Which of the following plants are grown in green house by exploiting a fact that higher CO2 leads more productivity?
a. Tomatoes
b. Papaya
c. Cycas
d. Pomegranate
In C4 plants, photorespiration does not occur-
1. | They have different RuBisCO. |
2. | They have no RuBisCO. |
3. | They have mechanism to increase the concentration of CO2 |
4. | They cannot utilize ATP |
Who gave the law of limiting factors and when?
a. Lieman-1906
b. Blackman-1905
c. Lieman-1905
d. Blackman-1906
Light is a limiting factor for plants in shade-
a. as they do not get full sunlight
b. as they do not get at most 10 % of full sunlight
c. as they do not get at least 50 % of full sunlight
d. as they do not get at most 70% full sunlight
C3 plants show saturation at----- ul/L.
a. 450
b. 360
c. 400
d Both a and b
What is the major limiting factor for photosynthesis?
1. CO2
2. Water
3. Sunlight
4. Chlorophyll
Temperature will affect which process more sensitively?
1. Dark process
2. Non Cyclic Process
3. Cyclic Process
4. Splitting of water
What kind of graph one will obtain if he observes CO2 fixation rates at low intensities?
a. Parabola
b. Linear
c. Circular
d. Hyperbola
At low light conditions, which plant responds to high CO2 conditions?
a. C3
b. C4
c. Neither
d. Both
At any point, the rate of photosynthesis is determined by the factor which is available at---------- levels.
a. optimal
b. higher than required
c. sub-optimal
d. won’t depend