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.