Agricultural Biotechnology MCQs

Question 1

The marker genes used for pUC18 are

Accepted Answer

Both A and C

Answer

AmpR gene

Answer

TetR gene

Answer

Lac Z gene

Question 2

Microbes have a relatively . . . . . . . . that allows the chemical conversions possible.

Accepted Answer

All of the above

Answer

High metabolic rate

Answer

Large surface area

Answer

High multiplication rate

Question 3

The inhibitor for Hexokinase is

Accepted Answer

Glucose-6-phosphate

Answer

Glucose

Answer

Fructose

Answer

Fructose-1, 6-bisphosphate

Question 4

RNA polymerase is

Accepted Answer

DNA dependent RNA polymerase

Answer

RNA dependent RNA polymerase

Answer

RNA dependent polymerase

Answer

None of the above

Question 5

The reason behind stability of helical structure of DNA is

Accepted Answer

Both A and B

Answer

Base stacking reaction

Answer

Hydrogen bond

Answer

Vanderwaals interaction

Question 6

The anti-transpirants used in plants are

Accepted Answer

All of the above

Answer

PMA

Answer

Silicone oil

Answer

Colourless plastic

Question 7

The loss of water in vapour from aerial parts of plant is known as

Accepted Answer

Transpiration

Answer

Respiration

Answer

Guttation

Answer

Translocation

Question 8

mRNA usually is being extracted using

Accepted Answer

PolyT resin

Answer

RNase P

Answer

A polyA resin

Answer

An rRNA trap

Question 9

Marker free selection can be done by

Accepted Answer

Co-transformation

Answer

Deletion

Answer

Insertion

Answer

None of these