Question

For union between stock and scion in grafting which one is the first to occur?

A. Formation of callus

B. Production of plasmodesmata

C. Differentiation of new vascular tissues

D. Regeneration of cortex and epidermis

Answer : Formation of callus

Releted Question 1

Regeneration of damaged growing grass following grazing is largely due to:

A. Secondary meristem

B. Lateral meristem

C. Apical meristem

D. Intercalary meristem

Releted Question 2

A. Water only

B. Water and mineral salts only

C. Water, mineral salts and some organic nitrogen only

D. Water, mineral salts, some organic nitrogen and hormones

Releted Question 3

A. Elongation

B. root cap

C. Meristematic activity

D. Maturation

Releted Question 4

A. Collenchyma

B. Phellem

C. Phloem

D. Xylem parenchyma