Biology NEET Previous Year Question Paper NEET 2026 Previous Year Question Paper Single Correct MCQ
Published on: August 11, 2026

The main function of bulliform cells in grasses is:

A
to perform photosynthesis.
B
to minimize water loss during water stress.
C
to make the leaf impermeable to fungal spores.
D
to transport water

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Text Solution

Verified by Experts
The correct answer is:
B

Minimize water loss: When water is scarce, bulliform cells lose water and become flaccid, causing the leaves to roll or curl inwards. This reduces the surface area exposed to sunlight and decreases transpiration.

Photosynthesis: Performed by mesophyll cells.

Fungal defense: Primarily a function of the cuticle and epidermis.

Water transport: Handled by xylem vessels.

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