Question

4. Exchange of gases in plants takes place through the :
(a) stomata
(b) roots
(c) buds
(d) entire leaf surface
5. Normal range of breathing rate in an average adult person at rest is :
(a) 9 to 12
(b) 15 to 18
(c) 12 to 20
(d) none of these​

Answer 1

Answer:

4.

(a) stomata

5.

(d) none of these

Hope it helps u,

Answer 2

Answer:

4. Stomata (ANS)

5. 12 to 20 ( ANS).