Agricultural Biotechnology MCQs

Question 1

The natural auxin is

Accepted Answer

I.A.A

Answer

2,4 D

Answer

N.A.A

Answer

B.A.

Question 2

The charge having Zwitter ion is

Accepted Answer

Zero

Answer

Positive

Answer

Negative

Answer

None of the above

Question 3

The sudden increase in respiration causes ripening of some fruits is known as

Accepted Answer

Climacteric

Answer

Climatic

Answer

Photorespiration

Answer

Anthesis

Question 4

The essential fatty acid is

Accepted Answer

Both A and B

Answer

Linoleic acid

Answer

Linolenic acid

Answer

Palmitic acid

Question 5

Which sigma factor of RNA polymerase comes into play during stress?

Accepted Answer

σ32

Answer

σ70

Answer

σ14

Answer

σ60

Question 6

ABO blood groups is a good example for both . . . . . . . . and multiple allelism.

Accepted Answer

Co-dominance

Answer

Dominance

Answer

Recessiveness

Answer

Over dominance

Question 7

Which category of microbes are used in retting process of jute?

Accepted Answer

Which possess high amount of hydrolytic enzyme activity

Answer

Aerobic microbes only

Answer

Anaerobic microbes

Answer

None of these

Question 8

Phloem loading is

Accepted Answer

Tranfer of photoassimilates into sieve elements

Answer

Transfer of photoasimilates to sink from sieve elements

Answer

The movmentent of water through vascular tissues

Answer

None of the above

Question 9

The 21st amino acid is

Accepted Answer

Pyrolysine

Answer

Hydroxy proline

Answer

Seleocysteine

Answer

Selenomethhionine