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प्रश्न
Write ‘True’ or ‘False’ in front of following statement.
Atmospheric nitrogen is directly absorbed by the plants to form plant proteins.
विकल्प
True
False
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उत्तर
False:
Atmospheric nitrogen cannot be directly absorbed by the plants to form plant proteins.
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संबंधित प्रश्न
How is greenhouse effect produced?
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Describe a simple experiment with the help of a diagram to show that Air has mass
State whether the following statement is ‘true’ or ‘false’. If false write the correct statement.
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While freezing, the ______ of water is lowered.
Draw a neat labelled diagram for the following experiment.
To study the presence of carbon dioxide in air.
Match the following:
| 1. | Layer of air | a. | Hand fan |
| 2. | Electrical energy | b. | 21% |
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| 4. | Oxygen | d. | Atmosphere |
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About 78% of the volume of air is ______.
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