Question

question 93
the site of water uptake in the root is the ______.
a stomata
b root cap
c root hairs
d pistils
e ethylene

Explanation:

• Option A: Stomata are on leaves, for gas exchange, not root water uptake.
• Option B: Root cap protects root tip, not for water uptake.
• Option C: Root hairs increase root surface area, enabling efficient water and nutrient uptake from soil.
• Option D: Pistils are female reproductive parts of flowers, unrelated to root water uptake.
• Option E: Ethylene is a plant hormone, not a root structure for water uptake.

Answer:

C. root hairs