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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Subtopic: Pigments |
61%
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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 |
Subtopic: Historical View: Experiments |
70%
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 |
Subtopic: Dark Reaction : Calvin Cycle |
87%
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. | \(\mathrm{C}_{54} \mathrm{H}_{70} \mathrm{O}_6 \mathrm{~N}_4 \mathrm{Mg}\) |
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 |
85%
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Subtopic: Pigments |
81%
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Subtopic: Dark Reaction: Biosynthetic Phase |
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