Which one of the following denotes the water potential of the mesophyll cell in wilted condition?

Identify the correct relationship with reference to water potential of a plant cell.

The values osmotic potential π and pressure potential ρ of cells A, B, C and D are given below:

Steroid hormones easily pass through the plasma membrane by simple diffusion because they

Assertion (A): K⁺ ion accumulation found in Nitella depends on its respiratory activity.

Reason (R): Absorption of all ions in plants completely depends on the usage of metabolic energy.

The correct answer is

Guttation is the result of

Humidity in atmosphere decreases rate of

Living cells placed in isotonic solution (0.9% saline) retain their size and shape. This is based on the concept of

Hydathodes are also called

When pea seeds and wheat grains are soaked in water, pea seeds showed more swelling than the wheat. The reason is