Agricultural Biotechnology MCQs

Question 1

Linolenate and Linoleate are essential fatty acids because

Accepted Answer

All of the above

Answer

Mammals can not introduce the double bond after 9th carbon

Answer

They must be obtained through diet

Answer

They can not be synthesized endogenously

Question 2

Shoot regeneration is promoted by

Accepted Answer

B.A.P.

Answer

N.A.A.

Answer

2, 4-D

Answer

I.B.A.

Question 3

The transcription factor having helicase activity is

Accepted Answer

TFIIH

Answer

TFIID

Answer

TFIIF

Answer

TFIIB

Question 4

During stress which of the following phytohormone is accumulated

Accepted Answer

A.B.A.

Answer

Auxin

Answer

G.A.

Answer

I.A.A.

Question 5

Deficiency of Vitamin B12 causes

Accepted Answer

Pernicious anemia

Answer

Beri-beri

Answer

Pellagra

Answer

Scurvy

Question 6

Which of the following technique is used for DNA fingerprinting?

Accepted Answer

RFLP

Answer

HPLC

Answer

TLC

Answer

ELISA

Question 7

The main technology involved in agriculture biotechnology is called

Accepted Answer

Tissue culture

Answer

Plant breeding

Answer

Transformation

Answer

DNA replication

Question 8

Choosse the wrong one.

Accepted Answer

In uncompetitive inhibition the Vmax is decreased and Kmis decreased

Answer

In competitive inhibition the Vmax is constant and the Km is increased

Answer

In competitive inhibition the Vmax is increased and the Km is constant

Answer

In noncompetitive inhibition the Vmax is decreased and Km is constant

Question 9

The major source of carbon for somatic embryogenesis is

Accepted Answer

Maltose

Answer

Sucrose

Answer

Fructose

Answer

Glucose