| Assertion [A] Calcium involved in selective permeability of cell membranes. |
| Reason [R] Calcium activates certain enzymes required for development of stem and root apex. |
A) Both A and R are true, and R is the correct explanation of A
B) Both A and R are true, but R is not the correct explanation of A
C) A is true, but R is false
D) A is false, but R is true
Correct Answer: B
Solution :
Calcium involved in selective permeability of cell membranes. It activates certain enzymes required for development of stem and root apex and as calcium pectate in the middle lamella of cell wall. The deficiency of calcium causes stunted growth, degeneration of meristems especially root apex, chlorosis, necrosis and curling.
You need to login to perform this action.
You will be redirected in
3 sec
