In monocots like grass, the upper epidermis or adaxial surface has a motor or bulliform cells. These cells are large, empty colourless cells and are present along the veins. These cells by osmotic changes help in the rolling and unrolling of leaf lamina, which regulates the rate of transpiration.
Large, empty colourless cells of the adaxial epidermis along the veins of grass leaves are:
NEET UG 2020 — Botany Anatomy of Flowering Plants
Large, empty colourless cells of the adaxial epidermis along the veins of grass leaves are:
Held on 30 Apr 2020 · Verified 9 Jul 2026.
Options
- A
Lenticels
- B
Guard cells
- C
Bundle sheath cells
- D
Bulliform cells
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