Practice question
Question
Subsidiary cells mainly help guard cells in:
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.