Stomata

Question 1

What happens if a plant loses too much water?

Answer 1

The leaves will wilt if this happens for a long time then the operant wont be able to photosynthesise and will die

Question 2

Stomata are open at

Answer 2

Day time too get carb in dioxide in four photosynthesis

Question 3

Stomata are closed at

Answer 3

Night - no light means that there is no photosynthesis sob the plant does not need to let co2 in

Question 4

Observations from nail varnish practical

Answer 4

There were stigmata on the upper and lower surfaces of the leaf but lots more in the underside if the leaf

Question 5

Can you suggest how leaves are adapted for quick diffusion of carbon dioxide to reach all cells for photosynthesis?

Answer 5

1 lots if stomata to let co 2 in and water and oxygen out
2 leaves are thin so there is a small distance fir them to diffuse over
3 there are air spaces inside the leaf - gases diffuse faster in the air than they do straight through cells