Agricultural Biotechnology MCQs

Question 1

Amino group is present in

Accepted Answer

Lysine

Answer

Aspargine

Answer

Glutamine

Answer

Both B and C

Question 2

Which method enhances vitamin C production?

Accepted Answer

Enzymatic reduction of a component of pectin

Answer

Polymerization of a series of simple sugars

Answer

Partitioning of ascorbate into seed storage proteins

Answer

Derivatization of tocopherols from the shikimate pathway

Question 3

Selfish DNA is

Accepted Answer

Transposable element

Answer

Satellite DNA

Answer

Introns

Answer

Exons

Question 4

The gibberellins was discovered by

Accepted Answer

Kurosawa

Answer

Went

Answer

Leibig

Answer

Darwin

Question 5

Noncoding RNA is

Accepted Answer

All of the above

Answer

snRNA

Answer

guide RNA

Answer

siRNA

Question 6

The gene which share common evolutionary ancestor are

Accepted Answer

Homologous genes

Answer

Pseudogenes

Answer

Analogous genes

Answer

None of the above

Question 7

The core enzyme of RNA polymerase is

Accepted Answer

α2ββ'ω

Answer

α2ββ'

Answer

ββ'ω

Answer

α2αββ'ω σ

Question 8

According to Chargaff's rule

Accepted Answer

The molar ratio of A to T is 1

Answer

The sum of purines is not equal to pyrimidine

Answer

The molar ratio of G to C is more than 1

Answer

The percentage of C + G is always equal to A + T

Question 9

The secondary metabolite production begins at the

Accepted Answer

Log phase

Answer

Lag phase

Answer

Static phase

Answer

None of the above