- 1(current)
Q. No.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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C. B. van Niel proved that:
| 1. | Plants produce glucose when they grow. |
| 2. | Blue and red light are effective for photosynthesis. |
| 3. | It is only the green parts of the plants that could release oxygen. |
| 4. | Hydrogen from a suitable oxidizable compound reduces carbon dioxide to carbohydrates. |
Subtopic: Historical View: Experiments |
66%
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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- 1(current)
Q. No.
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