Agricultural Biotechnology MCQs

Question 1

Which of the following statements about basal promoters is true?

Accepted Answer

Basal promoters are necessary for enhancer trapping

Answer

Basal promoters are necessary for heterologous expression

Answer

Basal promoters direct assembly of the core translation machinery

Answer

Basal promoters are sufficient for expression in the shoot apical meristem

Question 2

The phospholipid present in cephalin is

Accepted Answer

Phosphotidylethanolamine

Answer

Phosphotidylinositol

Answer

Phosphotidylcholine

Answer

Phosphotidylglycerol

Question 3

Which enzymes are used for manufacturing of detergents?

Accepted Answer

Proteases

Answer

Lactases

Answer

Amylases

Answer

Glucoamylases

Question 4

DNA replication occur in which stage of cell division

Accepted Answer

S phase

Answer

M phase

Answer

G2 phase

Answer

None of these

Question 5

The enzyme which removes positive supercoiling is

Accepted Answer

DNA gyrase

Answer

DNA polymerase

Answer

Topoisomerase

Answer

Helicase

Question 6

RNA interference is used to control different viral diseases in case of plants and animals. The active fragment involving in interference is known as

Accepted Answer

Both A and B

Answer

Si RNA

Answer

Micro RNA

Answer

None of these

Question 7

In Bt cotton expression of crystal protein occurs

Accepted Answer

Systemic expression

Answer

On surface of leaves

Answer

Only in stem part

Answer

Stem and leaves

Question 8

Dark reaction occurs in

Accepted Answer

Stroma

Answer

Grana

Answer

Thylakoid

Answer

Stroma lamelle

Question 9

Which one is a micronutrient?

Accepted Answer

Zn

Answer

Ca

Answer

P

Answer

Mg