Question

Vessel elements differ from other elements of xylem in having

A. Simple and bordered pits on end walls

B. Simple perforation on their end walls

C. Simple pits on their radial walls

D. Bordered pits on their lateral walls

Answer : Simple perforation on their end walls

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