Question

The tiny opening in the epidermis of a leaf

• A. Lenticels
• B. Guard cells
• C. Stomata
• D. Intercellular space

Answer 1

The correct option is C

Stomata

The correct option is (c) Stomata

Explanation of the correct option:

1. Stomata are the tiny pores present on the epidermis of leaves.
2. One can observe stomata under a light microscope.
3. In some of the plants, stomata are also present on stems and other green parts of the plant.
4. Stomata play an important role in exchange of gases and water from the surface of leaves..
5. They also control the rate of transpiration by opening and closing of stomatal pores.

Explanation of the incorrect option:

Option A:

Lenticels are opening present on the stem of the plant for gaseous exchange.

Option B:

Guard cells are a pair of cells that are present right outside the stomatal pore and guard the opening and closing of stomata.

Option D:

Intercellular space is the space present between cells.

Final answer: The tiny opening in the epidermis of a leaf is stomata.