The opening and closing of stomata due to the activity of water is known as:

Stomata open because of

Identify the purposes of transpiration.
$I -$ Transpiration creates a transpiration pull for absorption and transport in plants.
$II -$ It supplies water for photosynthesis.
$III -$ It transports minerals from the soil to all parts of the plant.
$IV -$ It cools leaf surfaces by $10-15^{\circ} C$ through evaporation.
$V -$ It maintains the shape and structure of plants by keeping cells turgid.

Which of the following is the most likely cause for the wider opening of stomata?

In the mechanism of opening of stomata,the important factor is the

Which statement is true regarding the rate of transpiration in a dorsiventral (dicot) leaf?