Agricultural Biotechnology MCQs

Question 1

Tissue plasminogen activator is

Accepted Answer

An enzyme

Answer

A vitamin

Answer

A chemical that stimulates tissue differentiation

Answer

An electric device

Question 2

Prokaryotic DNA Polymerase comprises five subunits, which are

Accepted Answer

α2ββ'σ

Answer

αβμδε

Answer

αεδωω

Answer

None of these

Question 3

Vitamin B2 is commercially obtained from

Accepted Answer

Streptomyces alivacaeus

Answer

Escherichia coli

Answer

Leuconostoc mesenterolds

Answer

Closteridium butyricum

Question 4

Sickle cell anaemia occurs due to

Accepted Answer

Replacemrnt of glutamate by valine in β-strand of haemoglobin

Answer

Replacement of glutamate by valine in α-strand of haemoglobin

Answer

Replacement of valine by glutamate in α-strand of haemoglobin

Answer

Replacement of valine by glutamate in β-strand of haemoglobin

Question 5

The immobile element in plants is

Accepted Answer

B

Answer

Na

Answer

Mn

Answer

Mo

Question 6

Photorespiration does not occur in

Accepted Answer

C4 plants

Answer

C3 plants

Answer

CAM plants

Answer

None of the above

Question 7

Biuret method indicates presence of

Accepted Answer

The peptide bond

Answer

The carbohydrate

Answer

The hydrogen bond

Answer

All of the above

Question 8

The vir gene helps to produce the pilus like structure for transformation of T DNA

Accepted Answer

Vir B

Answer

Vir D

Answer

Vir E

Answer

Vir F

Question 9

First embryo culture was done by

Accepted Answer

Haberlandt

Answer

Laibach

Answer

White

Answer

None of the above