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Booklet Code: A
Department of Animal Sciences
ENTRANCE EXAMINATION February 2013

M. Sc Animal Biotechnology Time: 2 hours Maximum Marks: 100
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PART "A"
1.
Hormone that brings out action by binding to intracellular receptor is Calcitonin Calcitriol Prolactin Oxytocin

2.
Calculate the iength of the double stranded DNA molecule of molecular weight 3Xl07


16.50 J.lrn B) 8.50J.lID
33.0 J.lID D) 50.0 J.lID
3.
Which one of the following compounds will be optically active? 2-Propanoic acid 3-Chloropropanoic acid 2-Chloropropanoic acid 3-Chloropropene

4.
Avian fauna represents a mixture of Palaearctic and Neotropical regions Palaearctic and tropical regions Nearctic and Ethiopian regions Palaearctic and Nearctic regions

5.
The electrical potential of a cell is

An intensive property An property An isothermal property An isobaric property

6.
The where vertebra has centrum concave at the anterior end and convex at the posterior end is called as

Amphicoelous Opisthocoelous Heterocoelous Procoelous

7.
Which one of the following statements is false?

8.
The queen of Apis mellifera attracts males by pheromone produced by mandibular glands. The chemical composition of this pheromone is

9-oxodecenoic acid 4 methyl pyrrole-2-carboxylate Organic sulphide Carboxylic acid

9.
Terminal deoxynucleotidyl Transferase is an enzyme that catalyses Addition of nucleotides to the Addition ofnucleotides to the terminus ofDNA molecules terminus ofDNA molecules

Addition of phosphate group to the Addition ofnucleotides to the and terminus ofDNA molecule terminus ofDNA molecule

10.
Keto-enol tautomerism is shown by

Benzaldehyde Acetone Benzophenone Acetic acid

11.
The phenomenon where gonadal maturation is accelerated while the rest of the body develops normally is

Neoteny Progenesis Morphallaxis Epimorphosis

12.
Which molecule has a nonzero dipole moment?



Diethyl ether has been used as a Ethyl alcohol is present in all
general anesthetic alcoholic beverages
Methyl alcohol is produced by Ethylene glycol is a common
fermentation of sugars antifreeze for automobiles

A)Ch C02 CCl4 CHCh
13.
The tallest living tree is Palm tree Picus Fern Sequia

14.
In which carbon of pyruvate the radioactivity would be found ifglucose labeled both at Cl and C4 with 14C is used as carbon source?

15.
Exogenous melatonin administration increases the chances of falling asleep when


At first carbon atom ofpyruvate At second carbon atom of pyruvate
Both at first and second carbon Both at second and third carbon
atoms ofpyruvate atoms ofpyruvate

endogenous melatonin levels are low melatonin levels are high serotonin levels are low serotonin levels are high
16.
Markovnikov's addition of HBr is not applicable to Propene I-butene I-pentene 2-butene

17.
The central portion ofthe stem, useful for storage of food is Pith Bundle cap Endosperm Endarch

18.
Macula is characteristic feature of Retina Eardrum Otolith organ Cerumen

19.
0.2g of an organic compound gave 20.7ml of nitrogen at 15°C and 760mm pressure


when analysed by Duma's method. The percentage of nitrogen in the given compound is 14.26 16.26 12.26 10.26
20. Eskimos have shorter arms and legs in proportion to their trunk size. This is an example of
Bergman's rule Allen's rule Gloger's rule Jordan's rule
21. How many Faradays are required to reduce one mol of MnO"4 to
1 2 C)3 D)5
22.
AU of the following are proteins within the core nucleosome particle except A)HI H2A C)H2B H3

23.
pels is 40% dissociated when the pressure is 2 atm. It will be 80% dissociated when


pressure is approximately 0.2 attn 0.5 'atm 0.3 attn . 0.6 attn
24. Monotreme found only in Australia region
Echidna Dasyurus Perameles Tarsier
25. Which of one the following compounds does not dissolve in concentrated H2S04 on
warming?
n-Hexane Diethyl ether
I-Butene Aniline

PART "B"
26.
Sucking mouth parts with stylets are characteristic of Bugs Butterflies Mosquitoes Cockroaches

27.
Von Gierke's disease of liver and kidney is associated with Glucose-6 phosphate Phosphorylase Phosphofructokinase Glucosidase

28.
Liquid oils can be converted to solid fats by Hydrogenation Saponification Hydrolysis Oxidation ofdouble bonds

29.
Negri bodies are found in cells infected with Paramyxo virus Vaccinia virus Fowl pox virus Rabies virus



5
30.
Elevated phenylalanine is a clinical biochemical marker for Homocystinuria Phenylketonuria Propionic acidemia Methylmalonic acidemia

31.
The following structure acts as an organizer in Hydra Parasegment Blastopore Hypostome Ampula

32.
An RNA dependent RNA polymerase is likely to be present in the virion of a DNA virus that muitipiies in the DNA virus that muitiplies in the

cytoplasm nucleus Minus-strand RNA virus Plus-strand RNA virus

33.
Archaeopteryx is a translational fossil between Snake and bird Pelican and mammal Frog and salamander Dinosaur and bird

34.
Polymer produced by Erwinia tahitica used for carpet printing Polytran Xanthan Zanflo Pullutan

35.
Introduction of transgene for transgenic manipulation can be done at the level of Only somatic line Both somatic and germ line Only germ line Periplasm

36.
Shallow water zone of intertidal area on the continental shelf is called as Neritic Sublittoral Abyssal Bathyal

37.
Which one of the following compounds on treatment with NaHC03willliberate CO2? Acetic acid Ethylamine Acetone Ethylalcohol

38.
A region with high biodiversity with most species being endemic in India has been identified


East Himalayan region and Western South eastern ghat and Trans
ghat Himalayan region
North west India and Trans North east India and Deccan Plateau
Himalayan region



B-IS­
39.
When the urodele Proteus of caves is exposed to light?

Skin turns paler Skin darkens
Skin drops out Skin thickens


40.
Lysosymes break linkage between in the bacterial cell wall N-acetylmuramic acid and L-alanine N-acetylmuramic acid and N-acetyl glucosamine

N-acetylmuramic acid and N-acetylmuramic acid and first amino
alanine acid in glycine chain


41.
Use of cells or cellular components to produce a desired end product is

Biosynthesis Biomass
Bioconversation Bioprocess


42.
Which one of the following compounds will give a positive test with Fehling's solution?

Formaldehyde Acetone
Ethyl acetate Acetic acid


43.
The appearance of vestigial organs is because of their continuous

Usefulness Experiment of nature
Natural selection Uselessness


44.
The following component is used in flavour enhancement produced from


Corynebacterium glutamicum
Ethanol Lysine
Acetone Glutamic acid

45.
The jaw suspension type in Elasmobranch is

Autostylic Craniostylic
Amphistylic Hyostylic


46.
Chromosomal translocations are common in the following condition

Down's syndrome Turner's syndrome
Cancer AIDS


47.
Cyclopentanol undergoes oxidation to give

Cyc10pentene Cyclopentanone
Cyc10pentane Cyclopentanal


48.
Which one of the following gram-positive bacteria causes pharyngitis (sore throat)?


Neisseria Streptococcus
Staphylococcus Mycobacterium



49.
Which one of the following most likely prevents extinction of a rare allele that is genetically lethal in homozygous condition?

Newmutation Genetic drift
Founder effect Balanced polymorphism


50.
At critical temperature of a liquid, surface tension is

Zero Infinite
Varies from liquid to liquid Can't be measured


51.
Radius and ulna are separate in

Frog Snake
Sphenodon Ma.ll


52.
For the ionic compounds that can ionize in a solution, the activity co-efficient is a measure of Theionizationpotential Thedeviation ofthebehavior ofa species from the expected


The ability of ionic species to form The ionic atmosphere that exists in the
an equilibrium solution

53. Gas gangrene is caused by which species of Clostridium?
botulinium Fi
perjingens dif]icile

54.
Which one of the following plants is biennial?

Banana Jack fruit
Carrot Pineapple


55.
Paurometabolous type of post embryonic development is a characteristic of

Hymenoptera Orthoptera
Lepidoptera Diptera


56.
All of the following would have a direct effect on the amount of precipitation in an area


except
Mountain ranges Continental drift
Ocean currents Evaporation from vegetation

57. ConjugateofH2is
W


58. Azotobacter has a world wide distribution in soil having pH
2-5 11-14
5-8 8-11


B-IS­
59. A mutation that gives an alerted phenotype even in the presence of a copy of the wild
type gene is: Conditional mutation Recessive mutation Dominant mutation Complementation
60.
Last step in Krebs cycle is the breakdown of

Fumarate Malate
Oxaloacetate Citrate


61.
Notochord is formed from

Chordamesoderm cells Endoderm
Somatic ceHs Vegetai ceils


62.
Specific heat of aluminium is 0.214 caVg°c, Amount of heat required to raise the temperature of 40.0 g of Al from 20° to 30°C is

85.6 cal 3.2 cal
171.2 cal 342.4 cal


63.
Nile perch (Lates niloticus) is a good example of


Endangered endemic species Threatened migratory species
Introduced predator Primary consumer

64.
Microtubule polymerization can be best disrupted by

Colchicine Cytochalasin
Actinomycin Phalloidin


65.
Penicillium is commonly known as

White rust Black mold
Green or blue mold Yellow mold


66.
Effect of one gene on another in a way that one would hide the effect of another on a phenotype is called

Pleiotropy Epistasis
Homeostasis Hyperstasis


67.
Ethylene and acetylene can be distinguished by using

Bromine in CCl4 Tollen's reagent
Baeyer's reagent Phenylhydrazine


68.
One of the following is not a blood coagulation factor


Proaccelarin Christmas factor
Hagman factor Baker factor

69.
Which one of the following is the site for T cell development?

Spleen Bone marrow
Thymus Liver


70.
What is the pH of a solution whose hydrogen ion concentration is 3.2XIO""mol!L?


2.0 2.5
3.0 3.5

71.
Cyclomorphosis is a phenomenon where body form alters with change in

Moisture Hibernation
Aestivation Temperature


72.
The enzyme which dephosphorylates all types of DNA ends at 37°C is

Acid phosphatase Alkaline phosphatase
Tyrosine kinase Thymidine dephosphorylase


73.
Mucosal tissue bound to the periosteum of the maxillary and mandibular bones is

Gingiva Cementum
Serosa Dentin


74.
Following is an example of discontinuous distribution


Notodrilus Artemia
Mytilus Cuckoos

75.
Alkyl halides undergo

Electrophilic substitution reactions Electrophilic addition reactions
Nucleophilic substitution reactions Nucleophilic addition reactions


76.
Following organism is used in Ore leaching


Thiobacillus Tricoderma
Clostridium Saccharomyces

77. Neutrophils are attracted to an infected area by IgM Vascular permeability
Phagocytosis ofIgE coated bacteria Aggregation ofcomplement
molecules

78. Which one of the following is a woody climber?
Cycas Gnetum
Adiantum Pinus

79. One of the following is a dermal bone
Supraoccipital Basioccipital
Turbinal Vomer

80.
Individuals with "Laron syndrome" an autosomal recessive disorder show Elevated level of circulating growth Lower level ofcirculating growth

hormone hormone
Elevatedlevel ofaldosterone Lowerlevel ofaldosterone


81.
The major product of acid-catalysed dehydration of 2-butanol is

2-Butene 2-Butyne
I-Butene I-Butyne


82.
Mammals produce concentrated urine because of the presence of

Loop of Henle Columns of Bertin
Renal pyramids Distal tubules


83.
Influenza virus belongs to the family

Flaviviridae Coronaviridae
Orthomyxoviridae Arenaviridae


84.
Father and mother are apparently normal but carriers, the daughter succumbs to carrier based hereditary disease. What is the probability of grand children getting affected by the disease, if son-in-law is completely normal?


75% 50%


85.
The mode of nutrition in which organisms like bacteria, algae and diatoms form the food of protozoa is

Holophytic Holozoic
Saprophytic Saprozoic


86.
Osmosis results from

An increase in entropy A decrease in entropy A decrease in enthalpy A decrease in internal energy

87.
Species transplant experiments are one way of determining
The distribution of species m a The strength of interspecific
specified area interactions in an area



The abundance of species m a The strength of intraspecific specific area interactions in an area
• 88. Maximum rate of photosynthesis occurs in
Red light Green light
White light Red and blue light


89.
Infection of host cell by HIV is mediated through

Opsonisation Phagocytosis
Adhesion Engulfing


90.
Which one of the following is not a property of thiols?

They are all solids They can be oxidized to disulphides
They have foul odours They are weak acids


91.
Molecules smaller than 1 nm can be visualized by

X-ray diffraction Electron microscopy
X-ray microscopy Polarisation microscopy


92.
The following is an amphibian animal


Agelenopsis Allocapnia
Ambystoma Chelodina

93.
Exchange of segments between non-homologous chromosomes is called as

Translocation Recombination
Inversion Crossing over


94.
Which one of the following has the highest bond energy?

C-N 0=0
C=C C=O


95.
Which one of the following is not associated with chronic myeloid leukemia?

African Y chromosome Chromosome 9
Chromosome 22 Philadelphia chromosome


96.
Linoleate is an 18 carbon fatty acid of membrane lipids. The position of double bonds in this molecule occur at positions


.112
.15, .114

97.
Cilia of pelecypod gills exhibit

Pendular movement Flexural movement
Undulating movement Funnel form movement


98.
Which one of the following is least soluble in water?


CH30H CH3CH20H
CH3SH HOCH2CH20H




99.
All of the following act to increase species diversity except

Keystone predators Migration of population Competitive exclusion Patchy environment

100.
If bacteriophage is infected to the E. coli culture growing in the medium containing radiolabeled methionine, which part of the phage particle gets radioactivity?


Nucleic acid Protein
Protein and Nucleic acid Phage progeny do not get radioactivity
For rough work