All of the Following Stimulate Stomata to Open in Most

question 10

Multiple Choice

All of the following stimulate stomata to open in most plants except

• A) low CO₂ levels within the leaf.
• B) sunlight.
• C) entry of K⁺ into guard cells.
• D) low levels of abscisic acid.
• E) loss of water from guard cells.

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Definitions:

Wavelength

The distance between consecutive crests or troughs in a wave, often used in the context of electromagnetic radiation.

Electromagnetic Radiation

Energy that travels through space in the form of waves, encompassing a broad spectrum from radio waves to gamma rays.

Absorption

The process by which one substance takes up or holds another substance at the interface between them or within its internal structure.

Photon Energy

The energy carried by a single photon, proportional to its frequency and inversely proportional to its wavelength.