Question:

Growing CAM plants in the bed room is advantageous because

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CAM plants open stomata at night for CO\(_2\) fixation and close them during the day to minimize water loss; this adaptation makes them suitable for indoor environments.
Updated On: Jun 19, 2026
  • They release CO\(_2\) during night time
  • They release O\(_2\) in the night
  • They fix CO\(_2\) in the night
  • They release H\(_2\)O during night
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The Correct Option is C

Solution and Explanation

Step 1: Understanding CAM plants.
CAM (Crassulacean Acid Metabolism) plants are adapted to arid conditions.
- They open their stomata at night to fix CO\(_2\), storing it as malic acid in vacuoles.
- During the day, stomata remain closed to conserve water while CO\(_2\) is released from malic acid for photosynthesis.

Step 2: Advantage in bedrooms.

- Since CAM plants take in CO\(_2\) at night, they do not release CO\(_2\) or reduce oxygen at night.
- They contribute to better air quality by fixing CO\(_2\) instead of releasing it when humans are present.

Step 3: Conclusion.

Hence, growing CAM plants indoors is advantageous because they fix CO\(_2\) during the night.
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