Agricultural Biotechnology MCQs

Question 1

Most commonly used organism in SCP is

Accepted Answer

Spirulina

Answer

Bacillus

Answer

Lacto bacillus

Answer

Pseudomonas

Question 2

Shine Dalgamo sequence present on mRNA in case of prokaryotes plays as important role in protein synthesis. This sequence binds with . . . . . . . . during translation initiation

Accepted Answer

16s RNA

Answer

tRNA

Answer

23s RNA

Answer

5s RNA

Question 3

Which organelles is/are semi autonomous in nature?

Accepted Answer

Both A and B

Answer

Mitochondria

Answer

Chloroplast

Answer

Microtubules

Question 4

The transcription factor helps in recruitment of RNA polymerase is

Accepted Answer

TFIIF

Answer

TFIID

Answer

TFIIB

Answer

TFIIE

Question 5

Why might you find two kanamycin resistance genes on different parts of a T-DNA plasmid?

Accepted Answer

One of the genes could be used for selection in plants, and one could be used for selection in bacteria

Answer

One of the genes could be used for positive selection, and one could be used for negative selection

Answer

This arrangement facilitates site-specific recombination for marker-free selection

Answer

Each gene might have been introduced by a independent co-transformation event

Question 6

Lac Z codes for

Accepted Answer

β galactosidase

Answer

Permease

Answer

Acetylase

Answer

Polymerase

Question 7

Biochemical marker is

Accepted Answer

Isozymes

Answer

AFLP

Answer

RFLP

Answer

Pigmentation

Question 8

In anaerobic respiration in plants,

Accepted Answer

Carbon dioxide is given out

Answer

Oxygen is taken in

Answer

Oxygen is given out

Answer

Carbon-dioxide is taken in

Question 9

Water potential of pure water is

Accepted Answer

Zero

Answer

Positive

Answer

Negative

Answer

Can not predict