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Q. No.Kranz anatomy is a characteristic feature of
1. Glycine max
2. Volvox aureus
3. Amaranthus viridis
4. Aspergillus niger
Subtopic: C4 Cycle (Hatch & Slack Pathway) | C4 Plants Examples |
61%
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Identify the sequence of steps followed in linear electron flow during light reaction of photosynthesis
A. Photoexcitation of P700 and transfer of an electron to NADP+ via ferredoxin
B. Photolysis of H2O
C. Chemiosmosis and generation of ATP
D. Photoexcitation of P680 and release of an electron.
E. Electron transport to plastocyanin from plastoquinone via cytochrome complex
Choose the correct answer from the options given below
1. E, D, C, B, A
2. B, D, C, A, E
3. D, B, E, C, A
4. A, B, C, D, E
A. Photoexcitation of P700 and transfer of an electron to NADP+ via ferredoxin
B. Photolysis of H2O
C. Chemiosmosis and generation of ATP
D. Photoexcitation of P680 and release of an electron.
E. Electron transport to plastocyanin from plastoquinone via cytochrome complex
Choose the correct answer from the options given below
1. E, D, C, B, A
2. B, D, C, A, E
3. D, B, E, C, A
4. A, B, C, D, E
Subtopic: Light Reaction: Electron Transport | Light Reactions :1 |
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Important differences between C3 and C4 plants are
A. Kranz anatomy
B. Electron Transport System
C. Dimorphic chloroplasts
D. Cyclic photophosphorylation
E. Light reaction
Choose the correct answer from the options given below
1. A and B only
2. A and C only
3. A and D only
4. A and E only
A. Kranz anatomy
B. Electron Transport System
C. Dimorphic chloroplasts
D. Cyclic photophosphorylation
E. Light reaction
Choose the correct answer from the options given below
1. A and B only
2. A and C only
3. A and D only
4. A and E only
Subtopic: C4 Cycle (Hatch & Slack Pathway) |
70%
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Photosynthesis is important because:
| I: | It is the primary source of all food on earth. |
| II: | It is responsible for the release of oxygen into the atmosphere by green plants. |
| 1. | Only I is correct |
| 2. | Only II is correct |
| 3. | Both I and II are correct |
| 4. | Both I and II are incorrect |
Subtopic: Factors Affecting Photosynthesis |
93%
From NCERT
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The hypothesis “Plants restore to the air whatever breathing animals and burning candles remove” was given, after his experiments, by:
| 1. | Joseph Priestley | 2. | Jan Ingenhousz |
| 3. | Julius von Sachs | 4. | C. B. Van Neil |
Subtopic: Historical View: Experiments |
91%
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Who first showed that it is only the green parts of the plants that could release oxygen during photosynthesis?
| 1. | Joseph Priestley | 2. | Jan Ingenhousz |
| 3. | Julius von Sachs | 4. | C. B. Van Neil |
Subtopic: Historical View: Experiments |
73%
From NCERT
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Julius von Sachs provided evidence for:
Which of the following will be true in light of the information given above?
| I: | production of glucose when plants grow |
| II: | location of green substance in plants in special bodies |
| A: | Glucose produced during photosynthesis is usually stored as cellulose in plants. |
| B: | The ‘green substance’ refers to chlorophyll. |
| C: | ‘Special bodies’ refer to chloroplasts in the plant cells. |
| 1. | Only A and B | 2. | Only B and C |
| 3. | Only A | 4. | A, B and C |
Subtopic: Historical View: Experiments |
79%
From NCERT
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The correct and complete equation for the process of photosynthesis in higher plants will be:
| 1. | 6CO2 + 12H2O + light energy → C6H12O6 + 6O2+ 6H2O |
| 2. | 6CO2 + 6H2O + light energy → C6H12O6 + 6O2 |
| 3. | CO2 + H2O + light energy → [CH2O] + O2 |
| 4. | C6H12O6 + 6O2 → 6CO2 + 6H2O |
Subtopic: Historical View: Experiments |
87%
From NCERT
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In the chloroplast:
| Statement I: | The membrane system is the site of enzymatic reactions leading to synthesis of sugar. |
| Statement II: | The stroma is responsible for trapping the light energy and also for the synthesis of ATP and NADPH. |
| 1. | Both Statement I and Statement II are correct |
| 2. | Both Statement I and Statement II are incorrect |
| 3. | Statement I is correct but Statement II is incorrect |
| 4. | Statement I is incorrect but Statement II is correct |
Subtopic: Chloroplast Structure |
62%
From NCERT
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Consider the given two statements:
| I: | Carbon reactions during photosynthesis in higher plants are called as dark reactions. |
| II: | They occur in darkness and they are not light-dependent. |
| 1. | Both I and II are correct and II explains I |
| 2. | Both I and II are correct but II does not explain I |
| 3. | I is correct but II is incorrect |
| 4. | I is incorrect but II is correct |
Subtopic: Dark Reaction: Biosynthetic Phase | Dark Reaction : Calvin Cycle |
80%
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