4. Exchange of gases in plants takes place through the :(a) stomata(b)

1.	4. Exchange of gases in plants takes place through the :(a) stomata(b) roots(c) buds(d) entire leaf surface5. 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» Answer: 4. (a) stomata 5. (d) NONE of these Hope it HELPS U,

4. Exchange of gases in plants takes place through the :(a) stomata(b) roots(c) buds(d) entire leaf surface5. 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»

Answer:

(a) stomata

(d) NONE of these

Hope it HELPS U,