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Water can not diffuse through...

Water can not diffuse through

A

Cuticularized or suberized wall

B

Lignified wall and cellulosic wall

C

Silica rich cell wall of diatoms and fungual cell wall

D

Plasma membrane and bacterial cell wall

Text Solution

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The correct Answer is:
**Step-by-Step Solution:** 1. **Understanding the Question**: The question asks which type of cell wall does not allow water to diffuse through it. We need to analyze the options provided to determine which cell wall has properties that prevent water movement. 2. **Analyzing the Options**: - **Cuticularized or Subarized Wall**: These walls have a waxy coating (cuticle) that prevents water from diffusing through. - **Lignified Wall**: Lignin is a complex organic polymer that provides rigidity but does not completely block water diffusion. - **Cellulosic Wall**: Cellulose is permeable to water, allowing it to pass through. - **Silica Rich Cell Wall of Diatoms**: These walls contain silica but still allow water to pass. - **Fungal Cell Wall**: Composed of chitin, which is also permeable to water. - **Plasma Membrane**: This selectively permeable membrane allows water to pass through via osmosis. - **Bacterial Cell Wall**: Generally permeable to water. 3. **Identifying the Correct Answer**: Among all the options, the cuticularized or subarized wall is the only one that has a waxy coating that prevents water diffusion. Therefore, the correct answer is the **cuticularized or subarized wall**. 4. **Conclusion**: Water cannot diffuse through the cuticularized or subarized wall due to the presence of a waxy layer that acts as a barrier. ---
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