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प्रश्न
Give reason:
Aquatic animals and plants are able to survive in the matter.
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उत्तर
Aquatic animals and plants use oxygen dissolved in water and survive.
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संबंधित प्रश्न
Answer the question put against the following constituents of air:
Nitrogen : Explain its significance for plants and animals.
Answer the question put against the following constituents of air :
Carbon dioxide : “Although carbon dioxide plays no role in respiration, all life would come to an end if there is no carbon dioxide in air.” Support this statement with relevant facts.
Fill in the blank space by choosing the correct word from the given list.
List: oxygen, carbonic, suIphurUioxide gas, precipitation, helium
Dust particles help in the ________ of water vapour in air.
Tick (√) the most appropriate answer.
Symbiotic bacteria is not present in the nodules of :
Name the following:
The component of air which is present more in industrial areas.
List uses of oxygen.
Nitrogen is _______ than air.
______ is the main component of air.
The main component of air is oxygen.
On a Sunday morning Paheli’s friend visited her home. She wanted to see some flowering plants in the nearby garden. Both of them went to the garden. While returning from the garden they also observed some flowering plants on the road side. But to their surprise they found that the leaves and flowers of these roadside plants were comparatively very dull. Can you help them to know why?
