NEET 2024 · BiologyBulliform cellsPrevious Year Question
Bulliform cells are responsible for
Answer: (D) Inward curling of leaves in monocots.. Answer: (D) Inward curling of leaves in monocots.
- A.Protecting the plant from salt stress.
- B.Increased photosynthesis in monocots.
- C.Providing large spaces for storage of sugars.
- D.Inward curling of leaves in monocots.✓
Correct Answer
(D) Inward curling of leaves in monocots.
Solution & Explanation
Answer: (D) Inward curling of leaves in monocots. Solution: Bulliform cells are large, empty, colourless adaxial epidermal cells found along the veins in grasses (monocots). When turgid (full of water) they keep the leaf surface exposed; when flaccid under water stress they lose turgor and cause the leaf to curl inwards, which reduces the exposed surface area and minimises transpirational water loss. NCERT Reference: NCERT Class XI, Ch 6 Anatomy of Flowering Plants, p.77, line ~22: "When they are flaccid due to water stress, they make the leaves curl inwards to minimise water loss."
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