KUET 2022 Question Paper M.Sc. Zoology

FOR KUET EXAM PREPARATION

KUET 2022
Question Paper · M.Sc.
Zoology
EXAM YEAR TYPE SUBJECT

KUET 2022 Question Paper M.Sc. Zoology

Notes · Sample Papers · Previous Year Papers · Mock Tests

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Sr. No. 0345
ENTRANCE TEST!2022
SCHOOL OF BIOLOGICAL SCIENCES
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ZOOLOGY
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60 c
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Question Booklet S€ries I A

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TimeAllowed
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70
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Roll No. :

ag Instructions for Candidates :
1. WriteyourEntrance Roll Number in
Test provided
rhe space top at the ofthis page ofeuestion Booklet
and fill up the necessary information in rhe spices provided on the O'Mn enslver
Street.
, 9Y.11:::::^lI:t T1T grPh"t copy and a.candidare.s copy_slued benearh ir at rhe rop. white
maKlng enlnes.tn lhe Ungrnal Copy. candidate should ensue lhat the two copies
are aligned properlv
so *at the enries made in the Original Copy againsr each irem are exactll
copied i" thFa;ri,iid;;1
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3. A;e-s in the OMR Answer Sheet, including answers to questions, are to be recorded in the Original
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4. Cioose lhe correcl /.most appropriate response lor each
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case E
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8. only those candidates who wourd obtain positive score in Entrance Test Examination sha be eligibre
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foradmission.

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9. Do not make any stray mark on the OMR sheet.
hall. e
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provid€d with thel question booklet.
10. Calculators andmobiles shall not be permitted inside the examination

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a mutilated in which
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on the blalk
be done sheets

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be y and be or case it

13. Ensure that your OMR Answer Sheet has been signed by the Invigilator
and the candidate himsellT
herself
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l. Regulator gene controls chemical synthesis 6. Which of the following metamorphosis is
(Operon Concept) by : obseryed in the case of the houseflY ?

(A) Inhibiting transcription of mRNA (A) Complete metamorphosis
(B) Inhibiting enzymes (B) Gradual metamorphosis
(C) Inhibiting passage of nRNA (C) Incomplete metamoryhosis
(D) lnhibiting substrate enzyme reaction (D) Neometamorphosis
2. Shorttones of5 clawed fingers with phalangeal 7. Which of the following effects are not true about
formula 2, 3, 3, 3, 3 is found in : torsion ? l
(A) Frog (A) Mantle cavity opens just behind the head
(B) Lizard (B) The alimentary canal is thrown into a loop
(C) Pigeon (C) Coil ofvisceral sac and shell remains dorsal
(D) Rabbit or exogastric

3. Pbctodeum opens at the base of the tail ventrally
(D) Uncoiled pleuro-visceral nerue connectives
become twisted
by a transverse slit with tumid lips in case of:
(A) Colunba 8' To which of the following class Feather star
and Sea lilly belong to ?
(B) Urcmostix
(A) Holothuroidea
(C) Rana tigina
(B) Echinoidea
(D) Scoliodon
(C) Asteroidea
4. Which ofthe following locomotor organelles of
protozoa are filamentous, formiog bmnches, and (D) Crinoidea
are inter-conngated profusely to form a network- 9. Which of the following has fish like laterally
like structure ? compressed shape ?
(A) Lobopodia (A) Branchiostoma
(B) Filopodia (B) Herdmania
(C) Axopodia (C) Balanoglossus
(D) Reticulopodia (D) Both (A) & (c)
5. Which grade of the leucon type of canal system 10, Ear in Petromyzon possess :
is found in Spongilla ?
(A) 3 semiciecular ducts
(A) Eurypylous
(B) 2 semiciecular ducts
(B) Apodal
(C) I semiciecular duct
(C) Diplodal
'' (D) No semiciecular ducts
(D) Both (A) md (C)

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11. Neocerctodus is '. 16. Small soft and wooly feathers without rachis
(A) African lungfish are :

(B) Arnerican lungfish (A) Quills
(C) Australian lungfish (B) Filoplumes

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(D) Asian lungfish (C) Down feathers

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(D) Tactile feathers
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12. Which one ofthe following is present in sharks ?

n. The gall bladder in the case of Scoliodonsise
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(A) Operculum
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(B) Air bladder
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(A) Y shaped thin-walled
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(C) Ganoid scales (B) Large sphedcal greenish
(D) Scroll valve (C) Elongated dark green
13. which ofthe following Medusoid individual is
(D) Absent
usually leaf-like studded with nematocysts ?
(A) Nectocallx
l8' Which of the following animal has the most
efficient lungs among vertebrates ?

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(B) Pneumatophore

c. (B)
(A) Anphibians
(C) Phyllozoid

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(D) Gonophore

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t4. Which ofthe following is true about aysticercus ?
(A) It leads an active life in the body of a pig (D) Mammals
(B) In pig's body it remains viable for only a 19' The recepto$ fo! touah present in the skin are
few days called :

(C) It develops into an adult when ingested by (A) Meissner's corpuscles
hunan (B) Krause's end bulbs

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(D) It is charaatcrized by the absence of vesicles
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(C) Pacinian corpuscles
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co are glued to the body as parental care in (D) Corpuscles m
and scolex

15. .Eggs e
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20. Human placenta is classified

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(B) Rana clamitans (B) Epitheliochoria
(C) Rhacophorus schlegeli (C) Haemochorial
(D) Salamandra salamqndra (D) Endotheliochorial

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2t. Ifthere is no blastocoelic cavity in the blastula, 26. Fedilization does not occur in the absence of :
the smaller micromeres accumulate as a cluster
(A) Magnesium
of cells over the largely vegetally placed
macromeres. The solid blastula that results at (B) Calcium
cleavage is known as : (C) Sodium
(A) Coeloblastula (D) Potassium
(B) Stereoblastula 2'7. Ifthe secretion ofparietal cells ofgastric glalds
(C) Discoblastula is blocked by an inhibitor what will happer ?

(D) Amphiblastula (A) Pepsinpgen cannot be converted into active
pepsin in the absence of HCL secretion
22. Oviduct in vertebrates is modified :
(B) Gastric juice will be deficient in chymosin
(A) Wolffian duct
(C) Enterokinase will not be released from
(B) Urinary duct duodenal mucosa so trypsinogen will not
(C) Inguinal canal be converted into trypsin

(D) Mulle an duct (D) Gashic juice will bedeficient in pepsinogen
28' Chloride shift occurs in response to ?
23. Which of the following statements i.
regarding vertebrates ? "or.""t (A) Na-
(A) There are 12 pairs of cranial nerves rn (B) K-
anamniotes and 10 pairs in amniotes (c) H-
(B) Amphibians possess smaller olfactory lobes (D) HCO3
and larger optic lobes
29. Which of the following pairs is correctly
(C) Abducens originates from the floor of matched ?
medulla l. Uraemia : excess urea in the blood
(D) Trigeminal is the IVrr'cranial nerve 2. Hemophilia : absence ofclotting factor VIII
Calorec€ptors are the receptols for the sensatlon 3. Glycosuria : Xlinked disorder
of:
4. Hlperglycaemia : excess glucose in blood
(A) Cold
(A) l, 2 and 4 are co[eat
(B) Wannth,4rcat (B) I aad 2 are corect
(C) Pain (C) 3 and 4 are correct
(D) Touch (D) l, 3 and 4 are corect
25. Sabella is known to be :
30. Dissociation curve shifts to th€ right when :
(A) Filte! feeder (A) 02 concentration decreases
(B) Ciliary feeder (B) CO, concentation decreases
(C) Bottom dweller (C) CO, concentration increases
(D) Raptodal feeder 'r (D) Chloride concentration increases

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ll. hansmission
of 36. The.contractile protein of skeletal muscle
il;"i.:'J:i,f,:tflr%for .the
(A)AVnode>SAnode>BundlelinvolvingATPaseactivityis:
)f His >
Purkinjee fibres (A) Tropomyosin
(B) SA node > AV node > Bundle of His t (B) Mlosin
. Purkinjee fibres
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(c) d-Actinin
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(C) SA node > Bundle of His > AV node >
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(D) Troponin
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Purkinjee fibres

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(D) Av_node > Bundle of His 37. which one of the following prevents inremal
a
> SA node >

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reflection of light inside eye ?

a
Purkinjee

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32. Inlhe process oftransmission ofa nerve impulse, (A) Comea

ffJiHfl,:':;":lJr:
prasma membrane canies
(B) conjuncriva
tA) Firsr positiri. then negative. and agajn back (c) sclera
posruve (D) Choroid
(B) Firsr negative, then positive, and again
back 3g. Which of the following is protein hormone ,1
negauve
(C) First positive. then negative. and conlrnue (A) Ox)'tocin
ro be negative (B) Insulin
(c) TsHm
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(D) First negarive, then positive, and contjnue
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(D) Aotidiuretichormone

a sparalhlroid regulate
33. The theory ofevolution by natural selectlon

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39. How do hormones from the thyroid

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(A) S€lection and variation are independent
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the calcium concenrrarron
of the blood ?
(B) Selection results in generatilg vadations
(A) Calcitonin lowers blood calcium: pamthyroid
(C) Evolution is independent of valiation
normone raises blood calcium-
(D) Evolution is a rapid process
(B) Paralhlroid holmone lowers blood calcium;
The major evolutionary episode correspondlns
calcitonin raises blood calcium.
mosl {:tosety in time with the formation
of pangad
(C) Thyroxine and triiodothyronine together

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(A) Cambrian explosion regulate calcium levels, as needs dictate.

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(B) Permianextinctions (D) Both paratlroid hormone and the three throid

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(C) Pleistocene ice ages hormones function to regulate blood

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levels,

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(D) Cretaceousextinctions
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40. The blood calcium level

a (A) Nucleo-c)'toplasmic ratio
:
deficiency of :

(A) Calcitonin and parathormone
(B) Temperature
(C) Position of yolk granules (B) Calcitonin
(D) Position ofmitotic spindle ofthe dividing (C) Pa&thomone
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(D) Thlroxine

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The organs whose origin comes flom two 46. in E. coli the lac opeton gets switched on when :
embryonic layers are : (A) Lactose is present and it binds to the
1. Hypophysis replessor
2. Adrenal gland (B) Repressor binds to operator
3. Sense organs (C) RNA polymerase binds to the opemtor
4. Pancreas (D) Lactose is present and it binds to RNA
(A) l, 2 and 3 are corect polymerase

(B) 1 and 2 are corect 47 Coupling and repulsion are two faces of :

(C) 2 and 4 ate correct (A) Linkage
(D) 1 and 3 are corect (B) Crossing over
42. The monosaccharides like glucose and fructose (C) Mutation
exist : (D) Chiasmata
(A) Only in ring form 48. Short DNA fragments refened to as Okazaki
(B) Only in open straight chain pieces are synthesized during DNA replication.

(C) Both in ring and open straight-chain form The template stand for their synthesis is :

(D) None of the above (A) Each of the strands of DNA duplex
43. The mechanism of enz)me action is based on :
(B) Leading strand of DNA
(A) Michaelis and Menton (C) Lagging strand of DNA
(B) Beadle and Tatum (D) Single-stranded DNA ofvirus like q X 174
(C) Jacob and Monad 49' In the case of sexlinked (XJinked) inheritance
which ofthe following statement is inconect ?
(D) Mlson and Flemming
(A) The trait does not skip generations
44. The pyruvic acid formed during glycolysis is
oxidized to CO, and HrO in a cycle called : (B) Affected males must come from affected
mothers
(A) Calvin cycle
(C) Approximately half of the children of an
(B) Nitrogen cycle
affected heterozygous female are affected
(C) Hill reaction
(D) All sons.of the affected man are affected
(D) Kreb's cycle
50. The 3L5l phosphodiester linkages inside a
45. When acetyl-CoA accumulates in the mitochondria polynucleotide chain serve to join ;
of the liver, what will happen ? '
(A) one DNA strand with anothcr DNA strand
(A) It is used as an enetgy sorrce
(B) one nucleoside with another nucleoside
(B) It has broken down into free fatty acids
(C) one nucleotide with another nucleotide
(C) It gets converted to oxaloacetate
'' (D) one nitrogenous base with pentose sugar
(D) It forms ketone bodies

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51. ln the Lac operon syslem. p_galactosidase is
cooeo by :
56. What is true of natural selection ?
(A) a-gene (A) Natural selection is a landom process.
(B) igene (B) Natural selection creates beneficial mutations.
(C) l-gene (C) The only.way to eliminate hannful mutations

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(D) z-gene is through natural sel€ction.

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(D) Mutations occur at random; natual selection
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52. The correct gene expression pathway rs :

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can preserve and distribute beneficial
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(A) Gene > mRNA > transcriptiol > translation

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(B) Transcription > gene > translation > mRNA 57. \t/hich of the following is included in the concept
of genetic bottlenecks ?
(C) Gene > transcription > mRNA > translation (A) A loss of genetic diversity in descendent
> prctein populations
(D) Cene > tanslation > mRNA > transcdption (B) Sharing genetic material berween two
> protein populations
53. Despite some differences in the developmental (C) Extensive gene flow
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studies

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. speciatioo occurs when population
support thc concept of : (D) Incrcased ability to resist new diseases
(A) Darwinian evolution
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58. Allopatria
(B) Lamarkian evolution
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:

(C) Neo-Darwinian Evolution
(D) Vries Mutation
a (B) Ecological isolatior
54. The earliest fossil form in the phylogeny ofthe (C) Seasonal isolation
horse is :
(D) Geographic isolation
(A) Merichippus
59. Which ofthe following is a poisonous
(B) Eohippus snake ?
(A) Typhlopsbraminus
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(C) Equus

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(D) Mesohippus

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(C) L)codonaulicus

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55. A new species emerges from this geographic

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range of its ancestor as per this theory (D) Bungatuscaerulus
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,60. RBC's are nucleated in :
(A) Frog
(B) Parapatric speciation
(B) Rat
(C) Allopatric speciation
(D) None of these (C) Rabbit
(D) Cat

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