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When you put a plant cell fungal cell or a bacterial cell in a very dilute external medium, the plant cell or fungal cell will absorb mm but will not
Question

When you put a plant cell fungal cell or a bacterial cell in a very dilute external medium, the plant cell or fungal cell will absorb mm but will not burst, whereas an animal cell will burst. Which part of the plant cell helps it to withstand the pressure of incoming water?

A.

Cell wall

B.

Plasma membrane

C.

Cytoplasm

D.

Nucleus

Correct option is A

The correct answer is (a) Cell wall

ExplanationThe cell wall of a plant cell helps it withstand the pressure of incoming water

Information Booster: Cell wall & Turgor Pressure

  • Cell wall- The cell wall is a rigid, carbon-based structure that provides mechanical strength and shape to the plant cell. It's made of complex polysaccharides like pectin and glycan, and some microfibers. The cell wall acts as a pressure regulator for the plant cell.
  • Turgor pressure- Turgor pressure is the pressure that water in a cell exerts on its cell walls. When water enters a plant cell through diffusion, it develops wall pressure inside the cell. The cell wall exerts an equal pressure against the swollen cell.

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