Question

Root hairs are present in the outermost layer of root called.

• A. dermis
• B. epidermis
• C. cortex
• D. xylem

Answer 1

The correct option is B

epidermis

The correct option is B.

Explanation of the correct option:

1. Plants absorb water and minerals from the soil.
2. The absorption of the water and minerals takes place through the root hairs which are present on the roots.
3. Root hairs are unicellular and thin walled out growths of the epidermis, which is the outer most layer of root.

Explanation of the incorrect options:

Option C:

Cortex: Tissue of unspecialized cells lying between the epidermis and the vascular, or conducting, tissues of stems and roots.

Option D:

Xylem is the conducting tissue which conducts the water and minerals from the roots to different parts of the plant.

Final answer: Root hairs are present in the outermost layer of root called epidermis.