Question

6. The opening and closing of the stomatal pores depends upon :
(a) oxygen (b) water in guard all
(c) temperature (d) concentration of Co in stomata

7. The oxygen liberated during photosynthesis by green plants come from:
(a) glucose (b) water
(c) carbon dioxide (c) chlorophyll

8. Gaseous exchange in plants takes place through:
(a) stomata (b) chloroplast
(c) lenticels (d) cuticle

Answer me correctly .​

Answer 1

Answer:

(b)water in guard cell

(b) water

(a)stomata