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PART I
(Each answer shall be limited to one sentence)
Time : 1 1/2 hours
A.Choose the correct answer:
1.Mulberry silk is produced by:
(a) Samia Cynthia ricini(b)Antheraea assamia
(c ) Bombyx mori(d)Anlheraea paphia

2.Extra chromosomal circular DNA molecules found inbacteria is called:
(a)Phasmid(b)Cosmid
(c )Plasmid(d)ProbeProbe

3.Red palm weevil is:
(a)Opisina arenosella(b)Rhynchophorus ferrugineus
(c )Aceria guerreronis(d)Oryctes rhinoceros

4.Larva of starfish is:
(a)Bipinnaria(b)Auricularia
(c )Veliger(d)Trochophore

5. .The bacterium which is believed to play an active role in causing and aggravating ulcer.' ’
(a)Escherichia coli(b)Helicobacter pylori
(c )Rickettsia mooseri(d)Pasteurello pestis

6.The theory' of Neo-Lamarckism is depended on:
(a)Variation(b)HeredityHeredity
(c )Mutation and natural selectionMutation and natural selection(d)None of these

7.Thenature of blood is:*
(a)Acidic(b)AlkalineAlkaline
(c )Neutral(d)None of theseNone of these

8.Thenumber of RNA polymerase found in eukaryotesis:
(a)1(b)22
(c )3 .(d)44

9.Theterm cistron was coined by:-
(a)Kuhne(b)PasteurPasteur
(c )Walter GilbertWalter Gilbert(d)Benzer

10.Themost important sugar concerned with human biochemistry is:
(a)Sucrose(b)GlucoseGlucose
(c )LactoseLactose(d)FructoseFructose
B.Fillup the blanks:

11. Lichens are excellent indicators of___________________________pollution,
12.Metal ion essential for blood coagulation is________________________
13.Endocytosis of solid substances is called —_______________________________________________________
14.Father of conditioned reflexes is---------------------.
15.Alkaptonuria is one of the inherent disorders with the metabolism of —
1G. The venom of viper is----------------------in action.
17.The hook worm disease is caused by--------------------.
18.The protein contained in the bee venom is----------------------.
19.A high grade collagen produced from the gas bladder of some fish called
20.The number of cervical vertebrae generally present in mammals is -------------
21. --------------is the iron storing protein present in liver, spleen and bone marrow.
22. The initiation codon of eukary otes is--------------.
23.---------------is the disease of animals caused by fungal infection.
24. Study of the possibility of improving the human gene pool is known as----------.
25.A congenital disorder caused by trisomy of 21st chromosome is called-----------.

C. Write the full form of the following acronyms:
26.BMR
27.GABA
I 28. MMR .
I29.SCID
I30.MAB
PART II

(Each answer shall be limited to one paragraph)
31.Latentlearning
32. I PM
33.CT scanning
34.Anorexia nervosa
35.Satellite DNA
36. Restriction endonucleases
37.Biosphere reserve
38.Parasitic castration(8 k 10 = 80)