Question

a.
Name the process illustrated in the above diagram which leads to evaporative loss of water
from the leaves of a plant. Define the process.
b. Mention one significance of this process.
C. Name three factors that affect the rate this process.
​

Answer 1

A.The process illustrated in the below illustration which leads to evaporative loss of water from the leaves of a plant is called transpiration. Transpiration is the process by which water is lost from plants through the stomata on their leaves. It's a natural and necessary process for plants, as it helps to regulate their temperature and maintain their shape.

B.During transpiration, water is absorbed by the roots of the plant and transported up to the leaves through specialized tubes called xylem. formerly in the leaves, water evaporates from the face of the cells and diffuses out through small pores called stomata. This creates a negative pressure or pressure in the xylem, which pulls further water up from the roots to replace what has been lost.

One significance of transpiration is that it helps to cool plants down. As water evaporates from the face of leaves, it takes heat with it, analogous to how sweating cools us down on a hot day. This cooling effect can be particularly important for plants growing in hot surroundings or under direct sun.

C.Three factors that affect the rate of transpiration include

1. moisture When the air around a plant is sticky, there's formerly a lot of humidity in the air, so less water will dematerialize from the leaves.

2. Temperature Advanced temperatures can increase the rate of transpiration because they beget water to dematerialize more snappily.

3. Wind When there's wind blowing over a plant, it can carry away any humidity that has faded from the leaves, adding the rate of transpiration.

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