- 1(current)
Q. No.Identify the correct statements:
| I: | Only green plants can prepare their own food. |
| II: | In green plants, all cells, tissues and organs photosynthesise. |
| 1. | Only I |
| 2. | Only II |
| 3. | Both I and II |
| 4. | Neither I nor II |
Subtopic: Â Introduction |Â Historical View: Experiments |Â Pigments |
Level 3: 35%-60%
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Accessory pigments of photosynthesis in higher plants:
1. Only I and II are correct
2. Only I and III are correct
3. Only II and III are correct
4. I, II and III are correct
| I: | include chlorophyll b, xanthophylls and carotenoids. |
| II: | absorb light and transfer electrons to chlorophyll a. |
| III: | protect chlorophyll a from photo-oxidation. |
2. Only I and III are correct
3. Only II and III are correct
4. I, II and III are correct
Subtopic: Â Pigments |
Level 4: Below 35%
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The colour/s of visible light that work/s least well for photosynthesis is/are:
1. Red and Blue
2. Violet and Yellow
3. Green
4. Yellow
1. Red and Blue
2. Violet and Yellow
3. Green
4. Yellow
Subtopic: Â Pigments |
Level 3: 35%-60%
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Consider the given two statements;
| Statement I: | The action spectrum of photosynthesis overlaps completely with the absorption spectrum of chlorophyll a. |
| Statement II: | Accessory pigments like chlorophyll b, xanthophylls, and carotenoids widen the range of light wavelengths that can be utilized for photosynthesis. |
| 1. | Statement I is correct; Statement II is correct |
| 2. | Statement I is correct; Statement II is incorrect |
| 3. | Statement I is incorrect; Statement II is correct |
| 4. | Statement I is incorrect; Statement II is incorrect |
Subtopic: Â Pigments |
Level 3: 35%-60%
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- 1(current)
Q. No.
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