Agricultural Biotechnology MCQs

Question 1

Disease causing organisms are identified by using

Accepted Answer

DNA probes

Answer

MAb's

Answer

Gene transfer

Answer

Microprojectiles

Question 2

The bond between suger and nitrogenous base in case of DNA is known as

Accepted Answer

Glycosidic bond

Answer

Phosphodiester bond

Answer

Peptide bond

Answer

None fo these

Question 3

Which among the following is not used as vector for gene cloning?

Accepted Answer

MAC

Answer

Cosmid

Answer

Phagemid

Answer

PAC

Question 4

Methanogenic bacteria are

Accepted Answer

Anaerobic in nature

Answer

Aerobic in nature

Answer

Micro aerophillic in nature

Answer

Saprophitic in nature

Question 5

The connecting molecule between Glycolysis and TCA cycle is

Accepted Answer

Acetyl Co A

Answer

Acyl Co A

Answer

Pyruvate Co A

Answer

None of the above

Question 6

Bacteria possessing restriction enzymes get not affected because

Accepted Answer

Their genome is methylated

Answer

Their genome is demethylated

Answer

These enzymes are present in less concentration

Answer

Their genome lack unique restriction sites for enzymes

Question 7

Non-organized mass of cell is

Accepted Answer

Callus

Answer

Embryoid

Answer

Protocorm

Answer

Endoperm

Question 8

Operon comprise of

Accepted Answer

All of the above

Answer

Operator

Answer

Structural gene

Answer

Promoter

Question 9

Essential constituents of a cloning vector are

Accepted Answer

Replicon, unique restriction site and selectable marker

Answer

Replicon, promoter and selectable marker

Answer

Promoter, operatop and restriction site

Answer

Replicon, unique restriction site and promoter