Question

Plants take in carbon dioxide mainly through their

• A. roots
• B. stem
• C. leaves
• D. flowers

Answer 1

The correct option is C

leaves

The correct option is option (C):

Explanation for the correct option:

1. Carbon dioxide is an essential compound for photosynthesis.
2. Carbon Dioxide is absorbed from the air through small openings present on the surface of leaves.
3. These openings are called stomata.

Explanation for the incorrect option:

Option (A):

Roots are the part of plants which is present inside the soil. Roots are concerned with the absorption of water and nutrients from the soil.

Option (B):

Stems are the main trunk of plants. Young stems contain stomata which help in respiration.

Option (D):

Flowers are the reproductive organs of plants. Flowers help in the pollination of plants.

Final answer: Carbon dioxide is absorbed through leaves.