At any point, the rate of photosynthesis is determined by the factor which is available at---------- levels.

1.	optimal	2.	higher than required
3.	sub-optimal	4.	won’t depend

Who gave the law of limiting factors and when?

What kind of graph one will obtain if he observes CO2 fixation rates at low intensities?

Light is a limiting factor for plants in shade-

What is the major limiting factor for photosynthesis?
1. CO2
2. Water
3. Sunlight
4. Chlorophyll

At low light conditions, which plant responds to high CO2 conditions?

C3 plants show saturation at----- ul/L.

Which of the following plants are grown in green house by exploiting a fact that higher CO2 leads more productivity?

Temperature will affect which process more sensitively?
1. Dark process
2. Non Cyclic Process
3. Cyclic Process
4. Splitting of water

Which plants can tolerate higher temperature?
1. C3
2. C2
3. C4
4. Both