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 |
 90%
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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 |
 67%
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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 |
 71%
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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 |
 66%
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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) |
 86%
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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 |
 91%
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Kranz anatomy is not characterised by the presence of:
1. Bundle sheath
2. Palisade mesophyll
3. Spongy mesophyll
4. Stomata
Subtopic:  C4 Cycle (Hatch & Slack Pathway) | C4 Plants Examples |
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Kranz anatomy is found in?
1. C3 plants
2. only in monocots
3. Both C4 and C3 plants
4. C4 plant
Subtopic:  C4 Cycle (Hatch & Slack Pathway) |
 93%
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Chl- b differs from chl-a by:
1. −CH3 group
2. CHO group
3. COOH group
4. CH2OH group
Subtopic:  Pigments |
 62%
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Herbicide that blocks electron transport from PS -II to PS-I by inhibiting electron flow between plastoquinone cytochrome is:
1. DCMU
2. Paraquat
3. DCPIP
4. None of these
Subtopic:  Light Reaction: Electron Transport |
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