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प्रश्न
How do the roots of land plants get oxygen for breathing?
उत्तर
The roots can absorb oxygen from the small air spaces in soil.
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संबंधित प्रश्न
Fill in the blank :
________ is the most abundant inert gas present in air.
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.
Write down the composition of three main gases present in air by volume.
State the utility of oxygen for respiration in plants
Name the following:
The active component of air which supports combustion and is used up in burning
_____ gas turns lime water milky.
List out the uses of nitrogen.
How will you show that air is dissolved in water?
Air also contains a small amount of carbon-di-oxide, water vapour, and some other gases like argon,
Write just a few sentences for an imaginary situation if any of the following gases disappear from the atmosphere
carbon dioxide
