FAQ: What Is Transpiration In Biology?

Transpiration is the evaporation of water at the surfaces of the spongy mesophyll cells in leaves, followed by loss of water vapour through the stomata. Transpiration in the leaf. Water moves through the xylem vessels in a continuous transpiration stream: root → stem → leaf.

What is transpiration short answer?

Transpiration is the loss of water from a plant in the form of water vapor. Water is absorbed by roots from the soil and transported as a liquid to the leaves via xylem. In the leaves, small pores allow water to escape as a vapor.

What is transpiration in biology class 10?

Transpiration is the process of loss of water through the stomata present on the leaves of plants. Stomata are the minute openings present on the lower epidermis of the leaf surface. Transpiration helps plants to supply water from roots to top parts of plants thereby distributing water to all parts of the plant.

What is transpiration in plants?

“Transpiration is the biological process by which water is lost in the form of water vapour from the aerial parts of the plants.”

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What is transpiration and its function?

This is transpiration. It has two main functions: cooling the plant and pumping water and minerals to the leaves for photosynthesis. Transpiration is an evaporative cooling system that brings down the temperature of plants, but since it leads to water loss, it must be accurately regulated.

What is Transpiration long answer?

Transpiration is the process in which plants release the water inside it in the form of moisture or water vapor. Roots consume some amount of water from the soil and the rest evaporates in the atmosphere. In other words, it is the process in which water evaporates in the atmosphere from plant leaves and other parts.

What is called Transpiration?

Transpiration is the process of water movement through a plant and its evaporation from aerial parts, such as leaves, stems and flowers. Transpiration also cools plants, changes osmotic pressure of cells, and enables mass flow of mineral nutrients and water from roots to shoots.

What is Transpiration Class 9?

(i) Transpiration: It is the loss of water in the form of water vapour from aerial parts of the plant. (ii) During transpiration, water comes out in the form of water vapour.

What is Transpiration Ncert?

Exercises. Q7. Answer: Transpiration is the evaporation of excess water from the surface of a leaf, through the stomata. Transpiration produces a cooling effect and thus saves the plant from the hot sun.

What is Transpiration Class 10 samacheer?

Ans: Transpiration is the evaporation of water from the aerial parts of the plant body mainly through stomata in the leaves.

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How do you explain transpiration to a child?

Transpiration is the evaporation of water from plants, especially leaves. It is a type of translocation and part of the water cycle. The amount of water lost by a plant depends on its size, the light intensity, temperature, humidity, wind speed, and soil water supply.

What is respiration and transpiration?

Respiration – the process of metabolizing (burning) sugars to yield energy for growth, reproduction and other life processes. Transpiration – the loss of water vapor through the stomata of leaves.

What causes transpiration?

Transpiration is caused by the evaporation of water at the leaf–atmosphere interface; it creates negative pressure (tension) equivalent to –2 MPa at the leaf surface. Evaporation from the mesophyll cells produces a negative water potential gradient that causes water to move upwards from the roots through the xylem.

What are the 3 functions of transpiration?


  • transporting mineral ions.
  • providing water to keep cells turgid in order to support the plant.
  • providing water to leaf cells for photosynthesis.
  • keeping the leaves cool by evaporation.

How does transpiration help plants?

Transpiration provides water for the process of photosynthesis. Transpiration helps in cooling the structures of the plant when exposed to hot sunlight. Transpiration helps the cells to maintain their turgidity. Excess water is removed from the cells of the plant to prevent plant decay.

What happens if there is no transpiration in plants?

If the process of transpiration stops in plants, then the excess water inside the plants will not be able to come out. Hence, the plants will burst due to the presence of excess of water inside them.

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