The rupture and fractionation do not usually occur in the water column in vessel/ tracheids during the ascent of sap because of:

The carbohydrates synthesized in the leaves are transported through sieve tubes most commonly in the form of

According to Steward`s starch hydrolysis theory, which one of the following is the principal reason for the opening of stomata during daytime?

The sugarcane Plant has

The phytohormone, which increases the concentration of potassium in guard cells is also responsible for the induction of

Potometer works on the principle of

The first process by which water enters into the seed coat when a seed is placed in suitable environment for germination is

Cohesion theory of water movement in plants was put forth by

Study the following table showing the components of water potential in closely arranged mesophyll cells namely A, B and C.

Stomata open is due to accumulation of