Agricultural Biotechnology MCQs

Question 1

Non LTR transposon is

Accepted Answer

Both A and B

Answer

SINE

Answer

LINE

Answer

Retrotransposon

Question 2

The techniques to clone the first gene were developed in

Accepted Answer

1972

Answer

1975

Answer

1980

Answer

1976

Question 3

Chaperone present in ER is

Accepted Answer

Bip protein

Answer

Hsp 60

Answer

Hsp 43

Answer

Hsp 80

Question 4

Why is the gene that was used by Sheller et al. to produce spider silk in transgenic plants called a "synthetic" gene?

Accepted Answer

It is assembled from synthesized DNA oligomers

Answer

It produces silk fibre, which is a synthetic product in plants

Answer

It is a synthesis of proteins from different types of spiders

Answer

It is encodes synthetic components such as an epitope tag

Question 5

DNA polymerase III has

Accepted Answer

3'-5' exonuclease and 5'-3' endonuclease activity

Answer

Both 3'-5'and 5'-3' exonuclease activity

Answer

Only 3'-5' exonuclease activity

Answer

Only 5'-3' endonuclease activity

Question 6

The basic amino acid is

Accepted Answer

Histidine

Answer

Aspartate

Answer

Glutamate

Answer

All of the above

Question 7

Which of the following is present on a Ti plasmid, but not on any component of a binary vector system?

Accepted Answer

Opine genes

Answer

MCS

Answer

GUS genes

Answer

LB, RB

Question 8

For cloning eukaryotic gene in prokaryotes, genes should be isolated from

Accepted Answer

cDNA library

Answer

Genomic library

Answer

Eukaryotic host

Answer

Prokaryotic host

Question 9

Specificity constant means

Accepted Answer

Ratio of Kcat and Km

Answer

Ratio of Kcat and Vmax

Answer

Ratio of Vmax and Kcat

Answer

Ratio of Km and Kcat