Multiple choice

Which of the following allows uptake of water by root hair through osmosis?

  1. Higher concentration of water molecules in root cells.

  2. Increased surface area of roots by root hairs

  3. Low concentration of water molecules in soil.

  4. Semi permeability of plasma membrane of root hair cells.
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Osmosis occurs across semi permeable membrane. It allows movements of water from soil (high concentration of water) to the root hair (low concentration of water)

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