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What is the main role of guard cells in plant physiology?

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Question: What is the main role of guard cells in plant physiology?

Options:

  1. Photosynthesis
  2. Water storage
  3. Regulating gas exchange
  4. Nutrient absorption

Correct Answer: Regulating gas exchange

Solution:

Guard cells regulate the opening and closing of stomata, thus controlling gas exchange and transpiration in plants.

What is the main role of guard cells in plant physiology?

Practice Questions

Q1
What is the main role of guard cells in plant physiology?
  1. Photosynthesis
  2. Water storage
  3. Regulating gas exchange
  4. Nutrient absorption

Questions & Step-by-Step Solutions

What is the main role of guard cells in plant physiology?
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