Select the correct statement regarding microfibrils.

For the existence of nitrogen in its stable molecular form,how many nitrogen atoms are required?

Out of $95\%$ of surplus water lost by plants in atmosphere through aerial parts, the water lost in liquid form constitutes . . . . . . .

How many statements from the following are correct?
$(a)$ In plants,phosphorylation occurs by three different ways.
$(b)$ Substrate level phosphorylation is a direct phosphorylation of $ADP$ by transfer of a phosphate group from any suitable substance.
$(c)$ Substrate level phosphorylation occurs in the cytoplasm of the cell only.
$(d)$ Oxidative phosphorylation occurs on the inner mitochondrial membrane only.

Meaningful girdling (Ringing) experiments cannot be done on sugarcane because

Decarboxylation is not involved in