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The opening and closing of the stomatal pore depends upon
Aoxygen
Btemperature
Cconcentration of $\mathrm{CO}_{2}$ in stomata
Dwater in guard cells
Answer & Solution
Correct answer: D. water in guard cells
This Life Processes item tests a core Biology concept.
Correct answer: water in guard cells.
_Source: NCERT Exemplar Science Class 10 (NCERT)_
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