Significance of CAM pathway

Q.

___________ tends to have thicker cuticles to cut down transpiration.

1. Land plants

2. Water plants

3. Forest plants

4. Desert plants

Q.

Why doesnt the stomata remain open during night?

Q. Assertion :Stomata are ''turgor operated valves'' Reason: Stomata show reversible turgor changes

1. Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
2. Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
3. Assertion is correct but Reason is incorrect
4. Both Assertion and Reason are incorrect

Q.

Cacti and many desert plants are _____ plants.

1. CAM

2. none of the above

3. C4

4. C3

Q. CAM helps the plants in:

1. Reproduction
2. Conserving water
3. Disease resistance
4. Secondary growth

Q. __

stomata open during night and remain closed during the day time