- 1(current)
Q. No.Energy is transferred from the light reaction step to the dark reaction step by
1. chlorophyll
2. ADP
3. ATP
4. RuBP
Subtopic: Ā Introduction |Ā Historical View: Experiments |Ā Chloroplast Structure |Ā Photosynthetic Pigments |Ā Redtrop Experiment |Ā Emerson's Enhancement Experiment |Ā Photosystems |Ā Light Reaction: Electron Transport |Ā Light Reaction: Photophosphorylation |Ā Dark Reaction: Biosynthetic Phase |
Ā 83%
Level 1: 80%+
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All of the following properties are exhibited by Sorghum, except
| 1. | Adaptability to dry tropical regions |
| 2. | Greater productivity of biomass |
| 3. | Presence of photorespiration |
| 4. | Response towards high light intensities. |
Subtopic: Ā C4 Plants Examples |
Ā 90%
Level 1: 80%+
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Which of the following crops are Cā plants and thus show higher photosynthetic efficiency in high-temperature, dry environments?
| 1. | Rice, wheat, and barley |
| 2. | Maize, sugarcane, and sorghum |
| 3. | Potato, tomato, and brinjal |
| 4. | Mustard, cabbage, and sunflower |
Subtopic: Ā C4 Cycle (Hatch & Slack Pathway) |Ā C4 Plants Examples |
Ā 89%
Level 1: 80%+
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In the leaves of C4 plants, malic acid formation during CO2 fixation occurs in the cells of:
1. mesophyll
2. bundle sheath
3. phloem
4. epidermis
Subtopic: Ā C4 Cycle (Hatch & Slack Pathway) |Ā C4 Plants Examples |
Ā 87%
Level 1: 80%+
AIPMT - 2007
Hints
What molecule combines with carbon dioxide in the C4 photosynthetic pathway?
1. glyceraldehyde phosphate
2. ribulose biphosphate
3. phosphoenol pyruvic acid
4. citric acid
1. glyceraldehyde phosphate
2. ribulose biphosphate
3. phosphoenol pyruvic acid
4. citric acid
Subtopic: Ā C4 Cycle (Hatch & Slack Pathway) |Ā C4 Plants Examples |
Ā 86%
Level 1: 80%+
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CO2 is utilized for the carboxylation of RuBP inside the bundle sheath cells of
1. Maize, Sorghum.
2. Tomato, Bell pepper.
3. Cacti, Sedum.
4. Rice, Wheat.
Subtopic: Ā C4 Cycle (Hatch & Slack Pathway) |Ā C4 Plants Examples |
Ā 85%
Level 1: 80%+
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The C4 plants differ from C3 plants with reference to the
| 1. | substrate that accepts CO2 in carbon assimilation |
| 2. | type of end product |
| 3. | type of pigment involved in photosynthesis |
| 4. | end product that will be formed |
Subtopic: Ā C4 Cycle (Hatch & Slack Pathway) |Ā C4 Plants Examples |
Ā 82%
Level 1: 80%+
Hints
- 1(current)
Q. No.
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