Question

Plant takes carbon dioxide from air through tiny openings found in the:

• A. Fruit
• B. Leaves
• C. Root
• D. Stem

Answer 1

The correct option is B

Leaves

The correct option is (B):

Explanation for correct option:

1. The leaf surfaces have small pores called stomata.
2. Stomata help with transpiration and the exchange of gasses.
3. Carbon dioxide from air enters the leaves through the stomata.
4. This carbon dioxide is used to make food by the process of photosynthesis in the leaves.

Explanation for incorrect options:

Option (A):

1. Ovary of the flower develops into fruits after fertilization.
2. Fruits do not have stomata for the exchange of gasses.

Option (C):

1. Roots contain small pores called lenticels which partially facilitate gaseous exchange.
2. But the main function of the roots is to absorb water from the soil.

Option (D):

1. Stems possess pores called lenticels that allow the exchange of gasses.
2. But the main function of the stem is the conduction of food, water and minerals.

Final Answer: Plant takes carbon dioxide from air through tiny openings found in the leaves.