Stomata of CAM plants:

1. Are always open
2. Open during the day and close at night
3. Open during the night and close during the day
4. Never open

Subtopic:  CAM Pathway |
 76%
Level 2: 60%+
AIPMT - 2003
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Plants adapted to low light intensity have:

1. Higher rate of CO2 fixation than the sun plants
2. More extended root system
3. Leaves modified to spines
4. Larger photosynthetic unit size than the sun plants

Subtopic:  CAM Pathway |
Level 3: 35%-60%
AIPMT - 2004
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