Question

An appartus used for nessessary the rate of trnspiration​

Answer 1

Answer:

A potometer (from Greek ποτό = drunken, and μέτρο = measure), sometimes known as a transpirometer, is a device used for measuring the rate of water uptake of a leafy shoot which is almost equal to the water lost through transpiration. The causes of water uptake are photosynthesis and transpiration.

Explanation:

Transpiration is a process that involves loss of water vapour through the stomata of plants. Transpiration is thought to be a 'necessary cost or evil' to allow the plant to absorb water from the soil. It is an inevitable process.

Transpiration is important in plants for three major reasons:

Cooling of the plant: the loss of water vapour from the plant cools down the plant when the weather is very hot.

The transpirational pull: when the plant loses water through transpiration from the leaves, water and mineral salts from the stem and roots moves, or is `pulled', upwards into the leaves. Water and is therefore taken up from the soil by osmosis and finally exits the plants through the stomata.

Plant structure: young plants or plants without woody stems require water for structural support. Transpiration helps maintain the turgidity in plants.

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Answer 2

transpirometer

A potometer (from Greek ποτό = drunken, and μέτρο = measure), sometimes known as a transpirometer, is a device used for measuring the rate of water uptake of a leafy shoot which is almost equal to the water lost through transpiration. The causes of water uptake are photosynthesis and transpiration.