neet ug 2013 question paper

8/12/2019 NEET UG 2013 Question Paper

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Test Booklet Code BC NO : 2216302This Booklet contains 20 pages.Do not open this Test Booklet until you are asked to do so

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1. &chis the monomer of ~ e o ~ r e n enthe following?CH2=C CH=CH2

2 A agnetic moment of 1.73BM will be shown byone among the following :(1) [Ni (a )4 l 2-(2) Tic4 =-,(3) [c0ci6]4-(4)JCu (NH3)41Ametal has a fcc lattice. The edge length of the unit

'C is 404 pm. The density of the metal is 2.72 g~ m - ~ .he maar mass of the metal is :NAAvogadro's constant= 6.02 x mol-l)

(1) 30gmol-I(2) 27 g mol-I(3b 20gmol-l( ) 40 g mol-1

meta - directing substituents in ahmaticsubstitution are given. wh ich one is mostdeactivating ?

S03HCOOH

-NO2 &CkN

7 How many grams of concentrated nitric add solutionshould be used to prepare 250mL of 2.0M J3N03?-- The concentrated acid is 70% HN03.(1) 90.0 g conc. HN03(2) 70.0 g conc. HN03 sB %(3) 54.0 g conc. HN03(4) 45.0 g conc. HN03

e order of stability of the following tautomericcompounds is :

OH

4. Structure of the compound whose rCTPAC name isl-2-hydroxy4methylhex-3en-5ynoic acid is :

of thegraphite ?

l

.

Antiseptics and disinfectants either kill or preventgrowth of microrganisms. Identdy which of the-Lollowing statements is not true :(1) Chlorine and Iodine are used as strong '

. 2) infectants antsllute solutions of Boric acid and Hydrogen,peroxide are strong antiseptics.3) Disinfectants harm the living tissues.

(4) A 0.2%.solution of phenol is an antiseptic. . .while solution acts as a dismfectant.ylbhis an exdmple of :6. f

Polysaccharide(2) Polyamide(3) Polythene(4) Polyester



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12. Which of these is not a monomer for a high molecular/mass silicone polymer ?(1) Me2SiC1-,(2) Me3SiC1.(3) PhSiCl,14) MeSiCl,Identrfy the correct order of solubility in aqueousmedium : -(1) Zn >Na2S> CuSIqd2S> c u s > Zns

Na2S>ZnS>CuSCuS > ZnS > Na2S

Among the following ethers, which one willproducemethyl alcohol on treatment with hot concentrated

14. at is the activation energy for a reaction if its ratek b l e s when the temperature is raised from 20C

to 35C ? R = 8.314J mol-I K-l)(1) 269kJmol-I .P(2) 34.7 kJ mol-1 c/(3) 15.1 kJ mol-(4) 342 kJ mol-I 7 b

17.

15. A hydrogen gas electrode- is s e h y dippingplatinum wire in a solution of HCJof pH = 10 and/y passing -@gasaro he platinum wireat one Zfm-pfeSSUZ.- The oxidation potential ofelectrode would be_?(1) 0.59V(2) 0.118 V(3) 1.18V

v T ' 4) 0.059V16. he value of Planck's co nst ant is\ :x

Js. The spee d of light is6 3 x 1017 nm s 5 hich value closest to the- wavelength in nanometer of a-quantumfrequency of 6 x 1015 s-I ?

bT, / < C\+'YP ;

Yi(1) CH3-CH-,-CH- -CH3

What is themaximumnumbers of electrons that canbe associated with the following set of quantumnumbers ?n=3, I ind m= -1.(1) .2) 4(3) 2(4) 10Which of the following lantharloid io ns 'isdiamagnetic?(At nos. Ce=58, Sm= 62, Eu= 63, b = 70)

19. h . 0 2 x 1020 molecules of urea a re presen t in100 mL of its solution. The concentration of Llution

20 /B as ed on equation E= - .178 r 10-l8 J ( 1certain conclusions are-w-itten Whicj~-of__thems- - --not correctL(19- - Uirger the valge_of_n, he larger is the orbitradius.(2) Equation can be used to calculate the changein energy when the electron changes orbit.(3) For n = w d e c i m n has a m egativeenerpy thmitdcedarnarn= 6 which m e w hatthe e l e ~ t . i s - l m ~ d -n thesmallestaJlowed orbit. ?(4) Thgnegative sign in equdtion simply meansthat the energv of e l e c t ~ h u do thenucleus is lower than it w o u l T w ~ h eelear-at the, infini tedsfmce from/he nucleus. +

21. An excess of AgN03 is added to 100 mL of a 0.01M, ~ ' s o l u t i o n ~ o r ~ ~hloride.T h w e t e s f AgCI----.be: -

(3) 0.01 n 3(4) 0.001 .,: @ l P

22 JCMi104can be prepared from K2Mn04as per thereaction : ---..-~ n 0 f + 2H20+ 2Mn0; + M@-, +4 s - .- 7 -The reaction can go to completgn by removingOH - s - b y add : t(1) K0Ff



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. .. .

X23. Which of the following compoundswill not undergoFrieda1-Craft's reaction easily :

(1) Xylene(2) Nitrobenzene(3) Toluene(4) Cumene

24. Which of these is least likely to act as a Lewis base ?(1) F-(2) BF3 ,.-(3) PF3(4) co

x ; A y t u r a l unit of silicates is :

(2) si0;- ., j, . >

3) s~o:-.. . .(4) S i O -- .

. .

aximum deviation from ideal gas is expected. .from:

(1) N2 (g) - ,(2) CH4 (g)(3) NH3 (g)(4). H2(&

27. Which is the strongest acid in the following ?(1) H 9 3(2) ffc~oi. :(3) H2S0(4) H2S04 . .

28. Reaction by which Benzaldehyde cannot beprepared :(1) ocyC1H 2 in pre sence of

Pd-BaS04CO+HCI in &esence f(2)

anhydrous A1C13

+Zn/ Hg and conc. HC1+Cr02C12 n CS2 followedby H30+

he radical, / \ cH2. is aromatic becpuse it-0 '&has :2P F


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36 Which of the following does not give oxygen ono h e a t i n g ?Zn C103)2

2) K2cr2073) NH4)2Cr2074) KC103

following is a polar molecule ?2) SiF43) XeF4(4) BF3

38 The structure of isobutyl group in an organiccompound is :1) CH3-CH CH2 CH3

44. A buttoncell used in watches functions as following

If half cell potentials arezn 2+ a@+2 e--+Zn s); E O =- 76VAg20 s) H20 1) 2e-- + 2Ag s) 2 0 H - aq),E 0 = 0 3 4 VThe cell potential will be :1) 0 4 2 V

,I 4) 1,2-Dinitrobenzenem h i c h of the following is paramagnetic ?

The number of carbon atoms per unit cell of diamondunit cell is : -1) 82) 6I 3) 14) 4 ./2 eF2is isostructural with.1) ICl,2) SbC1,3) BaC12j4) TeF2 w; 42. A reaction having equal energies of activation for

forward and reverse reactions has :1 1) AG =O

2) AH=O3) AH=AG=AS=O G-z 4) AS = 0

43. Dipole - induced dipole interactions are present inwhich of the following pairs :1) C12 and CC14

j 2) HC1 and He atoms3) SiG and He atoms4) H20and alcohol/

'

45. Nitrobenzene on reaction with conc. HNO3/H2SO4at 80 -100C forms which one of the followingproducts ?1) 1,3-Dinitrobenzene2) 1,4-Dinitrobenzene3) 1,2,4-Trinitrobenzene

he diagram shows an important concept in thegenetic implication of DNA. Fill in the blanksA to C.

B Proposed bymRNA- protein C1) A - translation B - transcription C - ErevinChargaff2) - transcription B -_translation C - Francis( -Crick3) - translation B - extension C - RosalindFranklin4) A - transcription B - replication C - JamesWatson

Perisperm differs from endosperm in :1) having no reserve food

2 being a diploid tissue3) its formation by fusion of secondary nucleuswith several sperms4) being a haploid tissue

ides paddy fields, cyanobacteria are also foundvegetative part of :1) Cycas2) Equiseturn3) Psiloturn4) Pinus



6/19

X 649. W i h of the following statements is correct in 5 M c h ne of the following organelle in the figure

relation to the endocrine system d correctly matches with its function ?1) Organs in the body like gastrointestinal tract,heart, kidney and liver do not produce any

hormones.2) Non - nutrient chemicals produced by thebody in trace amount that act as intercellular

messenger are known as hormone_ss.(3) Releasing and inhibitory hormones areproduced by the pituitary gland. (1) Golgi apparatus , protein synthesis(2) Golgi apparatus, formation of glycolipids

51. If two persons with 'AB' blood group marry andhave sufficiently large number of children, thesechildren could be classified as 'A' blood group :AEYHcod group : B blood group in1 2 :1 atio. Modemtechnique of protein electrophoresis revealspresence of both 'A' and B type proteins in 'AB'blood group individuals. This is an example of :

(4) Adenohypophysis is under direct neural, regulation of the hypothalamus.

50. Megasporangiurn s equivalent to :(1) Fruit(2) Nucellus3) ovule4) Embryo sac .,

(1) hcoinplete dominance

(3) Rough endoplasmic reticu lup, pro tei nsynthesis

(4) Rough endoplasmic reticulum, formation of4glycoproteins5 A phoglyceride is always made up of :

d an unsaturated fatty acid eser to a, glycerol molecule to whicha ph o s p h a j y u pis also attached - ,-

(2), a saturated or unsaturated fatty acid esterifiedto a glycerol molecule to which a phosphategroup is also attached

(3) a saturated or unsaturated fatty acid esterifiedto a phosphate group which is also attachedto a glycerol molecule

(2) Partial dominance: (3) Complete dominance

5 Z / A pregnant female deliversa baby who suffers fromstunted growth, mental retardation, low intelhge'ncequotient and abnozmal skin.This is :he result of :

:I) Low secretionof growth hormone(2) Cancer of the thyroid gland3) Over secretion of pars distalis4) Deficiency of iodine in dietc t

4) only a saturated fatty acid ,esterified to a'glycerol molecule to which a groupis also attachedring sewage treatment, biogases are producedwhich include : \xb(1) methane, oxygen, hydrogensulphide(2) hydrogensulphide, methane, sulphur dioxide3) ,hydrogensulplude, nitrogen, methane

(4) ./ methane, hydrogensulphide, carbon dioxideThe eye of octopus and eye of cat show differentpatterns . structure, yet they perform similarfunction. This is an example of :(1) Homologous organs that have evolved dueto divergent evolution.(2)( Analogous organs that have evolved due toconvergent evolution.(3) Analogous organs that have evolved due todivergent evolution.(4) Homologous organs that have evolved dueto convergent evolution.

57 Which of the following criteria does not pertain tofacilitated transport1) High selectivity

(2) Transport saturation(3) phill transport(4) Requirement of special membrane proteins



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(2) Prawn, Scorpion,Locus t(3) Sponge, Sea anemone, Starfish(4) Malarial parasite,Amoeba MosquitoWhich of the following cannot be detected in adeveloping foetus by amniocentesis?

he process by which organisms with differentevolutionary history evolve similar phenotypicadaptations in response to a commoni Lenvironmentalchallenge, is called : ,

I (1) Convergent evolutionIi (2) Non-random evolutionI (3) Adaptive radiatio3

(4) Natural selectioni5 7 h k m n of scari is usually occurs by :

(1) eating imperfectly cooked porkii (2) Tse - tse fly.(3) mosquito bite.113 (4) drinking water containing eggs of Ascaris

eB The Air Prevention and Control of Pollution ActJ came into force in :: (1) 1981

(2) 1985: 3) 1990(4) 1975

(1) Sex of the foetus(2) Down syndrome I

XSe ect the correct match of the digested products in. mans given in column I with their absorptionsite and mechanism in column 11

( 3 y aundiceKlinefelter syndrome

2)*(3(4)

. . he characteristics and an example of a synovialjoint in humans is :

+ 63. / The Golgi complex plays a major role :(1) in digesting proteins and carbohydrates

3 2) senergytr nsferringorg nelles4 mpost translational modification of proteins-2 (3)/ and glycosidation of lipids*% (4) in trapping the light and transforming it into*i chemical energy

, 6 1 2 h i c h group of animals belong to the samephylum ?1 Earthworm, Piworm, Tapeworm

65/e~trual flow occurs due to lack of :(1) FSH(2) Oxytocin(3) Vasopressin(4) Progesterone *

Column I

Fm*NGlycerol, fattyacidsCholesterol,maltoseGlycine, glucose

l

Isogamous condition with non-flagellated gametesis found in :

Column 11small W n e ,passive absmt ionduodenum, move aschilomicronslarge intestine, activeabsorptionsmall intestine, activeabsorption 3

Examplesskull bones

joint betweenatlas and axisgliding jointbetween carpals

Knee jolnt

1)

2 )

3)

Characteristicsfluid filled betweentwo joints, providescushionfluid filled synovialcavity between twoboneslymph filled betweentwo bones, limitedmovementfluid cartilage

(4) between two bones,limited movements



8/19

A stage in cell division is shown in the figure. Select

if both parents are carriers for thalessemia, which is

the answer which gives correct identification of the an autosomal recessive disorder, what are thestage with its characteristics. chances of pregnancy resulting in an affected

child ?(1) 50 -(2) 25(3) 100(4) no chance

coat is not thin, membranous in :Coconut

(2) Groundn t(3)4 Gram E(4) Maize

70. The diagram given here is the standard ECG of aThe P- wave represents the :

(1) Initiation of the ventricular contraction(2) Beginning of the systole(3) End of systole(4) Contraction of both the atria

chromosomes move awayfrom equatorial plate, golgicomplex not present.cell plate formed,mitochondria distributedbetween two daughter cells.endoplasmic reticulum and

.-nucleolusnot reformed yet.nuclear envelop reforms,golgi complex ~eforms.

/2

3)(4)

7l/Which Mendelian idea is depicted by a cross inwhich the F1 generation resembles both the

?(1) law of dominance(2) inheritance of one gene(3) co - dominance/ (4) incomplete dominance

d The tendency of population to remain irL geneticequilibrium may be disturbed by :(1) lack of migration(2) lack of mutations(3) lack of random mating(4) randommating ,

Lateanaphase -In plant breeding programmes, the entire collection(of plants/seeds) having all the diverse alleles for

all genes in a given crop is called :(1) cross hybridisation among the selectedparents.(2) evaluation and selection of parents.(3) germplasm collection.

1Cytokinesis/

TelophaseTelophase (4) selection of superior recombinants.

75. The cell- mediated immunity inside the l~umanody< s carried out by :(1) B - lymphocytes(2) Thombocytes(3) Erythrocytes( W T lymphocytes

v t c h he name of the animal (column I), with onecharacteristics (column 11), and the phylum/class(column 111) to which it belongs :

body covered(2) ~ r n u l u s by chitinous 1 Pisces 1

exoskeleton(3) damsia adially Poriferasvmmetrical

3ent-containing membranous extensions in ;cyanobacteria are :(1) Basal bodies k(2) Pneumatophores

(3) Chromatophores /(4) HeterocystsKyoto Protocol was endorsed at : ,fr(1) COP 5(2) COP-

\J(3) COP-4(4) COP-3



9/19

the answer which correctly matches thegland with the hormone it secretes and

deficiency symptom :

stable product of fixation of atmosphericogen in leguminous plants is1 Ammonia

Endocrinegland

Posteriorpituitary

Thyroi-d2) gland

Corpus3) luteum

Anterior) pituitary

; (3) Glutamate, (4) NO,

Hormone

GrowthHormone(GH)

Thyroxine

Testosterone-

Oxytocin

8 l j a t u r a l eservoir of phosphorus is :(1) Animal bones(2) Rock .(3) Fossils(4) /5ea water

symptomsOversecretionstimulates abnormalgrowthLack of iodine indiet results in goitre

StimulatesspermatogenesisStimulates uteruscontraction du nngchild birth

82. &at external changes are visible after the last moultof a cockroach nymph ?(1) Anal cerci develop

Both fore wings and hind wings develop:Labium developsMandibles become harder 44, at is the correct sequence of spermformation ?

(1) Spermatogonia, spermatocyte, spermatozoa,a spermatid

(2) Spermatogonia, spermatozoa, spermatocyte,spermatidSpermatogonia, spermatocyte, spermatid,

a t 3 J permatozoa(4) Spermatid, spermatocyte, spermatogonia,s spermatozoa

-u

lect thewrong statement(T) Anisogametes differ either in structure,functionor behaviour9 nOomycetes female gamete is smaller andmotile, while male gamete is larger and

non-motile(3) Chlamydomonas exhibits both isogamy andanisogamy and Fucus shows oogarny(4) Isogametes are simdar in structure, functionand behaviour

8 3 Monoecious plant of Chara sho,ws occurrenceof :(1) stamen &td carpel on the same plant(2f upper antheridium and lower oogonium on1the same plant(3) upper oogonium and lower antheridium onthe same plant(4) antheridiophoreand archegoniophore on thesame plantThe essential chemical components of manycoenzymes are(1) Nucleic acids(2) Carbohydrates(3) -.Vitamins(4) Proteins ,

8 v h i c h f the following statements s not true of twogenes that show 50%kecombination requency ?(1) The genes are tightly linked(2) The genes show independent assortment(3) If the genes are present on the samechromosome, they undergo more than one

crossovers in every meiosis(4) The genes may be on different chromosomes

ead the following statements A-E) and answer the8 8 .4 u e s t i o n which follows them. -

(A) . In liverworts, mosses, and ferns garnetophytesare f r e d i ~ m g r?(B) Gymnosperms and some ferns arehe&rosporous /

(Cj Sexual reproduction in Fucus, Volvox and/lbz~gos oogamous(D) The sporophyte in liverworts

elaborate than that in mosses 3 hF)&Both, Pinus and Mnrchntin are d i o e c i w7How many of the abbve statements are correct ?1) Two /

12 Three/(3) Four(4) One @ a



10/19

89. The incorrect statement with regard to Haemophiliais(1) It is a recessive disease(2) It is a dominant disease-(3) single protein involved in the clotting ofblood is affected(4) It is a sex linked disease

d ~ d v a n t a g ef cleistogamy is :(1)' More vigoraus offspring(2) No dependence on pollinators3) Vivipary .

(4) Higher genetic variability9l./&ition state structure of the substrate formed

during an enzymatic reaction is :(1) permanent but unstable(2) transient and unstable(3) permanent and stable(4) transient but stable

rose the flowers are :p f Actinomorphic, epigynous with valvateaestivation(2) Zygomorphic, hypogynous with imbricateaestivation(3) Zygomorphic, epigyn ous with twistedaestivation(4) Actinomorphic, hypogynous with twistedaestivation

93. /e of a tree can be estimated by :

(2) number of annual rings(3) diameter of its heartwood(4) its height and girth

hich of the following are likely to be present indeep sea water ?' 1) Eubacteria

(2) Blue-green algae(3) Saprophytic ungi 1(4) Archaebacteria

I

Variation in gene frequencies within populations/can occur by chance rather than by natural selection.This is referred to as :1) Genetic drift

(2) Random mating(3) Genetic load(4) Genetic flow

96 .y seden ta ry sea mone gets attached to the shelllining of hermit crab. The association is, of the following is not correctly matched for it s organism and its cell wa lmgrading enzyme ? 11) Plant cells Cellulase

(2) Algae Methylas----(3) Fungi - Chtinase(4) Bacteria - Lysozyme

of sexual reproduction generally(1) Prolonged dormancy(2) ,.New genetic combination leading to variation3) Grge biomass

(4) Longer viability of seedsWluch of the following represent maximum number4f species among global biodiversity ?1) Lichens

(2) Fungi3) Mosses and Fenls

methods of birth control isby abstaining from coitus from day 10 to 17ofthe menstrual C s

2) by having coitus at thetimeof d breakw c e3) by a prenlature ejaculation durin coitus 2(4) abortlun by taking an appropriate medicme



11/19

Xone of the following is not used for x situonservation ? l

1) Seed banks .2) Shifting cultivation Gu' @/3) Botanical Gardens

2) Catabolism Last step in the decomgositionunder fullyAnaer75bwndition, ---. /3) Leaching Water soluble inorganic nutrientsrise to the top layers of soil4) Fragmentation Carried out by organisms

: < . . such as earthworm/.

. 02 DNA fragments generated by the restrictiondonucleas- r ~ ~ m i t a ~ beI

1 Polymerase chain reaction2) Electrophoresis3) Restriction mapping4) Centrifugation

/The figure shows a diagrammatic view of humanrespiratory system with labelsA, B, C andD Selectthe option which gives correct identification andmain function and/or characteristic.

1) B pleural membrane surround ribs on bothsides to provide cushion against rubbing.@. C Alveoli - t h allestructures for exchange o3) D Lower end of lungs diaphragm pulls itdown during inspiration.4) A trachea long tube supported by completecartilaginous rings for conducting inzpired

air.

4) Field gene banks / ,105.A n t i c e l s are involved in :

1) , Gaseous exchange2) Food transPoit3) Photosynthesis4) Transpiration

6 Among bitter go* must&, b&, pum*7h i n a pse, c u c ~ ~ ~ - s u ~rsm,u a ~ ~ b e a n i - c h ~ p l u I n r , p e ~ fo ~ & o , o wwithawa:2) Endothecium produces the microspores3) Tapetum nourishes the deve-ollen, w .4) Hard outer layer of pollen is called intine

for synthesis of lipids is :1) SER f i r2) Syrnplast3) Nucleoplasm4) RER



12/19

11&lect the correct st at em en t with respect to-locomotion in humans. -(1) -Accumulation of uric acid crystals in jointscauses their inflammation. ,

(2) . The vertebral column has 10 thoracic. -..vertebrae.

(3) The joint between adjacent vertebrae is afibrous joint.(4) A decreased level of progesterone causesosteoporosisinold people.I ologist studied the population of rats in a barn.He found that the average natality was 250, averagemortality 240, immigration 20 and emigration 30.The net increase in population is :1) 152) 05fi zero(4) 10

rts A, B, C and D of the human eye are shown inthe diagram. Select the option which gives correctdentification along with its functions/characteristics

114. Figure shows schematic plan of blood circulationin humans with labels A to D. Identify the label andgive its function/s.

Pulmonary artery - takes blood from heart-PO2= 90mm HgI(2) C -Vena Cava takes blood from body partsd r i g h t auricle, PC02= 45mm Hg

(3) D - Dorsal a'ortd - takes blood from heart to6body parts, PO2= 9 mm Hg(4) A-Pulmonary vein takes impure blood from

body parts, PO2=60 mm Hg/-JThe most abun-ant i@radular cation is1 Ca+

(2) H +(3) K -7,/

During seed germination its stored food is m obiiedf l by: i1) Cytokinin

(2) ABA(3) Gibberellin,(4) Ethylene

\ 117. Secondary productivity is rate of formation of new1) B -Blind spot- has only a few rods and organic matter by

(2) C- Aqueous chamber - reflects the light whichdoes not pass through the lens.(3) D - Choroid - its anterior part forms ciliarybody.(4) A - Retina contains photo receptors - rods.- and cones.Which of the following are correctly matched withrespect to their taxonomic classification?(l-entipede, millipede, spider, scorpion-Insecta(2) House fly, butterfly, tsetsefly, silverfish-Insecta(3) Spiny anteater, sea urchin, sea cucumber-Echinodermata4) Flying fish, cuttleflsh, silverfish - Pisces

1) Parasite(2) consumer 1(3) Decomposer(4) Producer

he colonies of recombinant bacteria appear whitel : X n contrast to blue colonies of non-recombinantbacteria because of a

1) Insertional inactivation of alpha: 3galactosidase in non-recombinant bacteria

p(2) Insert ional inac tivat ion of alpha-'galactosidase in recombinant bacteria

(3) Inac tivat ion of glycosidase enzym e inrecombinant bacteria(w Non-recombinant bacteria containing beta-galactosidase



13/19

3h of the following Bt crops is being grown in

India by the farmers?

fascicular cambium develops from the cells of :

Endodermis t

hich one of the following is not the function of(1) secretes estrogen.

arbon dioxide andwaste material from embryo.

3) /secretes oxytocin during parturition.(4) facilitates supply of oxygen and nutrients to

122. Which of the metabolites is common to respiration-mediated breakdown of fats, carbohydrates and(1) Fructose 1,6 - bisphosphate(2) Pyruvic ac id,(3) Acetyl CoA(4) Glucose - 6 - phosphate

23. According to Darwin, the organic evolution is duep;;terspecific competition.2) Competition within closely related species.(3) Reduced feeding efficiency in one species dueto the presence of interfering species

126. Macro molecule chitin is :(1) phosphorus containing polysaccharide2) sulphur containing yolysacc haride(3) simple po ly ~c ha ri de

(4) gen containing polysaccharide127. The H-zone in the skeletal muscle fibre is due

neet ug 2013 question paper

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