Question

Which of the following cells is an epidermal cell containing chloroplast :

• A. Hydathode
• B. Stomata
• C. Guard cells
• D. None of these

Answer 1

The correct option is C

Guard cells

The correct option is C:

Explanation of the correct option :

1. Guard cells are specialized and the only epidermal cells containing chloroplasts.
2. They are mainly responsible for the opening and closing of stomata.
3. These chloroplasts act as photoreceptors and are involved in the light-induced opening of stomata.
4. They are also responsible for carrying out the process of photosynthesis in guard cells.

Explanation of the incorrect option :

Option A:

Hydathodes are present as pores in the epidermis that leak out water.

Option B :

Stomata are cells present in the leaves of plants that are responsible for gaseous exchange.

Final answer: Guard cells are epidermal cells containing chloroplast.