Agricultural Biotechnology MCQs

Question 1

Nucleoside is

Accepted Answer

Nitrogen base + Sugar

Answer

Nitrogen base + Phosphate

Answer

Nitrogen base + Sugar + Phosphate

Answer

None of the above

Question 2

Selection of protoplast fusion hybrids can be done by

Accepted Answer

Any of the above method

Answer

Visual selection

Answer

Fluorescent labels

Answer

FACS

Question 3

Vitamin E is

Accepted Answer

Tocopherol

Answer

Retinol

Answer

Calciol

Answer

Dicoumarol

Question 4

Which one of the following places does not constitute in situ conservation

Accepted Answer

Botanical gardens

Answer

Biosphere reserves

Answer

Wildlife sanctuaries

Answer

National parks

Question 5

Apoplastic movement of water involves

Accepted Answer

Movement of water between intercellular spaces of cells

Answer

Movement of water through the cells

Answer

Movement through plasmadesmata

Answer

None of the above

Question 6

Bacterial genes lack

Accepted Answer

Introns

Answer

Operator

Answer

Promoters

Answer

None of these

Question 7

A CsC1 gradient will separate DNA molecules by

Accepted Answer

Density

Answer

Absorption

Answer

Resorption

Answer

Both A and B

Question 8

For patenting a plant variety it should be

Accepted Answer

DUS

Answer

DUD

Answer

DDS

Answer

Any of the above

Question 9

Plant viral diseases can be controlled by

Accepted Answer

All of the above

Answer

Antisense RNA technology

Answer

By using ribozymes

Answer

RNAi technology