Guard cells swell when _____ flows into them, causing the stomatal por…

Question

Guard cells swell when _____ flows into them, causing the stomatal pore to open.

Accepted Answer

C. water

1. Stomata open when guard cells become turgid.
2. Turgidity is caused by water flowing into the guard cells.
3. Hence water flowing in opens the stomatal pore.
_Source: RRB Group D CEN-02/2018 PYQ, Q.40._

Answer

enzyme

Answer

chemical

Answer

hormone

Guard cells swell when _____ flows into them, causing the stomatal pore to open.

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