1
Question
Desert plants take up CO2 during _____ .
Desert plants take up CO2 during _____ .
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Solution
The correct option is B Night
- Desert plants have a special mechanism known as CAM metabolism (Crassulacean acid metabolism).
- During day the stomata are closed to conserve water molecules. At nights, the Carbon dioxide is converted to an acid and stored.
- This acid is then utilized by plants during photosynthesis at day time.
Hence, Desert plants like cactus and agaves take up CO2 at night time.Option 'C' is correct.
- Desert plants have a special mechanism known as CAM metabolism (Crassulacean acid metabolism).
- During day the stomata are closed to conserve water molecules. At nights, the Carbon dioxide is converted to an acid and stored.
- This acid is then utilized by plants during photosynthesis at day time.
Hence, Desert plants like cactus and agaves take up CO2 at night time.
Option 'C' is correct.
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