Q. Exchange of gases occurs in leaves through
Solution:
- In botany, a stoma is a tiny opening or pore that is used for gas exchange.
- They are mostly found on the under-surface of plant leaves.
- In a stoma, there is the chloroplast, a cell wall, a vacuole and a cell nucleus.
- Air enters the plant through these openings.
- The carbon dioxide is used in photosynthesis.
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