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Transpiration — Biology STD 10 — Question

ICSE BoardEnglish MediumSTD 10BiologyTranspiration3 Marks
Question
Given below is an experimental set up to study a particular process:

(i) Name the process being studied.
(ii) Explain the process named in (i) above.
(iii) Why is the pot covered with a plastic sheet?
(iv) Mention one way in which this process is beneficial to the plant.
(v) Suggest a suitable control for this experiment.
✓

Answer

(i)
  1. Cuticle,
  2. Upper epidermis,
  3. Palisade tissue,
  4. Spongy parenchyma,
  5. Guard cell of a stoma.
    (ii) In the day time dotted arrow shows the path of $CO_2$​​​​​​​ while solid arrow shows the path of oxygen. A night dotted arrow shows the path of oxygen while the solid arrow shows the path of $CO_2:$
    (iii) Yes, we can add one more arrow in the figure to show the loss of water during transpiration.
    (iv) Only one leaf vein has been shown in this section.

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