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Transpiration — Biology STD 10 — Question

ICSE BoardEnglish MediumSTD 10BiologyTranspiration1 Mark
MCQ
From which part of a leaf does most water evaporate during transpiration?
  • A
    The cuticle
  • B
    The guard cells
  • ✓
    The spongy mesophyll cells
  • D
    The xylem vessels
✓

Answer

Correct option: C.
The spongy mesophyll cells
(c) The spongy mesophyll cells
Explanation:
During transpiration, water vapor is primarily lost through these spaces, making the spongy mesophyll a key site for water evaporation in leaves. These cells are part of the leaf's internal structure and contain large air spaces that facilitate gas exchange.

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