Q. No."Kranz anatomy" is present in
| 1. | All photosynthetic plants |
| 2. | Only C3 plants |
| 3. | Only succulent plants |
| 4. | Only C4 plants |
Subtopic: C4 Cycle (Hatch & Slack Pathway) |
94%
From NCERT
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Where exactly is, the PEP case found?
a. Only Mesophyll cells
b. Bundle Sheath cells
c. both a and b
d. Passage cells
Subtopic: C4 Cycle (Hatch & Slack Pathway) |
86%
From NCERT
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In the diagrammatic representation of the Hatch and Slack pathway, A and B respectively represent:
| 1. | Mesophyll cells and Bundle sheath cells |
| 2. | Bundle sheath cells and Mesophyll cells |
| 3. | Bundle sheath cells and Palisade cells |
| 4. | Mesophyll cells and Guard cells |
Subtopic: C4 Cycle (Hatch & Slack Pathway) |
91%
From NCERT
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Phosphoenol pyruvate (PEP) is the primary CO2 acceptor in
(1) C3 -plants
(2) C4 -plants
(3) C2 -plants
(4) C3 and C4 -plants
Subtopic: C4 Cycle (Hatch & Slack Pathway) |
85%
From NCERT
NEET - 2017
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The step of decarboxylation during C4 cycle occurs in:
| 1. | Only Mesophyll cells | 2. | Bundle Sheath cells |
| 3. | both a and b | 4. | Passage cells |
Subtopic: C4 Cycle (Hatch & Slack Pathway) |
80%
From NCERT
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With reference to factors affecting the rate of photosynthesis, which of the following statements is not correct?
| 1. | Light saturation for CO2-fixation occurs at 10% of full sunlight. |
| 2. | Increasing atmospheric CO2 concentration upto 0.05% can enhance the CO2-fixation rate |
| 3. | C3 plants respond to higher temperature with enhanced photosynthesis, while C4 plants have a much lower temperature optimum. |
| 4. | Tomato is a greenhouse crop, which can be grown in a CO2-enriched atmosphere for higher yield. |
Subtopic: C4 Cycle (Hatch & Slack Pathway) |
79%
From NCERT
NEET - 2017
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The first carbon dioxide fixation product of C4 plant is
| 1. | Oxaloacetic acid | 2. | ribulose biphosphate |
| 3. | phosphoenol pyruvate | 4. | phosphoglyceric acid. |
Subtopic: C4 Cycle (Hatch & Slack Pathway) |
80%
From NCERT
AIIMS - 2015
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Select the incorrect match from the following
| 1. | One Calvin cycle – Requires 3 ATP and 2 NADPH |
| 2. | C4 plant – Shows slower process of carbon fixation |
| 3. | C3 plants – 20-25°C is optimum for photosynthesis |
| 4. | Hatch and Slack – Primary CO2 acceptor pathway is phosphoenolpyruvate |
Subtopic: C4 Cycle (Hatch & Slack Pathway) |
79%
From NCERT
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What is incorrect about bundle sheath cells-
| 1. | Multilayered |
| 2. | large number of chloroplasts |
| 3. | Intercellular spaces |
| 4. | Thick walls |
Subtopic: C4 Cycle (Hatch & Slack Pathway) |
77%
From NCERT
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In C plants CO are reduced into sugar is :
1. Mesophyll cells
2. In bundle sheath cells
3. In spongy parenchyma
4. Both A & B
Subtopic: C4 Cycle (Hatch & Slack Pathway) |
77%
From NCERT
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