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प्रश्न
Name the following:
The type of bacteria which directly absorb nitrogen from the air and converted soluble nitrates in the soil.
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उत्तर
Symbiotic bacteria.
संबंधित प्रश्न
Name and briefly explain four ways by which pollution of air caused by humans is minimised.
Give a reason why nitrogen is filled in food packets and not oxygen.
Name three different appliances where air is utilized.
Give word equation for the following conversion:
Nitric oxide to nitrogen dioxide
How will you prove that air supports burning?
Composition of the component of air ______ from place to place.
When cooled to -57°C, gaseous carbon-di-oxide becomes a liquid.
Usha took a lump of dry soil in a glass and added water to it till it was completely immersed. She observed bubbles coming out. The bubbles contain ______.
State whether the following statement is true or false. If false, correct them.
Plants consume oxygen for respiration.
Explain the following observations very briefly
An empty glass in fact is not empty.
