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  • Plant Nutrition: Photosynthesis, Nutrient Absorption and Storage
  • Which of the following structures control the opening and...
Multiple choice

Which of the following structures control the opening and closing of stomata?

  1. Pollen grains

  2. Guard cells

  3. Petals

  4. Mitochondria

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Opening and closing of stomata is controlled by guard cells.

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