The main function of bulliform cells in grasses is :

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

Attempt this NEET 2026 Biology question free — pick an option to reveal the correct answer and a step-by-step explanation. Then join NEET Mastery Quest to practise 15,000+ PYQ and 2027-syllabus questions.