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MHT CET · BIOLOGY · STD 12 - 8. Respiration and Circulation

Select the correct statements from the following regarding gaseous exchange in plants.
Choose the correct option given below.
A. A terrestrial plant has many air spaces between the cells of leaf and root.
B. Woody trees have stomata on bark.
C. In aerated soil, oxygen dissolved in water enters root tissue by diffusion.
D. Vascular bundles provide thin and large surface area for exchange of gases.
E. Carbon dioxide and water vapour diffuse into lenticels.

  1. A A and C only
  2. B A and B only
  3. C C,D and E only
  4. D B, C and D only
Verified Solution

Answer & Solution

Correct Answer

(A) A and C only

Step-by-step Solution

Detailed explanation

(B)Woody trees have lenticels on the bark.
(D)In plants, gaseous exchange takes place through stomata and lenticels.
(E)Carbon dioxide and water vapour diffuse out through lenticels.