Question

Shyam covered the leafy branch of plant with polythene bag and tied its mouth.he observed small droplets of water.
a)why did this happen?
b)Give two advantages of this process.

6th grade

Answer 1

because of transpiration.

 It helps in the exchange of gases. It helps in sending out excessively absorbed water by plants. It helps in the development of the plant body. It helps in the absorption and distribution of water in plants. It helps in the absorption and transport of mineral salts in plants. It provides coolness to the plant body.Osmotic balance of the cell is maintained by the process of transpiration.

Answer 2

This is due to the presence of small holes stomata at the surface of leaves of plants. The holes are used by plants to exchange gas,watervapour etc.
The advantages of this process i.e.transpiration are-
1- Helps the plants to remove excess of water.
2- Helps the plants to remove un necessary things.

Hope it helps