Question

Answer the following question

1. why do leaves look green
2. how do guard cell open and close ​

Answer 1

Explanation:

leaves are green in colour due to presence of chlorophyll in it...

When the water enters the cells, they swell and become bowed. This causes the guard cells to bend away from each other, thereby opening the stomata. Conversely, when guard cells lose potassium ions, water diffuses out of the cells by osmosis.

I hope this helps u

Answer 2

Answer:

1. ans. leaves look green because it has chlorophyll in it

Explanation:

2. ans. The opening and closing of stomata are controlled by the guard cells. When water flows into the guard cells, they swell up and the curved surface causes the stomata to open. When the guard cells lose water, they shrink and become flaccid and straight thus closing the stomata