How do leaves help the plants in excretion of their wastes?

Question

Answer

《》Excess of water in plants is discarded by transpiration and guttation that takes place through leaves.
•••Carbon dioxide and oxygen that can be considered as waste products of respiration and photosynthesis respectively are excreted through stomata present on leaves....

Answer

Coz The Main waste Product of Plants are CO2, WATER VAPOUR N O2.

THEY are Remover by Stomata Which R present in leaves..

That's Why they play an important role in Excretion in plant

Answer

Leaves is useful in plants in excretion as

1) it helps in the removal of excess water present in the leaf
2) it also help in the gaseous exchange

Answer

Introduction:
Leaves play a crucial role in the excretion of waste materials in plants. They are the main sites for various metabolic activities, including the production and elimination of waste products. Through a process called transpiration, leaves facilitate the removal of excess water, minerals, and other waste substances from the plant's system. Let's delve into the details of how leaves aid in the excretion of plant wastes.

1. Transpiration:
Leaves are equipped with tiny openings called stomata, primarily found on the underside of the leaf surface. These stomata allow for the exchange of gases and water vapor between the plant and the atmosphere. During transpiration, water molecules evaporate from the leaf's surface, creating a suction force that pulls water and dissolved waste substances from the roots and other parts of the plant.

2. Removal of excess water:
One of the waste materials that plants need to eliminate is excess water absorbed from the soil. Through the process of transpiration, the leaves release water vapor into the atmosphere, effectively removing excess water from the plant's system. This prevents waterlogging and helps maintain the plant's overall water balance.

3. Elimination of metabolic waste:
Plants produce various waste products as a byproduct of their metabolic activities. These waste substances include excess salts, toxins, and metabolic byproducts such as urea. Leaves aid in the elimination of these waste materials through transpiration. As water evaporates from the leaf's surface, it carries these waste substances along with it, effectively removing them from the plant's system.

4. Storage of waste substances:
In addition to facilitating the excretion of waste substances, leaves also serve as storage sites for certain waste materials. For instance, some plants store excess salts in specialized cells within their leaves. These cells, known as salt glands or bladder cells, accumulate and secrete excess salts, preventing their accumulation to toxic levels in other parts of the plant.

Conclusion:
Leaves are critical for the excretion of waste materials in plants. Through transpiration, they aid in the removal of excess water, minerals, and various waste substances from the plant's system. Leaves also serve as storage sites for certain waste materials, preventing their accumulation to harmful levels. The intricate mechanisms of leaf function ensure the maintenance of a healthy internal environment within plants, promoting their overall growth and survival.

Similar Class 10 Doubts

Plants do excretion by leaves and they do excretion by fruit or not?

Respiration in plants occurs in leaves and other parts also. Why do we don't use leaves instead of seeds in this experiment ?

Which of the following is NOT a method used by plants for excretion?

Name the plant hormone that inhabits growth and also help in wilting of leaves ?

what is the function of stomata in excretion in plants Related: Excretion in Plants?

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