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Question

Subsidiary cells mainly help guard cells in:

Options

Choose one · Correct answer highlighted

Explanation

Answer: C) Regulation of stomatal aperture. For STOMATA MOVEMENT, remember the key idea and you’ll land on this option; the distractors usually swap cause and effect or confuse similar terms. Avoid: A) Photosynthesis; B) Mechanical support; D) Ion synthesis. Name the process first, then pick the option that describes it — don’t reverse cause and effect.