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Q. No.The process which makes a major difference between C3 and C4 plants is:
1.
glycolysis
2.
Calvin cycle
3.
photorespiration
4.
respiration
Subtopic: Photorespiration |
91%
From NCERT
NEET - 2016
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Which of the following is not a product of light reaction of photosynthesis?
| 1. | ATP | 2. | NADH |
| 3. | NADPH | 4. | Oxygen |
Subtopic: Light Reaction: Photophosphorylation |
73%
From NCERT
NEET - 2018
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Oxygen is not produced during photosynthesis by:
| 1. | Green sulphur bacteria | 2. | Nostoc |
| 3. | Cycas | 4. | Chara |
Subtopic: Historical View: Experiments |
84%
From NCERT
NEET - 2018
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With reference to factors affecting the rate of photosynthesis, which of the following statements is not correct?
| 1. | Increasing atmospheric CO2 concentration up to 0.05% can enhance the CO2 fixation rate |
| 2. | C3 plants respond to higher temperatures with enhanced photosynthesis while C4 plants have much lower temperature optimum |
| 3. | Tomato is a greenhouse crop that can be grown in CO2 enriched atmosphere for higher yield |
| 4. | Light saturation for CO2 fixation occurs at 10% of full sunlight |
Subtopic: Factors Affecting Photosynthesis |
79%
From NCERT
NEET - 2017
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Phosphoenol pyruvate (PEP) is the primary CO2 acceptor in:
1. C4 plants
2. C2 plants
3. C3 and C4 plants
4. C3 plants
Subtopic: C4 Cycle (Hatch & Slack Pathway) |
83%
From NCERT
NEET - 2017
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Water-soluble pigments found in plant cell vacuoles are:
| 1. | chlorophylls | 2. | carotenoids |
| 3. | anthocyanins | 4. | xanthophylls |
Subtopic: Pigments |
59%
NEET - 2016
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A plant in your garden avoids photorespiratory losses, has improved water use efficiency, shows high rates of photosynthesis at high temperatures and has improved efficiency of nitrogen utilization. In which of the following physiological groups would you assign this plant?
| 1. | C4 | 2. | CAM |
| 3. | Nitrogen –fixer | 4. | C3 |
Subtopic: C4 Cycle (Hatch & Slack Pathway) |
87%
From NCERT
NEET - 2016
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Emerson’s enhancement effect and red drop have been instrumental in the discovery of?
| 1. | two photosystems operating simultaneously |
| 2. | photophosphorylation and cyclic electron transport |
| 3. | oxidative photophosphorylation |
| 4. | photophosphorylation and non-cyclic electron transport |
Subtopic: Redtrop Experiment | Emerson's Enhancement Experiment |
63%
NEET - 2016
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In chloroplast, the highest number of protons are found in?
1. lumen of thylakoids
2. intermembrane space
3. antennae complex
4. stroma
2. intermembrane space
3. antennae complex
4. stroma
Subtopic: Chemiosmotic hypothesis |
89%
From NCERT
NEET - 2016
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In photosynthesis, the light-independent reactions take place at?
1. Thylakoid lumen
2. photosystem I
3. photosystem II
4. Stromal matrix
Subtopic: Dark Reaction: Biosynthetic Phase |
70%
From NCERT
NEET - 2015
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