E-PolyLearning

26. How many nucleotides are there in Ss RNA molecule of picorna virus causing FMD?
a. 1000
b. 5000
c. 8000
d. 10000
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Answer: (c).8000

27. Recombinant vaccine for Hepatitis B virus has been synthesized against which of the following antigen?
a. Viral core antigen (HBcAg)
b. Viral surface antigen (HBsAg)
c. e antigen (HBeAg)
d. All of the above
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Answer: (b).Viral surface antigen (HBsAg)

28. Chemically synthesized DNA sequences for the two chains are separately inserted into the plasmid pBR 322 by the side of
a. β-Galactosidase
b. galactokinase
c. acid phosphatase
d. glucokinase
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Answer: (a).β-Galactosidase

29. The two chains are joined together to constitute native insulin using
a. sodium dissulphonate and sodium sulphite
b. sodium dissulphonate and sodium sulphate
c. sodium sulphate and sodium sulphite
d. sodium sulphate only
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Answer: (a).sodium dissulphonate and sodium sulphite

30. Foot and mouth disease (FMD) of animals is caused by
a. RNA virus
b. DNA virus
c. bacteria
d. protozoa
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Answer: (a).RNA virus

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