# Solved papers for CMC Medical CMC-Medical Ludhiana Solved Paper-2013

### done CMC-Medical Ludhiana Solved Paper-2013

• question_answer1) A double convex lens (${{R}_{1}}$=${{R}_{2}}$= 100cm) having focal length equal to the focal length of a concave mirror. The radius of the concave mirror is

A) 10 cm

B) 20 cm

C) 40 cm

D) 15 cm

• question_answer2) A system is provided with 200 cal of heat and the work done by the system on the surrounding is 40 J. Then its internal energy

A) increases by 600 J

B) decreases by 800 J

C) increases by 800 J

D) decreases by 50 J

• question_answer3) The equation of a wave is $3\,\cos \pi \,(50\,t-x).$ The wavelength of the wave is

A) 3 units

B) 2 units

C) 50 units

D) 47 units

• question_answer4) Position of a body with acceleration $a$ is given by $x=k{{a}^{m}}\,{{t}^{n}},$ here $t$ is time. Find the dimensions of $m$ and $n$

A) $m=1,\text{ }n=1$

B) $m=1,\text{ }n=2$

C) $m=2,\text{ }n=1$

D) $m=2,\text{ }n=2$

• question_answer5) The electron in the lowest (n = 1) orbit in hydrogen atom has energy$-13.6\,eV$. How much energy is required to ionise a hydrogen atom which is already in the first excited level?

A) 3.4 eV

B) 10.2 eV

C) 13.6 eV

D) 1.9 eV

• question_answer6) An electron is accelerated through a potential difference of 200 V. If $\frac{e}{m}$for the electron be $1.6\times {{10}^{11}}\,C\text{/}kg$ the velocity acquired by the electron will be

A) $8\times {{10}^{6}}\text{ }m\text{/}s$

B) $8\times {{10}^{5}}\text{ }m\text{/}s$

C) $5.9\times {{10}^{6}}\text{ }m\text{/}s$

D) $5.9\times {{10}^{5}}\text{ }m\text{/}s$

• question_answer7) An electron (charge$=1.6\times {{10}^{-19}}C$) is meaning in a circle of radius $5.1\times {{10}^{-11}}m$ at a frequency of $6.8\times {{10}^{15}}$ revolution/s. The equivalent current is approximately

A) $5.1\times {{10}^{-3}}A$

B) $6.8\times {{10}^{-3}}A$

C) $1.1\times {{10}^{-3}}A$

D) $2.2\times {{10}^{-3}}A$

• question_answer8) A particle of man m is projected at an angle $45{}^\circ$ with velocity v. When the particle is a highest point, the angular momentum with respect to point of projection

A) 0

B) $\frac{m{{v}^{3}}}{4\sqrt{2g}}$

C) $\frac{m{{v}^{2}}}{\sqrt{2g}}$

D) $\frac{\sqrt{2}\,m{{v}^{3}}}{4g}$

• question_answer9) A wire 4m long and area of cross-section 12 $c{{m}^{2}}$ is stretched by a force of$4.8\times {{10}^{3}}N$. If Youngs elasticity coefficient of material of wire is $1.2\times {{10}^{11}}N\text{/}{{m}^{2}},$then increases in length will be

A) 1.33 mm

B) 1.33 cm

C) 2.66 cm

D) 0.55 cm

• question_answer10) For a given lens, the magnification wag found to be twice as large as when the object was 0.15 m distant from it as when the distance was 0.2 cm. The focal length of the lens is

A) 0.10 m

B) 0.20 m

C) 0.35 m

D) 0.40 m

• question_answer11) An electric motor run on DC source of emf 200 V and draws a current of 20 A. If the efficiency be 40%, then the resistance of armature is

A) $2\,\Omega$

B) $8\,\Omega$

C) $12\,\Omega$

D) $6\,\Omega$

• question_answer12) A radioactive elements has half-life period of 600 yr. After 300 yr what amount will remain?

A) $\frac{1}{2}$

B) $\frac{1}{16}$

C) $\frac{1}{8}$

D) $\frac{1}{32}$

• question_answer13) An elastic circular wire of length $l$ carries a current 1. It is placed in a uniform magnetic field B (out of paper) such that its plane is perpendicular to the direction of B. The wire will experience

A) no force

B) a stretching force

C) a compressive force

D) a torque

• question_answer14) The work done in, deflecting a compass needle of magnetic moment M through an angle $\theta$ from its equilibrium position is [$H=$ horizontal] component of the earths magnetic field

A) $MH\sin \theta$

B) $MHcos\theta$

C) $MH(1-\sin \theta )$

D) $MH\,(1-\cos \theta )$

• question_answer15) A thermodynamic system is taken through the cycle PQRSP process. The net woke done by the system is

A) 20 J

B) - 20 J

C) 400 J

D) - 374 J

• question_answer16) The starter motor of a car draw a current$I=300\,A$from the battery of voltage 12V. If the car starts only after 2 minutes, what is the energy drawn from the battery?

A) 3 kJ

B) 30 kJ

C) 7.2 kJ

D) 432 kJ

• question_answer17) In the given circuit, the voltmeter reads 5V. The resistance of the voltmeter in ohms is

A) 200

B) 100

C) 10

D) 50

• question_answer18) A pulse or a wave train travels along a stretched string and reaches the fixed end of the string. It will be reflected back with

A) the same phase as the incident pulse but with velocity reversed

B) a phase change of $180{}^\circ$ with no reversal of velocity

C) the same phase as the incidence pulse with no reversal of velocity

D) a phase change of $180{}^\circ$ with velocity reversed

• question_answer19) 3.0 mn of 400 nm light is incident on a photoelectric cell, if 0.1% of the photons are contributing in ejection of electrons, then the current in the cell is

A) 0.48$\mu A$

B) resistance value not given

C) zero

D) 0.96$\mu A$

• question_answer20) There are two bodies of masses 100 kg and 10000 kg separated by a distance 1m. At what distance from the smaller body, the intensity of gravitational field will be zero?

A) $\frac{1}{9}m$

B) $\frac{1}{10}m$

C) $\frac{1}{11}m$

D) $\frac{10}{11}m$

• question_answer21) A particle is moving in a circle with uniform speed$v$. In moving from a point to another diametrically opposite point,

A) the momentum changes by$mv$

B) the momentum changes by 2$mv$

C) the kinetic energy changes by (1/2)$m{{v}^{2}}$

D) the kinetic energy changes by$m{{v}^{2}}$

• question_answer22) A wire of diameter 1 mm breaks under a tension of

A) 500 N

B) 100 N

C) 1000 N

D) 400 N

• question_answer23) Two bodies of mass m and 4m have equal KE. What is the ratio of their momentum?

A) 1 : 4

B) 1 : 2

C) 1 : 1

D) 2 : 1

• question_answer24) An electric field of 1500 V/m and a magnetic field of 0.40 $Wb\text{/}{{m}^{2}}$act on a moving electron. The minimum uniform speed along a straight line at electron could have is

A) $1.6\times {{10}^{15}}m\text{/}s$

B) $6\times {{10}^{-16}}m\text{/}s$

C) $3.75\times {{10}^{3}}m\text{/}s$

D) $3.75\times {{10}^{2}}m\text{/}s$

• question_answer25) The induction coil works on the principal of

A) self-induction

B) mutual induction

C) Amperes rule

D) Flemings right hand rule

• question_answer26) When$o\text{-}$or$p\text{-}$phenol sulphonic acid is treated with bromine water, the product formed is

A) 2, 4-dibromophenol

B) 2, 4, 6-tribromophenol

C) 3-bromophenol boric acid

D) 3, 5-dibromophenol

• question_answer27) Which of the following will not enhance the nutritional value of food?

A) Minerals

B) Artificial sweeteners

C) Vitamins

D) Amino acid

• question_answer28) Which of the following polymers can have strong intermolecular forces?

 I. Nylon II. Polystyrene III. Rubber IV. Polyesters

A) I only

B) I and III

C) I and IV

D) IV only

• question_answer29) Dinucleotide is obtained by joining two nucleotides together by phosphodiester linkage between which carbon atoms pentose sugars of nucleotides are the linkages present?

A) 5 and 3

B) 1 and 5

C) 5 and 5

D) 3 and 3

• question_answer30) The colour of the coordination compounds depends upon the crystal field splitting. What will be the correct order of absorption of wavelength of light in the visible region for the complexes$\underset{(I)}{\mathop{{{[Co{{(N{{H}_{3}})}_{6}}]}^{3+}},}}\,$$\underset{(II)}{\mathop{{{[Co{{(CN)}_{6}}]}^{3-}},}}\,$$\underset{(III)}{\mathop{{{[Co{{({{H}_{2}}O)}_{6}}]}^{3+}}?}}\,$

A) II > I > III

B) I > III > II

C) III > I > II

D) II > I > III

• question_answer31) The correct structure of $Fe{{(CO)}_{5}}$is

A) octahedral

B) tetrahedral

C) square pyramidal

D) trigonal bipyramidal

• question_answer32) What is the solubility product constant for silver phosphate if the solubility of$A{{g}_{3}}P{{O}_{4}}$ is $4.4\times {{10}^{-5}}M$?

A) $3.7\times {{10}^{-16}}$

B) $1.0\times {{10}^{-16}}$

C) $5.8\times {{10}^{-9}}$

D) $9.1\times {{10}^{-16}}$

• question_answer33) When 1.00 g of a strong acid is dissolved in 100 mL of water the pH of the solution is 0.908. Assuming no change in volume when the solution is formed. Calculate the molar mass of the unknown acid?

A) 20 g $\text{mo}{{\text{l}}^{-1}}$

B) 36 g $\text{mo}{{\text{l}}^{-1}}$

C) 63 g $\text{mo}{{\text{l}}^{-1}}$

D) 81 g $\text{mo}{{\text{l}}^{-1}}$

• question_answer34) The measured density of $AgI$ is 6.94 g $c{{m}^{-3}}$ and the theoretical density is$5.67\,g\,c{{m}^{-3}}.$ These data indicate the solid$AgI$has

A) Schottky defect

B) Frenkel defect

C) Interstitial defect

D) Both (a) and (b)

• question_answer35) Find solubility product of a saturated solution of $A{{g}_{2}}Cr{{O}_{4}}$in water at 298 K, if the emf of the cell. $Ag|A{{g}^{+}}$(saturated$A{{g}_{2}}Cr{{O}_{4}}$solution) ||$A{{g}^{+}}(0.1M)|Ag$is $0.164\,V$at $298\,K.$

A) $2.287\times {{10}^{-12}}mo{{l}^{3}}{{L}^{-3}}$

B) $2.287\times {{10}^{-13}}mo{{l}^{3}}{{L}^{-3}}$

C) $2.287\times {{10}^{-14}}mo{{l}^{3}}{{L}^{-3}}$

D) $2.287\times {{10}^{-15}}mo{{l}^{3}}{{L}^{-3}}$

• question_answer36) Which of the following can be oxidized further with a strong oxidising agent? $\underset{I}{\mathop{S{{O}_{2}}}}\,$ $\underset{II}{\mathop{Mn{{O}_{2}}}}\,$ $\underset{III}{\mathop{A{{l}_{2}}{{O}_{3}}}}\,$ $\underset{IV}{\mathop{Cr{{O}_{3}}}}\,$

A) I and II

B) II and IV

C) III and IV

D) I and IV

• question_answer37) The energy required to excite an electron of H atom from first orbit to second orbit is

A) $\frac{3}{4}$ of its ionisation energy

B) $\frac{1}{2}$ of its ionisation energy

C) $\frac{1}{4}$ of its ionisation energy

D) $\frac{1}{9}$of its ionisation energy

• question_answer38) The ground state valence electronic configuration of$_{24}C{{r}^{+}}$is

A) $3{{d}^{4}}4{{s}^{2}}$

B) $3{{d}^{4}}4{{s}^{1}}$

C) $3{{d}^{5}}4{{s}^{1}}$

D) $3{{d}^{5}}$

• question_answer39) A freshly prepared sample of yttrium-90 undergoes$7.6\times {{10}^{5}}$disintegration per minute at a certain time. Exactly 14 days later, same sample undergoes $1.6\times {{10}^{4}}$dpm. The half-life of yttrium-90 is

A) 0.20 day

B) 2.5 day

C) 2.7 day

D) 3.8 day

• question_answer40) Which of the following compounds is most reactive towards nucleophilic addition reactions?

A) $C{{H}_{3}}CHO$

B) $C{{H}_{3}}COC{{H}_{3}}$

C) ${{C}_{6}}{{H}_{5}}CHO$

D) ${{C}_{6}}{{H}_{5}}COC{{H}_{3}}$

• question_answer41) Which of the following is the weakest Bronsted base?

A)

B)

C)

D) $C{{H}_{3}}N{{H}_{2}}$

• question_answer42) Methyl amine reacts with$HN{{O}_{2}}$to form

A) $C{{H}_{3}}-O-N=O$

B) $C{{H}_{3}}-O-C{{H}_{3}}$

C) $C{{H}_{3}}OH$

D) $C{{H}_{3}}CHO$

• question_answer43) Which of the following alkyl halides will undergo ${{S}_{N}}1$ reaction most readily?

A) ${{(C{{H}_{3}})}_{3}}\,C-F$

B) ${{(C{{H}_{3}})}_{3}}\,C-Cl$

C) $(C{{H}_{3}})\,C-Br$

D) ${{(C{{H}_{3}})}_{3}}\,C-I$

• question_answer44) Which of the following compounds is aromatic alcohol?

A) I, II, III, IV

B) I, IV

C) II, III

D) I

• question_answer45) Hot cone. ${{H}_{2}}S{{O}_{4}}$ acts as moderately strong oxidising agent. It oxidises both metals and non-metals. Which of the following element is oxidised by cone. ${{H}_{2}}S{{O}_{4}}$ into two gaseous products?

A) Cu

B) S

C) C

D) Zn

• question_answer46) Elements ofgroup-15 form compounds in +5 oxidation state. However, bismuth forms only one well characterised compound in +5 oxidation state. The compound is

A) $B{{i}_{2}}{{O}_{5}}$

B) $Bi{{F}_{5}}$

C) $BiC{{l}_{5}}$

D) $B{{i}_{2}}{{S}_{5}}$

• question_answer47) The values of colligative properties of colloidal solution are of small order in comparison to those shown by true solutions of same concentration because colloidal particles

A) exhibit enormous surface area

B) remain suspended in the dispersion medium

C) form lyophilic colloids

D) are comparatively less in number

• question_answer48) In which of the following method of purification, metal is converted to its volatile compound which is decomposed to give pure metal?

 I. Heating with stream of CO II. Heating with ${{I}_{2}}$ III. Liquation IV. Distillation

A) I, II

B) I, III

C) II, III, IV

D) Only IV

• question_answer49) The electronic configuration of $Cu\,(II)$is $3{{d}^{9}}$ whereas that of $Cu\,(I)$is $3{{d}^{10}}.$ Which of the following is correct?

A) Cu (II) is more stable

B) Cu (II) is less stable

C) Cu (I) and Cu (II) are equally stable

D) Stability of Cu (I) and Cu (II) depends on the nature of Cu salts

• question_answer50) Two elements A and B form compounds having molecular formula $A{{B}_{2}}$ and $A{{B}_{4}}.$ When dissolved in 20 g of benzene ${{C}_{6}}{{H}_{6}},$$1\,g$ of $A{{B}_{2}}$lowers the freezing point by 2.3 K whereas 1.0 g of $A{{B}_{4}}$lowers it by 1.3 K. The molal depression constant for benzene is 5.1K kg $\text{mo}{{\text{l}}^{-1}}$. Calculate atomic masses of A and B.

A) A = 25.59 u, B = 42.64 u

B) A = 36.78 u, B = 49.38 u

C) A = 42.64 u, B = 25.59 u

D) A = 49.38 u, B = 36.78 u

• question_answer51) Taxonomy is the branch of science which deals with

A) identification

B) nomenclature

C) classification

D) All of these

• question_answer52) Beside the nuclear DNA, there is some extranudear DNA is found in bacteria, called

A) plastid

B) plasmid

C) genophore

D) mesosomes

A) bacteria

B) fungi

C) protist

D) virus

• question_answer54) The term gymnosperm was introduced by

A) Aristotle

B) Mendel

C) Pasture

D) Theophrastus

A) cranium

B) vertebral column

C) pharyngeal slits

D) Both (a) and (b)

• question_answer56) Monocots and dicots are the two main classes to

A) fungi

B) angiosperm

C) gymnosperm

D) protest

• question_answer57) Which of the following character does not occur in Pinus?

A) The number of needles in a spur of Pinus roxburghii

B) Each vascular bundle in a long shoot of Pinus consist of xylem facing toward the centre of shoot

C) Microsporophyll of Pinus bears two microsporangia

D) Pinus is a homosporous gymnosperm

• question_answer58) $%\underset{+}{\overset{\nearrow }{\mathop{\bigcirc }}}\,{{K}_{(5)}}{{C}_{1+2+(2)}}{{A}_{(9)+1}}\,G1$floral formula belongs to which family?

A) Poaceae

B) Solanaceae

C) Fabaceae

D) Liliaceae

• question_answer59) Gray matter in central nervous system is formed of

A) cell bodies

B) non-medullated nerve fibre

C) medullated nerve fibre

D) Both (a) and (b)

• question_answer60) pH of saliva is

A) 5.7

B) 6.7

C) 7.7

D) 2.7

• question_answer61) The genes which are always expressed are called

A) constitutive genes

B) housekeeping genes

C) Both (a) and (b)

D) luxary genes

• question_answer62) Two thiores namely A and B are crucial intermediates in metabolism of glucose in glycolysis cycle.

A)

 A B Erythrose Ribose

B)

 A B Glyceraldehyde Ribose

C)

 A B Glyceraldehyde Erythrose

D)

 A B Glyceraldehyde Dihydroxyaletone

• question_answer63) Polyribosomes or polysomes are groups of ribosomes distributed along a

A) single strand of messenger RNA ($m$RNA)

B) double-strand of $t$RNA

C) single-strand of $r$RNA

D) double-strand of $r$RNA

• question_answer64) Aleuroplast is a type of leucoplasts which stores

A) lipid

B) carbohydrates

C) starch

D) protein

• question_answer65) The phenotypes monohybrid and genotypic monohybrid ratio in ${{F}_{2}}\text{-}$generation remains same in

A) pseudodominance

B) complete dominance

C) incomplete dominance

D) over dominance

• question_answer66) Nitrites converted to nitrates by

A) Nitrobacter bacteria

B) Nitrocystis bacteria

C) Pseudomonas bacteria

D) Both (a) and (b)

• question_answer67) RQ value for carbohydrates is

A) less than one

B) more than one

C) equal to one

D) infinity

• question_answer68) Statement I Plants which flower only once in their life time is called polycarpic. Statement II Plants which flower many times in their life time is called monocarpic. Choose the correct option.

A) Statement I is correct but II is incorrect

B) Statement II is correct but I is incorrect

C) Both statement are correct

D) Both statement are incorrect

• question_answer69) The heart of molluscs and vertebrates are of

A) neurogenic type

B) myogenic type

C) partially myogenic type

D) partially neurogenic type

• question_answer70) Match the following columns.

 Column-I (Organ of Excretion) Column-II (Name of Animals) (A) Nephridia 1. Prawn (B) Malpighian tubules 2. Spider (C) Coaxal gland 3. Insect (D) Grenn gland 4. Earthworm
Codes

A) A-1 A-2 A-3 A-4

B) B-2 B-1 B-3 B-4

C) C-4 C-3 C-2 C-1

D) D-4 D-2 D-3 D-1

• question_answer71) Juxta-glomerular region of kidney produces

A) Erythropoietin

B) Secretin

C) Resin

D) Both (a) and (c)

• question_answer72) In which of its following plants the pseudo copulation occurs?

A) Lythrum

B) Biophytem

C) Ophrys

D) Malva

• question_answer73) Morphallaxis (morphallactic regeneration) occurs in I. Hydra II. Planaria lll. Salamander IV. Lizard

A) I and III

B) I and II

C) II and IV

D) IV and I

• question_answer74) Regeneration of a limb is the example of

A) restoration

B) morphallaxis

C) epimorposis

D) Both (a) and (c)

• question_answer75) Retroposons are formed from

A) protein

B) DNA

C) amino acid

D) RNA

• question_answer76) Which part of the constitution contains the fundamental rights?

A) Part II

B) Part III

C) Part IV

D) Part V

• question_answer77) Under which article of the constitution is the presidents rule promulgated in any state in India?

A) 356

B) 352

C) 360

D) 370

• question_answer78) Who was the Governor-General of India during the Sopoy Mutiny?

A) Lord Canving

B) Lord Dalhousie

C) Lord Hardings

D) Lord Lytton

• question_answer79) After returning from South Africa, Gandhiji launched his first successful Satyagraha in

A) Chauri-chaura

B) Dandi

C) Champaran

D) Bardoli

• question_answer80) Newtons first law is also called as

A) law of moments

B) law of inertia

C) law of energy

D) law of momentum

• question_answer81) Decibel is the unit of

A) speed of light

B) intensity of sound

C) intensity of heat

D) None of the above

• question_answer82) Choose the odd one

A) mouse

B) scanner

C) printer

D) keyboard

• question_answer83) Which of the following is not an input device?

A) Keyboard

B) Monitor

C) Joystick

D) Microphone

• question_answer84) Oceanic tidal waves which result from earthquakes are known as

B) Hurricanes

C) Syzygy

D) Tsunamis

• question_answer85) According to the census 2011, what is the population of India?

A) 1.21 billion

B) 1.33 billion

C) 2.15 billion

D) 2.12 billion

• question_answer86) Who is regarded as father of green revolution?

A) MS Swaminathan

B) Vijay Kelkar

C) CH Hanumantha Rao

D) GS Bhalla

A) John milton

B) Michel Angelo

C) John keats

D) Lord Byron

• question_answer88) With which game does Santosh Trophy is associated?

A) Tennis

B) Cricket

C) Football

D) Golf

• question_answer89) World Environment day is observed annually on

A) 10th December

B) 10th November

C) 5th July

D) 5th June

• question_answer90) The fifth BRIGS summit was held in

A) Cape Town

B) Durban

C) Johannesburg

D) Pretoria

• question_answer91) Select the one which is different from the other three responses.

A) Carpenter

B) Goldsmith

C) Blacksmith

D) Driver

• question_answer92) Which one of fate, given responses would be a meaningful order of the following words in ascending order?

 (i) Butterfly (ii) Cocoon (iii) Egg (iv) Worm

A) (i), (iii), (iv), (ii)

B) (i), (iv), (iii), (ii)

C) (ii), (iv), (i), (iii)

D) (iii), (iv), (ii), (i)

• question_answer93) Find the wrong number in the given series. 1, 5, 14, 30, 55, 93

A) 5

B) 30

C) 55

D) 93

• question_answer94) In a row of boys, Rajan is 10th from the right and Suraj is 10th from the left. When Rajan and Suraj interchange their positions, Suraj will be 27th from the left. Which of the following will be Rajans position from the right?

A) 10th

B) 26th

C) 29th

D) 27th

• question_answer95) Which answer figure will complete the pattern of given question figure? Question Figures Answer Figures

A)

B)

C)

D)

• question_answer96) Which is the greatest out of the following numbers?

A) ${{(2+3+4)}^{2}}$

B) ${{[{{(2+3)}^{2}}]}^{2}}$

C) ${{(3\times 3\times 3)}^{2}}$

D) ${{3}^{3}}$

• question_answer97) If after the payment of $\frac{5}{6}$ of a loan, Rs.600 still remain to pay, what is whole amount of the loan?

A) Rs. 2000

B) Rs. 3600

C) Rs. 3000

D) Rs. 2000

• question_answer98) Direction: In given sentence to find out whether there is any grammatical error in it. The error, if any will be in one part of the sentence. The number of that part is the answer. If there is no error, the answer is i.e., (d) No error (Ignore the errors of punctuation, if any).

A) This happened

B) /just exactly

C) /five years ago.

D) /No error .

• question_answer99) Direction: In the given sentence below a word is printed in bold. Below four words are suggested, one of which can replace the bold word, without changing the meaning of the sentence. Find out the appropriate word. A callous system generates nothing but a misanthrope.

A) Develops

B) Induces

C) Produces

D) Improves

• question_answer100) Direction: In the given question below three words are given number as (a), (b) and (c) one of these three words may be wrongly spelt, if there is any. The number of that word is your answer. If all the words are correctly spelt, mark (d) i.e., All correct as your answer.

A) Illustrious

B) Manageable

C) Tunnle

D) All the above correct