- 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: Introduction | Historical View: Experiments | Pigments |
Level 3: 35%-60%
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A part of a leaf is enclosed in a test tube containing some KOH soaked cotton, while the other half is exposed to air. The setup is then placed in light for some time. Later, the exposed part of the leaf tested positive for starch, while the portion that was in the tube, tested negative. This showed that:
| I: | CO2 was required for photosynthesis |
| II: | Light is not essential for carbon fixation in photosynthesis. |
| 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: Introduction | Historical View: Experiments |
89%
Level 1: 80%+
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- 1(current)
Q. No.
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