TS SET 2012: Paper III, Life Sciences
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Test Paper : III Test Booklet Serial No. : ______________________
OMR Sheet No. : ________________________________
Test Subject : LIFE SCIENCES
Hall Ticket No.
Test Subject Code : A-09-03
(Figures as per admission card)
Name & Signature of Invigilator
Name : ____________________________________ Signature : ___________________________________
Paper : III
Subject : LIFE SCIENCES
Time : 2 Hours 30 Minutes Maximum Marks : 150
Number of Pages in this Booklet : 16 Number of Questions in this Booklet : 75
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IIIO 1 A-09-03
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A0903 IIIO 2 A-09-03
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A0903
LIFE SCIENCES
Paper – III
1. The highest concentration of cystine can 5. Chylomicrons, Intermediate density
be found in lipoproteins (IDL), Low density Lipoproteins
(A) Myosin (B) Keratin (LDL) and very low density Lipoproteins
(C) Collagen (D) Spectrin all are serum Lipoproteins. What is correct
2. A membrane bound enzyme that catalyses ordering of these particles from the lowest
the formation of cAMP from ATP is to the greatest density ?
(A) MAP Kinase (A) LDL, IDL, VLDL, Chylomicra
(B) Receptor Kinase
(B) Chylomicra, VLDL, IDL, LDL
(C) ATP phosphorylase
(D) Adenyl cyclase (C) VLDL, IDL, LDL, Chylomicra
(D) Chylomicra, IDL, VLDL, LDL
3. Assertion (A) : Quarum sensing is the
ability of bacteria to 6. The sequence of the steps involved in the
communicate and co-
viral replication
ordinate behaviour.
Reason (R) : Bacteria those use I) Attachment
Quarum sensing to II) Penetration
producer and secrete a
signaling chemical called III) Genome replication and Expression
as “Inducer”. IV) Uncoating
(A) Both A and R are true and R is the
correct explanation Arrange the above steps in chronologically
(B) Both A and R are true, but R is the (A) I, II, III, IV (B) III, II, I, IV
false explanation (C) II, III, IV, I (D) I, II, IV, III
(C) A is true, but R is false
(D) A is false, but R is true 7. In the area of desmosome the adjacent
cells have
4. Assertion (A) : Interferons are produced
by the host against viral I) Intercellular thickening material
infection.
II) Cilia
Reason (R) : Interferons are essential
for viral replication. III) Transmembrane linkers
(A) Both A and R are true and R is the IV) Protein sheath
correct explanation (A) I and IV are correct
(B) Both A and R are true, but R is the
(B) II and IV are correct
false explanation
(C) A is true, but R is false (C) I, II and III are correct
(D) A is false, but R is true (D) I and III are correct
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8. Viruses contain the following 12. Origin of replication in E.coli consists of
I) Genome I) Repetitive elements
II) Capsid II) GC rich regions
III) Capsule III) AT rich regions
IV) Enzyme IV) Series of U residues
(A) I, II, III are correct (A) III is correct
(B) I, II, III, IV are correct (B) I and III are correct
(C) I, II, IV are correct
(C) I, III and IV are correct
(D) II, III, IV are correct
(D) IV is correct
9. DNA polymerase I are multifunctional
enzymes because it promotes 13. Bt Cotton contains
I) Polymerisation reaction (A) dry gene (B) Cry gene
II) Removal of nucleotides from 3′ (C) Nif gene (D) AmpR gene
terminus in DNA
14. Choose the correct signal transduction
III) Removal of nucleotides from 5′ pathway.
terminus in DNA (A) Hormone → 7 TM Receptor →
IV) Joining of ends of DNA fragments G Protein → cAMP → PKA
(A) I & IV are correct (B) Hormone → G protein → 7 TM
(B) II & IV are correct Receptor → cAMP → PKA
(C) III & IV are correct (C) Hormone → 7 TM Receptor →
(D) I, II & III are correct G protein → PKA → cAMP
(D) Hormone → 7 TM Receptor →
10. Most of DNA binding proteins insert the
cAMP → G protein → PKA
following structure into the major groove
of DNA during binding 15. Which of the following can form a part of a
(A) Beta-sheet (B) Alpha-helix Biosensor ?
(C) Beta-Turn (D) Triple-helix I) Enzyme
II) Antibody
11. Coding region of an mRNA is 336
nucleotides long, including the initiator III) Lipid
and termination codons. What is the IV) Vitamin
number of amino acids in the protein (A) III and IV are correct
translated from this mRNA ? (B) II and IV are correct
(A) 109 (B) 110 (C) I and II are correct
(C) 111 (D) 112 (D) I, II and III are correct
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16. Name the enzyme act as Intracellular 20. Assertion (A) : Olfaction and taste are
mediator for growth factor receptor important sensory
(A) MAP Kinases modalities for insects,
(B) Phosphodiesterases (PDE) particularly in mating,
oviposition and food
(C) JAK Kinases
selection.
(D) β – adrenergic receptor Kinase
Reason (R) : Chaemo reception in
(BARK)
insects is well established
17. DNA can be radiolabelled with than the other animals.
I) P32 (A) Both (A) and (R) are true and (R) is
the correct explanation
II) I125
(B) Both (A) and (R) are true and (R) is
III) P33 not the correct explanation
IV) S35 (C) (A) is true, but (R) is false
(A) I, II and III are correct (D) (A) is false, but (R) is true
(B) I and III are correct
(C) I, III and IV are correct 21. Match the Jaw suspension type in various
organisms.
(D) II and IV are correct
List – I List – II
18. Electrophoresis of a purified protein called I) Autodiastylic 1) elasmobranchs
X in the presence of SDS and beta-
Mercaptoethanol shows a single band of II) Amphistylic 2) mammals
60 KDa. In gel filtration experiment protein III) Hyostylic 3) bony fishes
X elutes between alcohol dehydrogenase IV) Autostylic 4) shark
(160 KDa) and beta-amylase (190 KDa). I II III IV
How many identical subunits in the protein
(A) 1 2 3 4
X composed of ?
(B) 2 1 4 3
(A) 1 (B) 2
(C) 3 4 1 2
(C) 3 (D) 4
(D) 4 2 1 3
19. Branched hydrophobic amino acids are
22. Arrange the transport pigments in the order
I) Valine of evolutionary origin from more recent
II) Leucine (A) Haemoglobin, Myoglobin,
III) Isoleucine Chlorocruorin, Haemocyanin
IV) Threonine (B) Myoglobin, Chlorocrcruorin,
(A) I & IV are correct Haemoglobin, Haemocyanin
(B) I, II & III are correct (C) Haemocyanin, Chlorocrcruorin,
Myoglobin, Haemoglobin
(C) I & II are correct
(D) Haemocyanin, Haemoglobin,
(D) Only I is correct
Myoglobin, Chlorocruorin
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23. Match List I (genes) with List II (character) 25. Mammals and birds were originated in
and select the correct answer using the which of the following era/epoch/period ?
codes given below the Lists : (A) Jurassic period
List – I List – II (B) Eocene and Oligocene
(C) Carboniferous and permian
I) Incomplete dominance 1) Human
(D) All of these
skin colour
26. The Hardy-Weinberg law is expressed as
II) Codominance 2) Purple
(p+q)2, where ‘p’ and ‘q’ stands for
colour in
(A) Frequency of heterozygotes
maize due to
(B) Frequency of alleles in population
anthocyanin
(C) Gene frequencies in population
III) Polygenes 3) Human (D) Genotype frequencies in population
being
belonging 27. Assertion (A) : Autonomous specification
to AB blood gives rise to a pattern of
group embryogenesis referred
to as mosaic development.
IV) Complementary genes 4) Pink colour If particular blastomere is
in 4 O’ removed early in its
clock plant development, that isolated
blastomere will produce
Code : the same type of cells that
I II III IV it would have made if it
(A) 4 3 1 2 were still part of the
(B) 3 4 2 1 embryo.
(C) 4 3 2 1
(D) 3 4 1 2 Reason (R) : The embryo appears to
be constructed like a file
24. The cross over percentage between linked mosaic of independent,
genes J and M is 20%, J and L is 35%, J and self differentiating parts.
N is 70%, L and K is 15%, M and N 50%. (A) Both (A) and (R) are true and (R) is
Thus the sequence of genes on the the correct explanation of (A)
chromosome is (B) Both (A) and (R) are true, but (R) is
(A) J, N, M, L, K not the correct explanation of (A)
(B) J, M, L, N, K (C) (A) is true, but (R) is false
(C) J, M, L, K, N
(D) M, J, L, K, N (D) (A) is false, but (R) is true
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28. Assertion (A) : Structures of globular 30. Given below are two statements
proteins are accurately Assertion (A) : Plant breeders have an
advantage over the
determined with X-ray animal breeders.
diffraction. Reason (R) : Plant breeders can
employ clonal propagation.
Reason (R) : Wave length of X-rays
Which of the statements are correct ?
is less than 2°A and (A) A and R are correct and R is the
the resolution of explanation for A
(B) A and R are correct and R is not the
structural information explanation for A
achievable is around (C) A is wrong, but R is correct
(D) Both A and R are wrong
2°A.
(A) A & R are correct. R is explanation 31. Identify the correct statement
(A) Went’s theory explains the reasons
for A for geotropism
(B) A is false, but R is correct (B) Thigmotropic movements are shown
by Desmodium gyrans
(C) A is correct, but R is false
(C) Coiling of tendrils around a hard stem
(D) Both A and R are false are nyctinastic movements
(D) Movements of tentacles of Drosera
are chemotropic movements
29. Given below are two statements :
32. Given below are two statements, one
Assertion (A) : Foreign genes can be labeled as Assertion (A), and the other
labeled as Reason (R) :
cloned into plasmid
Assertion (A) : Several factors are
cloning vectors. responsible for seed
dormancy. One of the
Reason (R) : Cloning vectors can be factors is immature
embryo.
used for expressing the
Reason (R) : Seed dormancy caused
foreign genes in bacterial by immature embryo
systems. can be overcome by
scarification.
Which of these statements is correct ? In the context of the above two statements
which one of the following is correct ?
(A) Both A and R are correct Codes :
(B) Both A and R are wrong (A) A is correct, R is also correct
(B) A is wrong, R is correct
(C) A is correct, R is wrong (C) A is correct, R is wrong
(D) A is wrong, R is correct (D) A is wrong and R is also wrong
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33. List I consists of some terms and List II 35. Which one of the following is NOT a
includes their corresponding definitions. correct statement ?
Select the code showing correct matching (A) Calcium is a component of
chlorophyll
List – I List – II (B) Iron is a structural component of
(Terms) (Definitions) porphyrin molecules
(C) Boron plays an important role in
I) Photooxidation 1) Influence of translocation of sugars
duration of day (D) Molybdenum plays active role in
and night on nitrogen fixation
flowering of plants
36. List I consists of some terms and List II
II) Photoperiodism 2) Splitting of includes corresponding definitions. Select
water molecule the code showing correct matching
by light List – I List – II
(Terms) (Definitions)
III) Photolysis 3) Damage of cells
I) Nitrification 1) Conversion of
under high
nitrates to
intensity of light
gaseous
nitrogen
IV) Photorespiration 4) Respiration in
chloroplasts II) Denitrification 2) Conversion of
during day time NH3 to NO3
Codes : III) Nitrogen fixation 3) Conversion of
proteins to
I II III IV
ammonia
(A) 4 3 1 2
(B) 3 4 2 1 IV) Ammonification 4) Conversion of
(C) 2 1 4 3 gaseous
(D) 3 1 2 4 nitrogen to
ammonia
34. The light sensitive plant pigment
Codes :
phytochrome was first isolated by
I II III IV
(A) Borthwick and Coworders
(A) 1 2 3 4
(B) Garner and Allard
(B) 2 1 4 3
(C) Butler and his colleagues (C) 3 4 2 1
(D) Hammer and Bonner (D) 4 1 2 3
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A0903
37. The following proteins are involved in 39. Five proteins with the following PI values
protein synthesis on ribosomes were separated by isoelectric focusing
1) EF-TU 1) 3.6
2) 2.9
2) RF1
3) 7.2
3) RRF
4) 6.5
4) EF-G
5) 8.5
5) IF2
What is the order of their migration from
What is the sequence of their involvent in the anode (closest to farthest) ?
the translation process ? (A) 5, 3, 4, 1, 2
(B) 3, 4, 5, 1, 2
(A) 1, 5, 2, 3, 4
(C) 2, 1, 4, 3, 5
(B) 2, 3, 1, 4, 5
(D) 5, 2, 3, 1, 4
(C) 5, 2, 3, 1, 4
(D) 5, 1, 4, 2, 3 40. Match the following :
I) Somaclonal variation 1) Anther
38. Choose the correct sequence of the culture
following tools applied in proteomic II) Haploid culture 2) Suspension
culture
I) MALDI – TOF III) Protoplast isolation 3) Callus
culture
II) IEF
IV) Secondary metabolite 4) Cell wall
production degrading
III) SDS-PAGE
enzymes
IV) Isolation of proteins
I II III IV
(A) III, II, I, IV
(A) 2 3 4 1
(B) II, III, IV, I
(B) 4 1 2 3
(C) IV, II, III, I
(C) 3 2 1 4
(D) I, III, IV, II (D) 3 1 4 2
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A0903
41. Match the items of Column – A with 44. Which of the following pairs is matched
Column – B correctly ?
Column – A Column – B (A) Protein involved in transcription
I) Plasma Membrane 1) DNA termination in prokaryotes – RF1
polymerase (B) General transcription factor involved
in initiation of transcription in
II) Nucleus 2) 5’ Nucleotidase
eukaryotes – sigma factor
III) Mitochondria 3) Catalase and (C) Protein involved in elongation of
peroxidase translation – EF.TU
(D) Enzyme involved in unwinding of
IV) Microbodies 4) SDH
DNA helix – Topoisomerase
I II III IV
(A) 2 1 4 3 45. Which of the following pairs is not paired
(B) 1 2 3 4 correctly ?
(C) 4 3 2 1
(A) All family of repetitive elements –
(D) 3 4 1 2
LINES
42. Which of the following pairs is not matched (B) Transposons identified in Drosophila
correctly ? – Pelement
(A) Production of recombinant protein (C) Tandemly repeated elements –
– Expression vector VNTRs
(B) Type of molecular marker – YAC
(D) Mobile elements found in maize –
(C) Immunological detection method –
Ac-Ds elements
ELISA
(D) Measurement of radioactivity – 46. Given below are two statements
scintillation counting
Assertion (A) : Aminoacylation of t RNA
43. Match the following
is a very accurate
I) Allosteric enzyme 1) PDC process.
II) Isoenzyme 2) Acetyl CoA Reason (R) : Proof reading does not
occur during aminoacylation
of t RNA by aminoacyl
III) Multienzyme complex 3) LDH
tRNA synthetases.
IV) Coenzyme 4) ATcase
I II III IV Which of these statements are true ?
(A) 1 4 3 2 (A) Both A and R are true
(B) 4 3 1 2 (B) A is true, but R is false
(C) 3 1 4 2 (C) Both A and R are false
(D) 2 4 3 1 (D) A is false, but R is true
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47. Given below are two statements 50. Taxonomy refers to
Assertion (A) : Lac operon is activated
in bacteria by the I) Identification and Nomenclature
presence of lactose in
the medium. II) Nomenclature and classification
Reason (R) : Lac operon is not
III) Classification
affected by glucose
concentration in the
IV) Classification and evolution
medium.
Which of these statements are true ? (A) I & IV
(A) (A) is false, but (R) is true (B) I & II
(B) Both (A) and (R) are false
(C) I & III
(C) Both (A) and (R) are true
(D) (A) is true, but (R) is false (D) II only
48. Assertion (A) : A. Monellin is a sweetner 51. Assertion (A) : Based on formation of
and it is a protein. When
mucilage due to partial
it is heated its sweetness
dissolution of outer
is lost
pectin wall in water,
Reason (R) : The reason for its
spirogyra is also called
sweetness lies in its
confirmation pond silk.
(A) A and R are correct
Reason (R) : In a matured cell of
(B) A and R are wrong
Spirogyra the cytoplasm is
(C) A is correct and R is wrong
(D) A is wrong and R is correct peripheral with a central
vacuole
49. In a flower odd sepal is anterior, petals
arranged in dessendingly imbricate (A) Both (A) and (R) are true, and (R) is
aestivation. This flowers belong to the the correct explanation of (A)
family
(B) Both (A) and (R) are true, but (R) is
(A) Fabaceae (s.s.)
not the correct explanation of (A)
(B) Fabaceae (s.e.)
(C) Caesalpiniaceae (C) (A) is true, but (R) is false
(D) Mimosaceae (D) Both (A) and (R) are false
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52. Match the following : 54. The system of classification proposed by
these scientists is also called as Neo-
1) Engler I) Chemosystematics
Adansonian system
2) Secondary II) Oak (A) Engler & Prantl
metabolite (B) Bentham & Hooker
3) Natural system III) Embryophyta (C) Sokal & Sneath
siphanogama (D) Camp & Gilly
4) Nut IV) Alpha 55. Pick up the wrong statement from the
taxonomy following :
V) Marigold (A) The rate of production of total organic
material is known as gross primary
1 2 3 4 productivity
(A) IV I III V
(B) The balance energy or biomass
(B) III I IV V
remaining after meeting the cost of
(C) IV I III II
respiration of producers is called net
(D) III I IV II
primary productivity
53. Indicate the four correct statements from (C) The productivity is of three kinds :
the following : primary, secondary and tertiary
I) Cotton is used either alone or in (D) Net productivity = Gross productivity
combination with other fibres in – Respiration and other losses
manufacturing all types of textiles
56. The several stages of hydrosere along
II) Cotton seed oil is used as lubricant and with their suitable examples are given.
the oil cake is used as poultry feed Indicate the correct matches from them.
III) Mercerised cotton is resulted by treating
I) Plank stage – Diatoms
the cotton fibres with caustic soda
II) Woodland stage – Juncus
IV) The fuzz (short hairs) is used in
preparation of pillows, cushions and III) Floating stage – Nymphaea
mattresses
IV) Submerged stage – Hydrilla
V) Cotton treated with nitric acid to produce
V) Reed swamp stage – Sagittaria
gun powder, which is used in making
explosives
(A) I, II, III & IV
(A) I, II, III & IV
(B) I, III, IV & V
(B) I, III, IV & V
(C) II, III, IV & V (C) II, III, IV & V
(D) I, II, IV & V (D) I, II, III & V
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57. Addition of consortium or cocktail of 60. Assertion (A) : The Japanese and
micro-organisms to the polluted soil is Philippine lakes are
volcanic lakes in which
known as
the extreme chemical
(A) Biostimulation conditions are seen.
(B) Biomagnification Reason (R) : Acid or alkaline lakes
(C) Biofencing associated with
volcanic regions are
(D) Bioaugmentation
called volcanic lakes.
(A) Both (A) and (R) are true and (R) is
58. Match the following :
the correct explanation of (A)
1) Littoral and swamp I) Savannas (B) Both (A) and (R) are true, but (R) is
forests not correct explanation of (A)
(C) (A) is true, but (R) is false
2) Montane wet temperate II) Mangroves (D) Both (A) and (R) are false
forests
61. If the fertilized egg of a plant has 40
3) Natural grasslands III) Relics chromo-mes, the number of chromosomes
present in the pollen mother cell is
4) Species show a IV) Sholas (A) 80 (B) 160
restricted distribution (C) 40 (D) 60
but cover large areas 62. The female gametophyte of a typical dicot
in course of time (polygonum) at the time of fertilization is
V) Progressive (A) 8 nucleate and 7 celled
endemics (B) 7 nucleate and 8 celled
(C) 4 nucleate and 4 celled
1 2 3 4 (D) 8 nucleate and 8 celled
(A) II IV I V 63. Assertion (A) : In cleodic egg, the
development of embryo
(B) II IV I III
is arrested in freshly
(C) IV III I V laid eggs
(D) IV II I III Reason (R) : Freshly laid eggs show
drop in temperature so
59. The study of migration of birds is known they need incubation
as (A) Both (A) and (R) are true and R is
the correct explanation of A
(A) Phrenology
(B) Both (A) and (R) are true, but R is not
(B) Phenology the correct explanation of A
(C) Pedology (C) (A) is true, but R is false
(D) Odentology (D) Both (A) and (R) are false
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64. Match the pattern of embryonic cleavage 67. Extra chromosomal inheritance of male
type (in List 1) with organisms (in List 2) sterility was discovered in maize by
List – 1 List – 2 (A) Dhawan and Paliwal
(B) M.A. Overman and H.E. Warmke
I) Radial cleavage 1) Echinoderms (C) Jones and Clarke
II) Spiral cleavage 2) Tunicates (D) M.M. Rhodes
III) Bilateral cleavage 3) Mammals 68. Assertion (A) : Mental and motor
retardation and death by
IV) Rotational cleavage 4) Annelids ages 2-4 years are
phenotypic effects in the
Code : individuals of Tay-
I II III IV Sachs disease.
(A) 1 2 3 4 Reason (R) : In the individuals of Tay-
(B) 3 2 1 4 Sachs disease
(C) 4 3 1 2 galactose-1-phosphate
(D) 1 4 2 3 uridyl transferase fails
to catalyze transformation
65. During differentiation different cell types
of galactose into glucose.
make different sets of proteins at several
levels in following sequences (A) Both (A) and (R) are true and (R) is
the correct explanation of (A)
I) Differential gene transcription (B) Both (A) and (R) are true, but (R) is
not the correct explanation of (A)
II) Differential RNA translation
(C) (A) is true, but (R) is false
III) Differential RNA processing (D) Both (A) and (R) are false
IV) Differential protein modification 69. Assertion (A) : Adapted characters
(A) III, II, I and IV acquired by an
(B) I, II, III and IV organism are not
(C) I, III, II and IV inherited.
(D) I, IV, II and III
Reason (R) : They do not get the
66. If the deleterious effect of a mutation in a sufficient time to be fixed
gene are overcome by a mutation in at the genetic level.
another gene, the process is called (A) Both (A) and (R) are true and (R) is
(A) Extra genetic (or) intragenic the correct explanation of (A)
suppression (B) Both (A) and (R) are true, but (R) is
(B) Non-sense mutation not the correct explanation of (A)
(C) Frame shift mutation (C) (A) is true, but (R) is false
(D) Somatic mutation (D) Both (A) and (R) are false
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70. Assertion (A) : Geological evidence 73. According to Darwinism which one
indicates that free represents the correct sequence of events
oxygen began
in the origin of new species ?
accumulating in the
atmosphere about two I) Natural selection, Variation and their
billion years ago. inheritance-Survival of the fittest,
Reason (R) : The free oxygen in the Struggle for existence
atmosphere is produced by
cyanobacteria like forms. II) Variation and their inheritance, Survival
(A) Both (A) and (R) are true and (R) is of the fittest, Natural selection, struggle
the correct explanation of (A) for existence
(B) Both (A) and (R) are true, but (R) is III) Survival of the fittest, Struggle for
not the correct explanation of (A)
existence, Natural selection, Variation
(C) (A) is true, but (R) is false
and their inheritance
(D) Both (A) and (R) are false
IV) Struggle for existence, Variation and
71. Assertion (A) : The records of evolution
of birds is sketchy. their inheritance, Survival of the fittest,
Reason (R) : The pneumatic bones of Natural selection
birds make poor fossils. The correct sequence of these scales from
(A) Both (A) and (R) are true and (R) is the earliest to the most recent
the correct explanation of (A)
(A) I, II, III, IV (B) II, III, I, IV
(B) Both (A) and (R) are true, but (R) is
not the correct explanation of (A) (C) III, IV, I, II (D) IV, II, III, I
(C) (A) is true, but (R) is false
74. Enterokinase stimulates
(D) Both (A) and (R) are false
(A) Trypsin (B) Trypsinogen
72. Match List I with List II and select the
correct answer using the codes given (C) Pepsin (D) Pepsinogen
below the lists.
75. In the detoxification of ammonia, the key
List – I List – II
(Animals) (Their realm) intermediate product i.e., the synthesis of
citrulline is appeared to be present in the
I) Protopterus 1) Australian
following extra hepatic tissues
II) Opossum 2) Ethiopian
III) Sphenodon 3) Nearctic I) Brain
IV) Prehensile 4) Neotropical II) Intestine
tailed monkey III) Kidney
Code : IV) Lungs
I II III IV
(A) 2 3 1 4 (A) I, II and III are correct
(B) 2 1 3 4 (B) I and II are correct
(C) 4 1 3 2 (C) I and III are correct
(D) 4 3 1 2 (D) I, III and IV are correct
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Source: Telangana State Eligibility Test. Question paper published by Telangana State Eligibility Test.