Agricultural Biotechnology MCQs

Question 1

The constitutive promoter is

Accepted Answer

35 S

Answer

Hsp

Answer

Vicilin

Answer

Lecithin

Question 2

Chromosomal aberration in which two breaks occur in a chromosome and the intercalary segment reunites in a reverse order is categorized as

Accepted Answer

Inversion

Answer

Translocation

Answer

Deletion

Answer

None of these

Question 3

The genes used for Golden rice is

Accepted Answer

Psy gene from Daffodil, Lyc gene from Narcissus, Crt 1 gene from Erwinia

Answer

Psy gene from Narcissus, Lyc gene from Erwinia, Crt 1 gene from Daffodil

Answer

Psy gene from Erwinia, Lyc gene from Narcissus, Crt 1 gene from Daffodil

Answer

Lyc gene from Daffodil, Lyc gene from Narcissus, Crt 1 gene from Erwinia

Question 4

The primary enzyme involved in DNA replication is

Accepted Answer

DNA polymerase III

Answer

DNA polymerase I

Answer

DNA polymerase II

Answer

None of the above

Question 5

The most commonly used gelling agent for protoplast culture is

Accepted Answer

Alginate

Answer

Gelrite

Answer

Agar

Answer

All of the above

Question 6

Vector used for chloroplast transformation is

Accepted Answer

pZS148

Answer

pBeloBAC11

Answer

pSC105

Answer

None of the above

Question 7

The method of growing microorganisms as a thin layer on nutrient medium is known as

Accepted Answer

Support growth system

Answer

Thin layer growth system

Answer

Suspended growth system

Answer

None of these

Question 8

The vir gene protects the T DNA from degradation

Accepted Answer

Vir E

Answer

Vir D

Answer

Vir A

Answer

Vir F

Question 9

The major groove of B DNA is

Accepted Answer

Wide and deap

Answer

Narrow and deap

Answer

Flat

Answer

Flat and wide