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Q. No.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%
From NCERT
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Kranz anatomy is not characterised by the presence of:
1. Bundle sheath
2. Palisade mesophyll
3. Spongy mesophyll
4. Stomata
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
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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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
1. DCMU
2. Paraquat
3. DCPIP
4. None of these
Subtopic: Light Reaction: Electron Transport |
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A plant is provided with ideal conditions for photosynthesis and supplied with isotope 14CO2 . When the products of the process are analysed carefully, what would be the nature of products?
1. Glucose and oxygen are labelled
2. Oxygen is labelled, but glucose is normal
3. Glucose and oxygen are normal.
4. Glucose is labelled, but oxygen is normal
1. Glucose and oxygen are labelled
2. Oxygen is labelled, but glucose is normal
3. Glucose and oxygen are normal.
4. Glucose is labelled, but oxygen is normal
Subtopic: Historical View: Experiments |
69%
From NCERT
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Fixation of one CO2, molecule through Calvin cycle requires:
1. 1 ATP and 2 NADPH2
2. 2 ATP and 2 NADPH2
3. 3 ATP and 2 NADPH2
4. 2 ATP and 1 NADPH2
1. 1 ATP and 2 NADPH2
2. 2 ATP and 2 NADPH2
3. 3 ATP and 2 NADPH2
4. 2 ATP and 1 NADPH2
Subtopic: Dark Reaction : Calvin Cycle |
84%
From NCERT
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Molecular formula of chlorophyll-b is
1. \(\mathrm{C}_{55} \mathrm{H}_{70} \mathrm{O}_6 \mathrm{~N}_4 \mathrm{Mg}\)
2. \(\mathrm{C}_{55} \mathrm{H}_{72} \mathrm{O}_5 \mathrm{~N}_4 \mathrm{Mg}\)
3. \(\mathrm{C}_{55} \mathrm{H}_{70} \mathrm{O}_5 \mathrm{~N}_4 \mathrm{Mg}\)
4. \(\mathrm{C}_{54} \mathrm{H}_{70} \mathrm{O}_6 \mathrm{~N}_4 \mathrm{Mg}\)
1. \(\mathrm{C}_{55} \mathrm{H}_{70} \mathrm{O}_6 \mathrm{~N}_4 \mathrm{Mg}\)
2. \(\mathrm{C}_{55} \mathrm{H}_{72} \mathrm{O}_5 \mathrm{~N}_4 \mathrm{Mg}\)
3. \(\mathrm{C}_{55} \mathrm{H}_{70} \mathrm{O}_5 \mathrm{~N}_4 \mathrm{Mg}\)
4. \(\mathrm{C}_{54} \mathrm{H}_{70} \mathrm{O}_6 \mathrm{~N}_4 \mathrm{Mg}\)
Subtopic: Chloroplast Structure |
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Inhibitory effect of O2 on photosynthesis is?
1. CAM pathway
2. Photorespiration
3. Fermentation
4. Krebs cycle
1. CAM pathway
2. Photorespiration
3. Fermentation
4. Krebs cycle
Subtopic: Photorespiration |
86%
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