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Question
Fig. represents the vertical section of a leaf.
- Name the parts labelled 1 to 5.
- What do the two arrows (dotted and solid) indicate in the daytime and at night?
- Could you add one more arrow in the figure? If yes, what for?
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Solution
-
- Upper Epidermis
- Palisade layer/chloroplast
- Xylem
- Phloem
- Guard cell
- The two arrows show the release of oxygen and water vapours during the daytime and carbon dioxide and very less amount of oxygen is released during the night.
- Yes, one more arrow can be added to show the absorption of carbon dioxide by the leaf.
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