Which of the following will become a limiting factor for photosynthesis under cold conditions?
1. Water
2. CO2 concentration
3. Chlorophyll
4. Temperature

Subtopic:  Factors Affecting Photosynthesis |
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In which of the following cases, light will become a limiting factor?
1. In case of high light intensity
2. In case of low temperature
3. In case of plants in dense forests
4. In case of water scarcity
Subtopic:  Factors Affecting Photosynthesis |
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What effect will be observed on rate of photosynthesis, if the light intensity given to the plant is 10 percent of the full sunlight?
1. It will increase
2. It will decrease
3. It will saturate
4. The process will be stopped
Subtopic:  Factors Affecting Photosynthesis |
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Which among the following is the major limiting factor for photosynthesis?
1. Light
2. CO2 concentration
3. Temperature
4. Water
Subtopic:  Factors Affecting Photosynthesis |
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In order to achieve higher yield of bell pepper, how CO2 concentration should be modified?
1. Higher CO2 concentration should be given
2. Lower CO2 concentration should be given
3. No CO2 concentration should be given
4. CO2 concentration needs no modification
Subtopic:  Factors Affecting Photosynthesis |
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All of the following plants have higher value of optimum temperature, except
1. C4 plants
2. Tropical plants
3. Xerophytic plants
4. Temperate plants
Subtopic:  Factors Affecting Photosynthesis |
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Select the odd one out w.r.t. water stress
1. Reduces CO2 availability
2. Reduces metabolic activity
3. Reduces temperature
4. Reduces transpiration
Subtopic:  Factors Affecting Photosynthesis |
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In a hypothetical condition, if the thylakoid membrane tears off causing the lumen of thylakoid continuous with the stroma, which of the following processes is likely to be most affected?
1. Reduction of NADP+ to NADPH
2. Absorption of sunlight by chloroplast
3. Movement of electrons from PS II to PS I
4. ATP synthesis
Subtopic:  Chemiosmotic hypothesis |
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In C4 plants, bundle sheath cells
1. Are rich in RuBisCo enzyme
2. Are rich in PEP case enzyme
3. Are not the sites of Calvin cycle
4. Are not the sites of release of CO2
Subtopic:  C4 Cycle (Hatch & Slack Pathway) |
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Mark the incorrect statement w.r.t. C4 plants
1. They have a special type of leaf anatomy.
2. They can tolerate higher temperatures.
3. They lack a wasteful process called photorespiration
4. They show lower productivity and minimum yield as compared to the C3 plants.

 
Subtopic:  C4 Cycle (Hatch & Slack Pathway) | C4 Plants Examples |
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