SSB Odisha Lecturer 2018: Lecturer recruitment for non-government aided colleges, Zoology
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DO NOT OPEN THIS TEST BOOKLET UNTIL YOU ARE ASKEi] TC D.-, SI.,i
TEST BOOKLET sr. No, f 0l 6 0
Subject Code : 28 @",
LECTURERS FOR NON.GOVT. AIDED COLLEGES OF ODISHA
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RS - 10/28 (Turn over
2-s\B
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1 The members of which of the (C) Turbellaria
following phylum are parasites in red (D) Monogenea
blood cells of vertebrates :
5. The disease "Bilharzia" which is
(A) Ciliophora common in China and Middle East
(B) Apicomplexa is caused by:
(C) Dinoflagellata (A) Blood fluke Schistosoma
(D) Axostylata
(B) Wuchereria
2. What is the infectious stage of (C) Taenia saginata
Plasmodium sp. which infects (D) Planaria
human ?
6 The filarial parasite is transmittred
(A) Merozoites
by:
(B) Trophozoites (A) FemaleAedes
(C) Sporozoites (B) Female Culex
(D) Gametocytes (C) MaleAnopheles
(D) MaleAedes
3 What is the correct sequence of life
7 Book lungs are respiratory organs of :
cycle of a liverfluke ?
(A) Egg, redia, cercaria, metacer- (A) Crustaceans
(B) Beetles
caria, sporocyst, miracidium,
(C) Arachnids
adult
(D) Peripatus
(B) Egg, miracidium, redia,
8 Find the odd on6 out:
sporocyst, cercaria, metacer-
caria, adult
(A) Nauplius, Cypris, Zoea'"
(C) Egg, miracidium, sporocyst, (B) Mysis,Megalopa,Allima
redia, cercaria, metacercaria,
(C) Nauplius, Cypris, Kentrogen
adult
(D) Nauplius, Cypris, Trochophore
(D) Egg, redia, miracidium, I ldentify the lncorrect statement :
sporocyst, cercaria, metacer- (A) Flame cells are excretory organ
caria, adult of Planaria
(B) Flame cells are so named
4. Which of the following classes of because of the flagetla of the
Platyhelminthes is exclusively cell resemble flame
" endoparasitic ? (C) Flame celh:are agglegated to
(A) Trematoda form a kidney shaped organ
(B) Cestoda (D) Molluscs excrete through organ
of Bojanus
RS - 10t28 (2) Contd
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10. Which of the following organisms (C) Sea star
neither have notochord nor vertebral
column in the adult stage ? 15. ldentifftheCORRECTstatement:
(A) Cephatochordates (A) Whales can shut down half of
-
(B) Herdmania . their brain, while the other half
remain active
(C) Petromyzon
(B) Whales have blubberthat helps
(D) Bdellostoma in perception of vibration during
echolocation and it keep them
11 . Which of the following is a vertebrate warm
organism ? (C) Whales have the same rate of
.'.',1r','f i.-1'-'1i '' --',J-" ' ' r l.',!,-.'t ".
(A) Cuttlefish gas exchange in lungs like
(B) Drivilfish human only they have much
Iarger lungs
(C) Globe fish (A) Whales can totally fall asleep
(D) Cryfish . belowthewaterfor t hour
12. Hepatic portal system is present in 16. The pneumatic bones are charac-
teristic of :
all:
(A) Amphibians
(A) Amniotes only
(B) Reptiles
(B) Anamnotes (C) Aves
(C) Amniotes and anamniotes (D) Aquatic Mammals
(D) Amniotes, anamniotes and in
17. Hallux is :
some tunicates
(A) Type of feather in birds
13. Auricularia is the larva of : (B) .Aflightless bird
(A) Holotlqroidea (C) First digit of hindlimb of birds
(B) Asteroidea , (D) A carnivorous bird'
(C) Ophiuroidea 18. ldentifythe lNCORRECTstatement :
(D) Echinoidea (A) Birds have airsacs attached to
their lungs
14. Bipinnaria larva is found in the (B) Birds have heterocoelbus
vertebrae
',' ',deyelgptnen$Of ,:r:, .,r;r^:l-l ':r'
(C) Some birds can fly backwards
(A) $ar lilly (D) Allbirds have onlyone ovaryto
(B)' Sea cucumber reduce theirweight
RS - 10t28 (3) (Tum over)
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19. Read the statements and choosethe (B) Blastopore which becomes
correct series of statements : anus
(1) lchthyophis coils around (C) Post analtail
their eggs to protect them
(D) Bilateralsymmetry
(2) lchthyophis is a reptile
(3) lchthyophis lives in 23. Corals are most closely related to'
- bunow which group ?
(4) Foam nests are example (A) Freshwater hydras
of parental care (B) Sea anemones
(5) Rhacophorusbuildsfoam (C) Sponges
nests
(D) Barnacles : .l
(6) Parental care is not
naturally selected 24. Which characteristic is shared by
(A) (1), (2), (3), (4), (5), (6) both cnidarians and flatworms ?
(B) (2), (4), (5), (6) (A) Dorsoventrallyflattened bodies
(c) (1), (3), (4), (5) (B) Flame bulbs
(D) (1), (2), (3), (4), (6)
(C) Radialsymmetry
20. Which group's member have both (D) Adigestivesystbmwithasingle
gills and lungs during their adult-
openlng
hood ?
(A) Lancelets 25. An organism that has only behavioral
(B) Lungfishes contrsls over its body,tenrperatUre is
(C) Sharks, skates, rays the:
(D) Amphibian (A) Green frog
21. A character first observed in (B) Penguin
pmergence and evolution of earliest (C) Bluefin tuna
tetrapods was : (D) Graywolf
(A) Appearance of feet with digits
(B) Appearance ofjaws 26. Hibernation and estivation are both
(C) Appearance of bonyvertebrate examples of :
(D) The ability to swim like fishes (A) Acclimatization
22. Which characteristic separate (B)' Torpor ,.....
- \ | , .r )
chordates from allother animals ?' (C) Evaporativecooling
(A) True coelom (D) Non-shiveringthermogenesis
RS - 10/28 (4) Contd
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27 . Extracellular compartmentalization of (C) No drinking of water
digestive processes is an (D) Gain of waterthrough food
evolutionary adaptation in many
animal phyla. Which of the following 31. Birds excrete uric acid as their
phyla is correctly paired with the nitrogenous. waste because uric
compartment that fi rst evolved in that acid :
phylum ? (A) ls readily soluble in water
(A) Mollusca - large intestine (B) ls metabolically less expensive
(B) Arthropoda - stomach to synthesize than other
(C) Annelida - complete alimentary excretory products
canal (C) Requires little water for
(D) Cnidaria -gastrwascularcavity nitrogenous waste disposal
which is condtrcive to the
28. Which of the following are the only function of flight in terms of
vertebrates in which blood flows
weight
directly from respiratory organs to
body tissue without first returning to
(D) Excretion allows birds to live in
the heart ? desert environments
(A) Amphibians 32. Which structure.increases the
(B) Birds reabsorption of Na+ when
(C) Fishes stimulated by aldosterone ?
(D) Reptiles (A) Loop of Hehle
29.';A person witha tidal volume of 450
(B) Bowman's capsule
mL, a vitalcapacity of 4,000 mL and (C) Proximaltubule
a residualvolume of 1,000 mLwould (D) Distaltubules
have a potentialtotal lung capacity
of:
33. The heartworms that can accumulate
within the hearts of dogs and other
(A) 4,000 mL mammals have a pseudocoelom, an
(B) 4,450 mL alimentary canal, and an outer
(C) 5,000 mL covering that.is occasionally shed. To
(D) .5,450 mL which phylum does the heartworm
belong ?
30. Which features of osmoregulation is
found in both marine and fresh water (A) Platyhelminthes
(B) Nematoda
(A) Loss of waterthrough the gills (C) Acoela
(B) Gain of saltthrough the gills (D) Annelida
RS - 10t28 (5) ( Turn over )
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34. How many unique gametes could be 38. The lactose operon is likely to be
produced through independent transcribed when :
assortment by an individualwith the (A) There is more glucose in the cell
genotype AaBbGCDdEE ? than lactose
(A) 4 (B) The cyclicAMP levels are low
(B) 8 (C) There is glucose but no lactose
' (c) 16 in the cell
(D) 32 (D) The cyclic AMP and lactose
levels are both high within the
35. When crossing an organism that is cell
homozygous recessive for a single
39. Penicillin is an antibiotic that inhibits
traitwith a heterozygote, what is the enzymes from catalyzing the
chance of producing an offspring synthesis of peptidoglycan, so which
with the homozygous recessive prokaryotes should be most
phenotype ? vulnerable to inhibition of penincillin ?
(A) 0% (A) Mycoplasmas
(B) 25o/o (B) Gram-positivebacteria
(C) 5Oo/o (C) Gram-negative bacteria
(D) 75% (D) Endospore-bearing bacteria
36. A particular triplet of bases in the 40. Which of the following is an important
template strand of DNAis S'AGT3'. source of endotoxin in gram-negative
The corresponding codon for the species ?
mRNAtranscribed is: (A) Endespg.lP.,
(A) 3'UCA 5' (B) Sex pilus
(B) 3'UGA 5' (C) Flagellum
(c) 5'TCA 3' (D) Cellwall
(D) 3'ACU 5' 41. Which of the following statements is
nottrue ?
37. Transcription in eukaryotes requires (A) Archaea and bacteria have
which of the following in addition to
. RNA polymerase ?
d ifferent membrarle lipids
(B) Both archaea and bacteria
(A) The protein product of the generally lack membrane-
promoter enclosed organelles
-
(B) Start and stop condons (C) The cellwalls of archaea lack
(C) Ribosomes and IRNA peptidoglycan
(D) Several transcription factors (D) Only bacteria have histones
(rF:) associated with DNA
RS-10t28 (6) Contd
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42. A features common to all trans- (O) Regulate cell cycle
membrane proteins is: progression at G1
(A) A phosphorylated exterior (R) Synthesis is controlled by
domain p53 protein
(B) A structure consisting Beta- (S) ls a cyclin dependent
sheets kinase
(C) An arnino acid sequence rich (A) (P), (O)and (R)
in acidic residues (B) (O), (R) and (S)
(D) An alpha helicalregion of about (C) (P), (R)and (S)
20 to 25 hydrophobic amino (D) (P), (Q), (R) and (S)
acids
45. Most human cells are diploid with total
43. A protein that has not been DNAcontentof 2C. The DNAcontent
synthesi2ed by membrane free increases to 4C before the onset of
ribosomes in cytosol : mitosis. At anaphase, the DNA
(P) Most likelysynthesized in content of each clusterwillbe :
smooth endoplasmic (A) 4c
reticulum (B) 2c
(O) Most likelysynthesized by (c) 1c
ribosomes attached with (D) 3c
rough endoplasmic
reticulum '. '
46. Cellcycle is controlled by:
- (R) Enters through the trans (P) Change in the concen-
face of endoplasmic fration of CDKs
reticulum
(O) Change in the concen-
tration of cyclins
(S) Enter into the Golgi
complex from cis face
(R) Change in the concen-
tration of cyclins and
(A) (P) only CDKs
(B) (P) and (R) (S) Change in activity of
.
(c) (a) and (S) CDKs
(D) (a) and (R)
--','.,irr'"
(A) (P) and (a)
^ i..-1,-', i r/ : i'.,',
44. The p21 protein :
(B) (a) and (R)
(P) ls a cyclin dependent (C) (a) and (s)
kinase inhibitor (CKl) (D) (O), (R) and (S)
RS - 10/28 (7) (Tum over)
Text of page 8
47. An antimicrobial agent that can be (C) Addition of CCA sequence at
used as an antifungaldrug because 3'end
of its ability to bind to sterols in the (D) Chemical modification of
membrane and change membrane bases
fluidity is :
51. Approximatemolecularweight(KDa)
(A) Amphotericin B of the product after translation of 390
(B) Chloramcihenicol bases mRNAwillbe:
(C) Streptomycin (A) 48
(D) Rifampicin (B) 26
48.. How are the eight human globin
(c) 3e
genes are organized ? (D) 14
(A) They are randomly distributed 52. C-value paradoxsuggests us about :
on the human chromosomes (A) Collinearity between genome
(B) Theyare present in two clusters, size complexity of organisms
one on chromosome 11 and the (B) Non-collinearity between
otheron chromosome 16 genome size and complexity of
(C) They are in single cluster on X organism
chromosome (C) Dosagecompensation
(D) Theyare in fourclusters, altriha, (D) Numberofchromosome
beta, gamma and delta
53. Which of the commontc both'E. Coli
and Eukaryotic chromosomes ?
(A) Moves in the direction (A) DNA is circular
opposite of the replication fork (B) DNA is negatively supercoiled
(B) Binds with the template of the (C) DNA is contained in the nucleus
leading strand (D) DNA is packaged into nucleo-
(C) ls a hexameric protein with some
' ATPase activity
54. P element:
(D) Catalyzes formation of prim'er (A) ls a transposon
50. Which of thefollowing eventdoes not (B) Has a role in hybrid dysgenesis
occurduring pre tRNA processing ? (C) Occurs', in Drosgphila
(A) 5'end cleavage by RNaseP melanogaster
(B) Addition of polyAsite (D) Allof these are correct
RS - 10t28 (8) Contd
Text of page 9
55. Dosage compensation in Drosophila (O) Homodimer or hetero-
is achieved by: . dimer
(A) Hypoactivation of both X (R) Present in transcription
chromosome in female factors - Fos and Jun
(B) Hyperactivation of Y chromo- (S) Present in steroid
some in male
receptors
(C) Hyperactivation of maternal
(A) (P) only
chromosome in female
(D) Hyperactivation of paternal (B) (P), (O) and (R)
chromosome in male (C) (O), (R) and (S)
56. ln bacteria, which enzyme binds (D) (P) and (S)
single-standard DNA, denatures 59 What is the chemical mechanism by
double-stranded DNA and matches which cells make polymers from
the single standed DNA with monomers ?
complementary denatured DNA ?
(A) Phosphodiesterlinkages
(A) RecA
(B) Hydrolysis
(B) Rec BCD
(C) Dehydrationreactions
(C) UvTABC
.:.,.i .-1D).'_ uvrD.,",.' (D) The formation of disulfide
bridges between monomers
57. A leader sequence in an mRNA of
' eukaryotes can be found :
60 Which of the following is true of
(A) Afterthe'stop'codon cellulose ?
(B) Between transcriptional start (A) lt is a polymer composed of
. site and translational start site sucrose monomers
(C) Within the first exon (B) lt is a storage polysaccharide
(D) ln the exon-intron boundaries for energy in plant cells
58. Which of the following statements is/ (C) lt is a storage polysaccharide
i ; r-'ln
OrE. Udrredt' abbi.rt leucine zipper for energy in animal eells
'.
motif ? (D) It is a major structural
(P) A DNA binding motif component of plant cellwalls
RS-10/28 (e) (Turn over )
Text of page 10
61. Which of the following correctly lists 65. Which of the following factors would
the order in which cellular compo- tend tb increase membrane fluidity ?
nents will be found in the pelletwhen (A) A greater proportion of
homogenized cells are treated with unsaturated phospholipids
increasingly rapid spins in a (B) A greater proportion of
centrifuge ?
saturated phospholipids
(A) Ribosomes, nucleus, mito- (C) A relatively high protein content
chondria
in the membrane
(B) Chloroplasts, ribosomes, (D) A greater proportion of
vacuoles
relatively large glycolipids
(C) Nucleus, ribosomes, chloro- compared with lipids having
plasts
smaller molecular masses
(D) Nucleus, mitochondria, ribo-
SOMES 66. Chromatids are separated from each
other'.
62. The liver is involved in detoxification (A) The statement is true for
of ?nany poisons and drugs. Which
meiosis lonty
of thefollowing structures is primarily
involved in this process and therefore (B) The statement is true for
abundant in livercells ? meiosis llonly
(A) Rough ER (C) The statementistrueformitosis
(B) Smooth ER and meiosis I
(C) Golgiapparatus (D) Thestatementistrueformitosis
(D) Transport vesicles :'-'ir
63. Which of the following contains 67. Which of the "']''"
following hormone is
involved in regulating the water-salt
. enzymes that transfer hydrogen from
various substrates to orygen ? balance in the blood ?
(A) Lysosome (A) Cortisone
(B) Mitochondrion (B) Aldosterone
(C) Golgiapparatus (c) ADH
(D) Peroxisome (D) ANH
64. Which of the following contain the 68. ln proteins, N-linked oligosa-
9 + 2 arrangement of microtubules ? ccharides are attached to :
' (A). Cilia (A) Glutamine
,
(B) Centrioles (B) Arginine i-r't 1{i)
(C) Flagella (C) Asparagine
(D) (A) and (C) only (D) Lysine
RS - 10128 (10) Contd
Text of page 11
69 Which of the following is a correct 73. Which moiety of haemoglobin mole-
statement about NK cell ? cule binds 2, 3 BPG at pH 7.00 ?
(A) They proliferate in response to (A) Amino terminal
antigen (B) Carboxylicterminal
(B) They kill target cells by (C) Sulfhydralgroup
phagocytosis and intracellular
(D) Alcoholic terminal
digestion
(C) They are a subset of polymor- 74. Most of the CO, that is transported
phonuclearcells in blood :
(D) They kill target cells in an (A) ls dissolved in the plasma
extracelluar fashion (B) ls bound to haemoglobin
(C) ls in carbonic acid
70. Cell-mediated immune responses
are: (D) ls in bicarbonate ion
(A) Enhanced by depletion of 75. The correct sequence for sperm
complement migration afterits production in testes
(B) Suppressed by corticosteroids is:
(c) Enhanced by depletion of T- (A) Seminiferous tubule -)
cells epididymis -+vas deferens -+
urethra
(D) Enhanced by depletion of
macrophages (B) Urethra --+ vas deferens -+
epididymis -+ seminiferous
71. The internal pacemaker that sets tubule
biological rhythms :
(C) Epididymis -+vas deferens -r
(A) ls located in the brain u reth ra -+ semin iferous tubule
(B) ls located in the heart (D) Seminiferous tubule -+ vas
(C) Does not function in the deferens + epididymis -+
absence of light urethra
(D) Both (B) and (C)
76. Chorionic gonadotropin hormone,
72. Compound with systemic arterial synthesized in placenta, plays an
blood, pulmonary arterial blood has impoftant role in the establishment
a higher: and maintenance of pregnancy in :
(A) Oxygen content (A) Cows
(B) pH (B) Humans
(C) Bicarbonate ion concentration (C) Goats
(D) Hb concentration (D) Rodents
RS - 10/28 ( 11 ) ( Turn over )
Text of page 12
i! 'Ihe first amino
acid in polypeptide 81. CD8 marker is expressed on the
rhairr is : surface of :
(A) Serine (A) HelperTcells
(B) Valine (B) Cytotoxic T cells
(C) lVethionine (C) Both Helper and Cytotoxic T
(D) Leucine cells
(D) B cells
;'8. Each individual antigenic deter-
minant of the variable region of the 82. Which one of the following reagents
antibody is referred to as : can be used to distinguish between
(A) Paratope single-stranded DNA and single-
stranded RNA in solution ?
(B) Epitope
(A) Sulphuric acid
(C) Agretope
(B) Potassiumhydroxide
(D) ldiotope
(C) Sodiumdodecylsulphate
'i9. Haptens:
(D) Sodiumdeoxycholate
(A) Requirecarriermoleculesto be
83. lnformation is coded in the nervous
immunogenic
system by:
(B) React with specific antibodies
(A) The duration of action
potentials
employed
(B) The amplitude of action
(C) lnteract with specific antibody potentials
even if the haptens are
(C) The location of action
monovalent
potentials in the neuron,
(D) Allof these
(D) The frequency of action
80. The clonal selection theory best potentials
accountfor:
84. Specialized antigen presenting cells
(A) The production of memory cell are
(B) The mechanism whereby (A) CD4+andCDS+Tcells
antigen and antibody unite
(B) B cells, macrophages and
(C) The maturation of B-cells into dendritic cells
- pt_asma cell
(c) Neutrcphils and CD4 + cells
(D) The specificity of the immune (D) Natural killercells and dendritic
tesponse
cells
(12) Contd
Text of page 13
85. Which of the following is NOT (B) Arginine
INVOLVED in the quaternary (C) Aspartic Acid
association of haemoglobin (D) Tryptophan
molecules ?
(A) Disulphide bond 90. Which of the foliowing is not true
about cortisol ?
(B) Hydrogen bond
(A) lt decreases the circulatory
(C) Hydrophobicinteraction lymphocytes
(D) Electrostaticinteraction (B) lt increases the circulatory
86. The immunoglobulin that can be eosinophils
transported across the placenta to (C) lt decreases the production of
confer immunity to the foetus in prostaglandin
mammals is: (D) lt inhibits the production of
(A) lgG fibroblasts
(B) lgM 91. Numberof nucleotide present in FMN
(C) lgE is:
(D) lgD (A) TWo
(B) One
87. Ganadotropin releasing hormone is
the key mediatorof the reproductive
(C) Four
processes in mammals. tt is (D) Zero
synthesized by: 92. The conformation of nucleotide in
(A) Ganadotrophs DNA is affected by rotation about how
(B) Hypothalamus many bonds ?
(C) Medulla oblongata (A) 7
(D) Gonads (B) 6
(c) 4
88. Which test is commonly used to (D) 3
identify a reducing sugar ?
(A) lodine test 93. A nerve contains axons of different
types. The velocity of action potential
(B) Benedict's test propagation willbe :
(C) Blurcttest
(A) The highest in an unmyelinated
(D) Emulsion test thin axon
89. Which of the following amino acid (B) The highest in a thick
side chain is mostfrequently used for myelinated axon
binding metal ion by protein (C) Thehighestinathin myelinated
molecules ? 'axon
(A) lsoleucine (D) The same in allaxonaltypes
RS - 10128 ( 13 ) (Turn over)
.(
Text of page 14
94. The set of amino acid residues that 98. Which of the following occurs first
can be phosphorylated in proteins is : during T cell activation ?
(A) Histidine, serine, threonine (A) lL-2 production
(B) Histidine,lysine,phenylalanine (B) Cellsurface expression of the
(C) Arginine, serine, tyrosine high affinity lL-2 receptor
(D) Tyrosine, asparagine, gluta- (C) lncrease in cytosolic calcium
mine
(D) lnterferon-gammaproduction
95. ln addition to adjuvant, generation of
anti-hapten antibodies will require :
99. What is reabsorbed through loop of
Henle ?
(A) Addition of the hapten into the
mice
(A) Glucose
(B) lnjection of mixture of hapten (B) CO,
and proteins into mice (C) Potassium
(C) lnjectiqn of hapten covalently (D) Water
coupled with a protein into
100. Sequence of taxonomic categories
mice
is:
(D) lnjection of a mixture of hapten
and lipid into mice
(A) Class-Phylum-Tribe-Order
Family-Genus-Species
96. The carbon and nitrogen atoms inthe (B) Division-Class-Family-Tribe-
pyrimidine ring system are derived
Order-Genus-Species
from:
(A) Glycine and carbamoyl (C) Division-CIasi-Order-faniiiy-
phosphate
Tribe-Genus-Species
(B) Aspartate and glycine (D) Phylum-Order-Class-Tribe-
Family-Genus-Species
(C) Glutamine and glycine
(D) Aspartate and carbomoyl 10'l . Phenetic classification is based on :
phosphate (A) The ancestral lineage of
97 . Which part of the brain is involved in existing organisms
motor control ? (B) Observable characteristics of
(A) Amygdala existing organisms
(B) Prefrontalcortex (C) Dendrograms based of DNA
(C) Hippocampus characteristics
(D) Cerebellum (D) Sexualcharacteristics
RS - 10/28 (14) Contd
Text of page 15
102. ln same geographical region, if new 106. Correct-sequence of cell stage in
species evolve from a single spermatogenesis
ancestral species than speciation, (A) Spermatocytes - spermatids -
known as: spermatogon ia - spermatozoa
(A) Sympatricspeciation (B) Spermatogonia-spermatids-
(B) Allopatricspeciation spermatocytes - spermatozoa
(C) Parapatricspeciation (C) Spermatogonia - sperma-
(D) Speciation tocytes spermatids
spermatozoa
103. The chief merit of Bentham and (D) Spermatocytes - sperma-
Hookers classification is that : togonia spermatid.s
(A) lt is a natural system of classi- spermatozoa
fication of all groups of plants
(B)
'A system based, on 107. The nervous system, epidermis and
' hairs and nails are derivatives of :
evolutionary concept
(A) Endoderm
(C) lt also considered the (B) Mesoderm
phylogenetic aspect
(C) Ectoderm
(D) The description of taxa are
(D) Chordomesoderm
based on actualexamination of
the specimens 108. Amphibian oopytes remain foryears
in the diplotene stage of meiotic
104. Classical taxonomy is also termed
prophase.' Resumption of meiosis is
(A) Betataxonomy initiated by:
(B) Systematic (A) Gonadotropichormone
(C) Descriptivetaxonomy (B) Growth hormone
(D) Experimentaltaxonomy (C) Oestrogen
105. The cytoplasm surrounding the (D) Progesterone
mitochondria found in the middle 109. The hormone lnhibin selectively
piece of the sperm is called :
inhibits:
(A) Acrosome (A) Luteinizinghormone
:,,'. (B) Centrosome (B) Follicle stimulating hormone
(C) Microsome (C) Thyorid stimulating hormone
(D) Manchette (D) GroMh hormone
RS - 10/28 ( 15 ) (Turn over)
Text of page 16
110. ln human beings which part shows (C) The reinitiation of division in
the maximum increase in weightfrom existing cells, foilowed by
birth to adulthood ? patterning, as occurs in
amphibians such as neMs
(A) Brain
(B) Fat (D) Repatterning of existing cells,
as occurs in amphibians
(C) Muscles
113. Relative to the primitive streak and
(D) Skeleton
Henson's node, somite formation in
111. lf the nerve supply to a neM limb is the chick embryo occuts :
severed before amputation, how will. (A) Anterior to Henson's node,
this affect regeneration ? after the primitive steak has
(A) lt will have no effect, since retracted past that point
regeneration involves growth of . (B) Posteriorto Henson's node, as
new muscle, bone and cells from the lateral portions of
connective tissue the epiblast move in through the
primitive str'eak to become
(B) A blastema willform butwill not
mesoderm
groq and regeneration willfail
(C) Adjacentto Henson's node, as
(C) Outgrowth will occur, but the
the primitive streak migrates
identity of tne limb will be lost
toward the anterior of the
and normal proximo-distal embryo
patterning will not occur
(D) Somite formation occurs
(D) No regeneration occurs, and simultaneously along the axis
the stump heals over,as itwould after Henson's node has fully
in a mammal retracted
112. Epimorphbsis is regeneration 114. Which of the following is NOT
through: involved in left-right asymmetry of
(A) Repatterning of existing cells, vertebrates ?
as occurs in Hydra (A) Calcium signalling
(B) The reinitiation of division in (B) Nodal
existing cells, followed by (C) Epidermalgrowthfactor
patterning, as occurs in Hydra (D) Sonic hedgehog
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Text of page 17
115. ln animals; embryonic stem cells 118. Species selected for making
differfrom adult stem cells in that:. conservation-related decisions,
(A) Embryonic stem cells are typically because protecting these
species indirectly protects the many
totipotent, and adult stem cells
other species that make up the
are pluripotent ecological cornmun.ity of its habitat,
(B) Embryonic stem cells are are called :
pluripotent, and adult stem (A) Keystone species
cells are totipotent (B) Flagship species
(C) Embryonic stem cells have (C) Umbrella spebies
more genes than adult stem (D) lndicatorspecies
cells
119. Which of following is produced when
(D) Embryonic stem cells have electrical discharges pass through
fewer genes than adult stem oxygen in air ?
cells
(A) CFCs
116. Kyoto protocol is as international (B) Methane
agreement linked to : (C) Ozone
(A) Persistant organic pollutants (D) Lead compounds
(B) Substances that deplete the 120. Which of the following is not a
ozond layer secondary pollutant ?
(C) Prevention of pollution of sea by (A) Ozone
oil (B) Carbonic aeid
. . , (D) Greenhouse gas emission (C) Sulphuric acid
reduction (D) Carbon doxied
117. Resource partitioning would be most 121. Residence time of methane in the
likelyto occur between : atomosphere is:
(A) Sympatric populations of (A) 3-7 days
species with similar ecological (B) 2-3 days
niches (C) 4-8 years
(B) Allopatric populations of (D) 2-3 years
species with sim ilar ecological 122. Major cause of SO. on global scale
niches IS:
(C) Sympatric populations of a (A) Volcanoes
predator and its prey (B) Electric sp'arks
(D) Sympatric populations of a (c) Combustion
flowering plant and its (D) Exhaust fumes of motor
specialized insect pollinator vehicles
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Text of page 18
123. The yellow colour in photochemicbl - (B) Ostrea virginiana
smog is due to presence of :
(C) Pinctada
(A) Dinitrogen oxide
(B) Nitrogen dioxide (D) Mytilus
(C) Chlorine gas 129. What is the best explanation of
(D) Qhlorine dioxide ' "Green Chemistry" ?
124. The main pollutant oi leathertianneries (A) Green Ghemist'ry is the design
in the waste water is :
of chemical products and
(A) Chromium lll processes that reduce or
(B) Chromium lV eliminate the use and
(C) Chromium V generation of hazardous
(D) Chromium Vl substances
125. The region with the highest nurhber (B) Green Chemistry is a rdsearch
of endemic species overall is:
program aimed at increasing
(A) Philippines
the use of petroleum for
(B) Madagascar
production of products other
(C) Brazil
than gasoline and jet fuei'
(D) Australia
(C) Green Chemistry refers to the
1 26. lnduced breeding technique is used
EPAs mandatory programs for
tn:
(A) Marinefishery recycling paper, glass, plastics
(B) Capture fishery and aluminum
(C) Culture fishery (D)' Green Chemistry refers to
(D) lnland fishery ' ,agricultural' practices for
127 . Who stands first in the world for pearl
growing organic vegetables
production ? without the use of pesticides
(A) lndia 130. ldentify the correct match between
(B) China
tiger reserve and its state :
(C) Korea
(D) Japan (A) Sanjay Dubri Madhya
Pradesh
128. The most valuable kind of pearl
comes from marine pearl oyster of
(B) Corbett- Mddl'iya Pradesh
Eastern Asia, it is : (C) Bandipur-Tamil Nadu
(A) Melegrina (D) Palamau - Orissa
RS - 10/28 (18) Contd
Text of page 19
131. Which endangered animal is the 135. The minimum components of an
source of the world's finest, lightest, artificial yeast ch romosome nclude
i
warmest and most expensive wool- all the following except :
the shahtoosh ? (A) Allthe histones except H1
(A) Nilsai (B) An autonomously replicating
sequence
(B) Cheetal
(C) Acentromericsequence
(C) Kashmirigoat
(D) Atelomericsequence
'(D) Chiru
136. Which of the following virus is not
132 All of the following act to increase used as gene therapy vectors ?
species diversity expcept : (A) Retrovirlrses
(A) Competitiveexclusion (B) Adeno-viruses
(B) Patchyenvironments (C) Adeno-associatedviruses
(C) Keystone predators (D) Polyomaviruses
(D) Migration of populations 137. A mixture containing two protein
having similar molecular mass but
133 Restriction end onucleases from two
different oligomeric properties can
different organisms that recognise
be separated by:
the same DNA sequence for
(A) SDS-PAGE analysis
cleavage are called :
(B) Native PAGE analysis
(A) .lsoschizomers
(C) lsoelectricfocusing
(B) Neoschizomers (D) Both (B)and (C)
(C) Concatemers
138. The Rrvalues of substancesAand B
(D) Pallindromes are 0.34 and 0.68 when chroma-
. tographed on paper. What is the ratio
a
134. Which of the following characteristics
of distances moves afterthree hours,
is undesirable in vectors ?
"toning assuming that neither substance has
(A) Self-replicating run off the paper ?
(B) High copy number (A) A: B ::2 : 1
(C) Vulnerable at several sites to a (B) 'A :8 .: 1 :2
restriction enzyme (C) A:B:: 1:1
(D) Smallin size (D) A: B::2: 3
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Text of page 20
139. Which of the following would be the (B) To determine if the sequence is
best method to separate oAT from 3lready in the DNA databases
altered 0AT ? (C) Io search forconsensus exon-
(A) Size-exclusion chroma- intron boundaries
tography (D) To determine the codon bias
(B) lon-exchangechromatography for a spefic gene
(C) Thin-layerchromatography 143. Acontrolled experiment is one that :
(D) Sucrose-gradient centri- (A) Proceeds slowly enough th6t a
fugation scientist can make careful
t
140 A a-helicalconformation of a globular records of the results
protein in solution is bestdetermlned (B) May include experimental
bywhich of thefollowing ? groups and control groups
(A) Ultraviolet-visibleabsorbance tested in parallel
spectroscopy (C) ls repeated many times to
(B) Fluorescencespectroscopy make sure the results are
accurate
(C) Electronmicroscopy
(D) Keeps all environmental
(D) Circular dichroism
variables constant
141. The tertiary structure of protein is
144. Which of the following statements
detected by:
best d istinguishes hypotheses frorn
(A) X-ray diffraction/crystallo- theories in science ?
graphy
(A) Theories are hypotheses that
(B) Spectrophotometry have been proved
(C) Electrophoresis (B) Hypotheses are guesses ;,
(D) Chromatography theories are correct answers
142. What is the purpose of performing a (C) Hypotheses usually are
homology search with a DNA relatively narrow in scope ;
sequence ? theories have broad
(A) To determine if any genes with explanatory power'
similar sequences are present (D) Hypotheses and theories are
in the DNA databases essentially the same thing
RS - 10/28 ( 20 ) Contd
Text of page 21
145. Which of the following is an example (B) Northern blotting
of qualitative data ?
(C) Western blotting
(A) The temperature decreased
(D) Eastern blotting
from 20oC to 1SoC
(B) The contents of the stomach 149. Sow bugs become more active in dry
are mixed every 20 seconds areas and less active in humid areas.
(C) The fish swam in a zig-zag This is an example of :
motion
(A) Taxis
(D) The six pairs of robins hatched
(B) Tropism
an average of three chicks
(C) Kinesis
146. The fact that plants can be cloned
from somatic cells demonstrates
(D) Cognition
that: 1 50. Every morning atthesametime, John
'(A) Differentiated cells retain allthe went into the den to feed his new
genes of the zygote
tropical fish. After a few weeks, he
(B) Genes are lost during noticed that the fish swam to the top
differentiation
of the tank when he entered the
(C) The differentiated staie is room. This is an example of :
normallyvery unstable
' (D) Differentiated cells contain (A) Habituation
..,.... fnagKeq mRNA (B) lmprinting
147. A student wishes to clone a (C) Classicalconditioning
sequence of DNA of-200 kb. Which (D) Operantconditioning
vector be appropriate ?
151. The integration of T-DNAis the plant
(A) A plasmid
nuclear genome is most likely due
(B) A typical bacteriophage
to:
(C) a BAC
(A) Homologousrecombination
(D) A plantvirus
(B) Non-homologous recom-
148. Which describes the transfer of
bination
polypeptide sequences to a
membrane to analyse gene (C) Non-homologous end joining
expression ? (D) Single-stranded recombination
(A) Southem blotting during transcription
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Text of page 22
152. When the gene and the promoter 1 56. N-terminal amino acids are usually
used for modification of a plant using determined by Sanger's method
teansformation tecfinology are using :
derived from sexually compatible
(A) Ninhydrin reagent
species, the modified plant thus
(B) 2,4 dinitrobenzene
; g€t]€rated is known aS a :
(A) Cisgenic plant (C) Hydrazine
(B) Selfgenic plant (D) Concentrated Nitric acid
(C) lntragenic plant 157. A technique for defining gene
(D) Hemilogous plant arrangement is very long stretches of
DNA (50-100Kb) is :
153. Which one of the following reporter
genes can be used for real-time (A) RFLP '
visualization of living cells/tissues in (B) Chromosome walking
transgenic plants ?
(C) Nicktranslation
(A) Gus
(D) Southern blotting
(B) Gfp
58. The best way to demonstrate whether
(C) Cat 1
nuclear DNA is being replicated in a'
(D) Beta-galactosidase
cell is by:
154. Which one.of the following is a
(A) Phase-contrastMicroscopy
frequently used radio-opaque dye?
(B) Thin layer Chromatography
(A) Barium chloride
(B) Barium sulphate (C) GelElectrophoresis
(C) Barium nitrite (D) Autoradiography
(D) Barium iodide 1 59. Which microbe has been used
against insect plant pathogen ?
155. Circadian rhythms are controlled by :
(A) Medulla (A) Agrobacteriurn tumefaciens
(B) Pituitary gland (B) Agrobacteriumrhizogenes
(C) Cortex (C) Bacillusthuringiensis
(D) Suprachiasmaticnucleus *r (D) Fusarium nudum
RS - 10128 (22 ) Contd.
Text of page 23
160. Scientists developed a set of 162. Antiviral drugs that have become
guidelines to address the safety of useful are usually associated with
DNA technology, Which of the which of the following properties ?
following is one of the adopted safety (A) Ability to remove all viruses
measures ? from the infected host'
(A) Microorganisms used in (B) lnterference with the viral
recombinant DNA experiments reproduction
are genticallycrippled to ensure (C) Prevention of the host from
that they cannot survive outside becoming infected
of the laboratory (D) Removalof viral proteins
(B) Genetically modified 163. An opticaldensity 1 means :
organisms are not allowed to
(A) 1o/o of the incident light is
be part of our food supply
absorbed
(C) Transgenic plants are (B) 1o/o of the incident light is
engineered so that the plant transmitted
genes cannot hybridize
(C) 90% of the incident light is
(D) Experiments involving HIV or absorbed
other potentially dangerous (D) 90% of the incident light is
' viruses have been banned transmitted
161. What is bioinformatics ? 164. Radioactive iodine can be incor-
(A) A technique using 3D images porated into:
of genes in orderto predict how (A) Serine
and when theywill be expressed
(B) Threonine
(B) A method that uses very large
(C) Tyrosine
national and international
databases to access and work (D) Neucine
with sequence information 165. Transcription initiation site can be
(C) A software program available determined by:
from NIH to design genes
(A) Footprinting
(D) A series of search programs (B) Northern blotting
that allow a student to identify
.':"'' Who in the world is trying to
(C) Primer extension ,
sequence a given species (D) Nicktranslation
IIIITITTIT!IIII
RS - 10/28 (23) (Turn over )
Text of page 24
SPACE FOR ROUGH WORK
J
l.U
RS - 10128 (2,240) (24 ) ZoologyOfficial key not published for this paper.
Page 1 of 24
Source: State Selection Board. Question paper published by State Selection Board.