Question

In a longitudinal section of a root, starting from the tip upward, the four zones occur in the following order:

A. Root cap, cell division, cell enlargement, cell maturation

B. Root cap, cell division, cell maturation, cell enlargement

C. Cell division, cell enlargement, cell maturation, root cap

D. Cell division, cell maturation, cell enlargement, root cap

Answer : Root cap, cell division, cell enlargement, cell maturation

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