Photosynthesis in Higher PlantsMedium
Question
The main function of bulliform cells in grasses is :
Options
A.to make the leaf impermeable to fungal spores.
B.to transport water.
C.to perform photosynthesis.
D.to minimize water loss during water stress.
Solution
Sol. [Key Concept: Bulliform cells cause leaf rolling to reduce water loss in grasses] Bulliform cells are large empty colourless cells that lose water and become flaccid in water scarce condition. Hence they curl the leaf inwards to minimize water loss by reducing the exposed surface area.
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