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प्रश्न
Fill in the blank:
Nitrogen of the air is utilized by plants for formation of _____.
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उत्तर
Nitrogen of the air is utilized by plants for formation of proteins.
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संबंधित प्रश्न
What was the ancient belief regarding the nature of matter ?
Mention the contribution of the following scientists :
- Antoine Lavoisier
- Robert Boyle
- Joseph Priestley
- Sir W. Ramsay
Write ‘True’ or ‘False’ in front of following statement.
Atmospheric nitrogen is directly absorbed by the plants to form plant proteins.
Discuss harmful effects of greenhouse effect.
Name three greenhouse gases.
What will happen if the amount of water vapour in the air increases.
With whom should I pair up?
| Group A | Group B | ||
| (1) | Air | (a) | Excretion |
| (2) | Water | (b) | Scattering of light |
| (3) | Soil | (c) | Plasticity |
Draw a neat labelled diagram for the following experiment.
To study the presence of carbon dioxide in air.
Mention two uses of air.
The layer of air around the earth is known as ______.
