxygen mixture is used by deep sea divers in preference to nitrogen-oxygen mixture because

A)

helium is much less soluble in blood than nitrogen

B)

nitrogen is much less soluble in blood than helium

C)

due to high pressure deep under the sea nitrogen and oxygen react to give poisonous nitric oxide

D)

nitrogen is highly soluble in water

View Answer
63) An element M has an atomic mass 19 and atomic number 9. Its ion is represented by

A)

\[{{M}^{+}}\]

B)

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

C)

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

D)

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

View Answer
64) 100 cc of 1.5% solution of urea is found to have an osmotic pressure of 6.0 atm and 100 cc of 3.42% solution of sugar cane is found to have an osmotic pressure of 2.4 atm. If the two solutions are mixed, the osmotic pressure of the resulting solution will be

A)

8.4 atm

B)

4.2 atm

C)

16.8 atm

D)

2.1 atm

View Answer
65) Which of the following is a co-polymer?

A)

Buna-S

B)

PAN

C)

Polythene

D)

PTEE

View Answer
66) A sample of diesel has the same knocking characteristics as a 60 mL mixture of cetane and a-methyl naphthalene mixed in 2 :1 ratio. The cetane number of the diesel sample is

A)

60

B)

40

C)

66.6

D)

33.3

View Answer
67) Phenol reacts with \[PC{{l}_{5}}\] to give mainly

A)

p-chlorophenol

B)

chlorobenzene

C)

o-and p-chlorophenols

D)

triphenylphosphate

View Answer
68) Which of the following on heating does not form an anhydride?

A)

Oxalic acid

B)

Succinic acid

C)

Glutaric acid

D)

Maleic acid

View Answer
69) The magnetic moment of a transition metal ion is found to be 3.87 BM. The number of unpaired electrons, present in it is

A)

2

B)

3

C)

4

D)

5

View Answer
70) Sterling sliver is

A)

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

B)

\[A{{g}_{2}}S\]

C)

alloy of 80% Ag + 20% of Cu

D)

\[AgCl\]

View Answer
71) When applied, the uncertainty principle has significance in case of

A)

moving train

B)

spinning cricket ball

C)

moving a-particle

D)

all of the above

View Answer
72) One mole of an anhydrous salt AB dissolves in water with the evolution of 21.0 J \[mo{{l}^{-1}}\]of heat. If the heat of hydration of AB is -29.4 J \[mo{{l}^{-1}}\], then the heat of dissociation of hydrated salt AB is

A)

\[50.4\,J\,mo{{l}^{-1}}\]

B)

\[8.4\,J\,mo{{l}^{-1}}\]

C)

\[-50.4\,J\,mo{{l}^{-1}}\]

D)

\[-8.4\,J\,mo{{l}^{-1}}\]

View Answer
73) A certain compound gives negative test with ninhydrin and positive test with Benedicts solution. The compound is

A)

a protein

B)

a monosaccharide

C)

a lipid

D)

an amino acid

View Answer
74) In a transition series, as the atomic number increases paramagnetism

A)

increases gradually

B)

decreases gradually

C)

first increases to a maximum and then decreases

D)

first decreases to a minimum and then increases

View Answer
75) Which of the following reagents would you prefer to find out whether the hydrocarbon \[{{C}_{3}}{{H}_{4}}\] contains one-triple bond or two-double bonds?

A)

Fehlings solution

B)

Ammoniacal \[AgN{{O}_{3}}\] or \[CuCl\] solution

C)

Baeyers reagent

D)

\[B{{r}_{2}}\text{/}CC{{l}_{4}}\]

View Answer
76) Natural rubber and gutta-percha respectively are

A)

cis-polyisoprene and trans-polyisoprene

B)

both are cis-polyisoprene

C)

both are trans-polyisoprene

D)

trans-poly chloroprene and cis-polychloroprene

View Answer
77) A dextro-rotatory optically active alkyl halide undergoes hydrolysis by \[{{S}_{N}}2\] mechanism. The resulting alcohol is

A)

dextrorotatory

B)

laevorotatory

C)

optically inactive due to racemization

D)

may be dextro or laevorotatory

View Answer
78) Which of the following reagents can be used to prepare benzaldehyde from toluene?

A)

\[Cr{{O}_{3}}\] in \[{{(C{{H}_{3}}CO)}_{2}}O\]

B)

\[{{K}_{2}}C{{r}_{2}}{{O}_{7}}\] + cone. \[{{H}_{2}}S{{O}_{4}}\]

C)

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

D)

Conc. \[HN{{O}_{3}}\]

View Answer
79) Distinguishing reagent between silver and lead salts is

A)

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

B)

dil. \[HCl\]solution

C)

\[N{{H}_{4}}Cl\] (solid) + \[N{{H}_{4}}OH\] solution

D)

\[N{{H}_{4}}Cl\](solid) + \[{{(N{{H}_{4}})}_{2}}C{{O}_{3}}\] solution

View Answer
80) In the set of the given reactions, acetic acid yielded a product C \[C{{H}_{3}}COOH+PC{{l}_{5}}\xrightarrow{{}}A\xrightarrow[anhy.\,AlC{{l}_{3}}]{{{C}_{6}}{{H}_{6}}}\]\[B\xrightarrow[ether]{{{C}_{2}}{{H}_{5}}MgBr}C\] The product C would be

A)

\[C{{H}_{3}}CH(OH){{C}_{2}}{{H}_{5}}\]

B)

\[C{{H}_{3}}CO{{C}_{6}}{{H}_{5}}\]

C)

\[C{{H}_{3}}CH(OH){{C}_{6}}{{H}_{5}}\]

D)

\[C{{H}_{3}}-\overset{{{C}_{2}}{{H}_{5}}}{\mathop{\overset{\mathbf{|}}{\mathop{C(OH)}}\,}}\,\,-{{C}_{6}}{{H}_{5}}\]

View Answer
81) Red algae are able to grow deep in sea as

A)

they can trap blue light of short wavelength in deep layer of water

B)

they have phycoerythrin to trap blue green light in deep layer of water

C)

both (a) and (b)

D)

none of the above

View Answer
82) Source of carrageenin, a gel like phycocolloid used in bakery, jams, jellies, soups and clearification of beer, is obtained from a red alga which is

A)

Chondrus

B)

Porphyra

C)

Gracilaria

D)

Ulva

View Answer
83) At the base of seta of capsule of moss, there is a haploid brownish growth known as

A)

calyptra

B)

vaginula

C)

perigonium

D)

perichaetial

View Answer
84) Seed habit was first originated in

A)

ferns

B)

cycadofilicales

C)

gymnosperm

D)

mosses

View Answer
85) In sea anemone, the symmetry is

A)

radial

B)

spherical

C)

bilateral

D)

absent

View Answer
86) Infective stage of Ascaris is

A)

adult worm

B)

second juvenile

C)

fourth juvenile

D)

egg

View Answer
87) Which of the following eats its prey?

A)

Leech

B)

Sepia

C)

Starfish

D)

Both (b) and (a)

View Answer
88) Membranous bag with hydrolytic enzymes which is used for controlling intracellular digestion of macro molecules is

A)

endoplasmic reticulum

B)

nucleosome

C)

lysosome

D)

phagosome

View Answer
89) Inner mitochondrial membrane possesses enzyme

A)

ATP - synthetase, succinate dehydrogenase and respiratory chain enzymes

B)

NADH - cytochrome reduclase and monomeric oxidase

C)

Malale and isocitrate dehydrogenases fumarate. aconitase and citrate symheiaa.

D)

Adenyrate kinase and nucleoside diphosphokinase.

View Answer
90) The stage at which cleavage or cytokinesis begins in animal cell is

A)

anaphase

B)

telophase

C)

interphase

D)

Go phase

View Answer
91) Shape of chromosomes can be best studied during

A)

prophase

B)

metaphase

C)

anaphase

D)

tciophase

View Answer
92) The number of pollen grains produced by head inflorescence of Asteraceae (Compositae) having 10 flowers, if each anthers produces 20 pollen grains are

A)

300

B)

500

C)

800

D)

1000

View Answer
93) Term torus applies to

A)

spongy thalamus in lotus

B)

swelling in bordered pits

C)

both (a) and (b)

D)

a condensed petiole

View Answer
94) Bitterness of cucurbits fruit is due to amines and

A)

acids in them

B)

alkalinity in their pulp

C)

occurrence of tetracyclic triterpenes

D)

presence of better seeds in them

View Answer
95) Which pair of spiracles are borne dorsotally over the tergum instead of pleura?

A)

First thoracic

B)

Second thoraric

C)

First abdominal

D)

Second abdominal

View Answer
96) Nephridiopores present over the body of earthworm belongs to

A)

integumentary nephridia

B)

septal nephridia

C)

pharyngeal nephridia

D)

peptonephridia

View Answer
97) Which statement is not correct for septal nephridia of Pheretima posthuma?

A)

These occur in all segments except fourteen

B)

There are enteronephric

C)

These are exonephric

D)

These have complicated nephrostome

View Answer
98) The normal type of embryo development in a dicot was studied in

A)

Cyperus

B)

Capsella

C)

Sanitaria

D)

Opuntia

View Answer
99) When one molecule of pyruvic acid is subjected to anaerobic respiration it changed into lactic add mere is a

A)

loss of 6 ATP

B)

loss of 3 ATP

C)

gain of 2 ATP

D)

gain of 3 ATP

View Answer
100) Ribulose hiptiosphaic carboxylase enzyme caiiilyses the reaction between

A)

oxaloacetic acid and acetyle Co A

B)

CO2 , and ribulose 1, 5. Biphosphate

C)

ribulose biphosphatc and phosphogly- ceraldehyde

D)

PGA and dihydroxy acetone phosphate

View Answer
101) Which one does not contribute to nitrogen availability in the soil?

A)

Decay of organic matter

B)

Electric storms

C)

Azotobacter

D)

Liming

View Answer
102) Plants growing on hills show

A)

higher rates of transpiration

B)

lower rates of transpiration

C)

same rate of transpiration as in plants

D)

lower rate of transpiration provided the stomata are sunken

View Answer
103) Process of imbibition involves

A)

adsorption of water

B)

diffusion of water

C)

movement of water into imbibant through capillary

D)

movement of water into imbibant through diffusion as well as capillary action

View Answer
104) If an angiosperm is keptat compensation point

A)

it will die after sometime

B)

its growth will be normal

C)

its growth will be faster

D)

its growth will stop, but it will not die

View Answer
105) What is correct about test tube baby?

A)

Fertilization inside female genital tract and growth in test tube

B)

Rearing of prematurely born body inside incubator

C)

Fertilization outside and gestation inside womb of mother

D)

Both fertilization and development are effected outside the female genital tract

View Answer
106) Biotechnology utilizes micro- organism and developed present organism utilizing

A)

mutation

B)

recombinant UNA technology

C)

both (a) and (b)

D)

none of the above

View Answer
107) Hay fever is due to

A)

hepatites

B)

allergy

C)

dengue

D)

helper T-cells

View Answer
108) NMR imaging technique is based on the gyromagnetic property of

A)

electron

B)

proton

C)

positron

D)

neutron

View Answer
109) If ones own tissue is grafted to another part of the body, it is termed as

A)

isograft

B)

autograft

C)

allograft

D)

xenograft

View Answer
110) Nobel prize of 1978 for restriction endonuclease technology was given to

A)

Temin and Baltemore

B)

Millstein and Kohler

C)

Arber Nathans and Smith

D)

Melley, Khurana and Nirenberg

View Answer
111) Keratomalacia is deficiency symptom of

A)

vitamin A

B)

protein energy malnutrition

C)

phylloquinone

D)

nicotinamide

View Answer
112) Uraemia is an excretory disorder in which

A)

the tubule of kidney reabsorb urea in large amount

B)

concentration of urea goes high in the blood because the tubules are not able to remove it from the blood

C)

urea is produced in excess in the body

D)

none of the above

View Answer
113) Which of the following enzyme differentiate osteoclast from osteoblast?

A)

Alkaline phosphate

B)

Acid phosphate

C)

Deoxyribonuclease

D)

None of the above

View Answer
114) Lateral funiculi possess ganglia

A)

sensory

B)

motor

C)

both (a) and (b)

D)

none of these

View Answer
115) Retina is most sensitive at

A)

optic disc

B)

pephery

C)

macula lutea

D)

fovea centralis

View Answer
116) Which set is of purely motor nerve?

A)

Oculomotor, trochlear, abducens

B)

Optic, oculomotor, facial

C)

Auditory, optic, trigeminal

D)

Facial, trigeminal, glossopharyngeal

View Answer
117) Over secretion of androgens from adrenal cortex in females is responsible for

A)

Addisons disease

B)

Appearance of masculine characters

C)

Parrys disease

D)

Increase in their sexual desire

View Answer
118) F- cells of islets of Langerhans secretes Pancreatic Polypeptide (PP). It

A)

accelerates the release of pancreatic

B)

inhibits the release of digestive secretion the pancreas

C)

accelerates the release of insulin

D)

inhibits the release of glucagon

View Answer
119) The perception of sound in a mammal stimulation of mechanoreceptors located in

A)

Reissners membrane

B)

sacculus

C)

semicircular canal

D)

organ of Corti

View Answer
120) Fabellae (bones) are associated with

A)

elbow joint

B)

knee joint

C)

neck joint

D)

angular joint

View Answer

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CMC-Medical Ludhiana Solved Paper-2007 Total Questions - 120