(b) Guard cells are found in (i) roots (ii) stomata (iii) lenticels (iv) All of these
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Answer:
Stomata
Explanation:
Guard cells are found in stomata. They are involved in exchange of gases.
- Lenticels do not have chloroplast and are unable in performing photosynthesis.
- Roots lack stomata.
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1
Answer:
Stomata
Explanation:
Guard cells are specialized plant cells in the epidermis of leaves, stems, and other organs that are used to control gas exchange. They control the influx of CO₂ and efflux of water from leaves. Opening and closing of stomata occur due to turgor pressure changes in guard cells.
Lenticels do not have chloroplast and are unable to perform photosynthesis and do not contain guard cells. They are made up of parenchymatous cells and the pores always remain open, unlike stomata.
Stomata are not generally seen in roots of plants but there are exceptions
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