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प्रश्न
State whether the following statement is ‘true’ or ‘false’. If false write the correct statement.
Carbon dioxide, water vapour and energy in the form of heat are evolved during respiration.
पर्याय
True
False
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उत्तर
True.
संबंधित प्रश्न
What is air pollution ? What are the harmful effects of sulphur dioxide, nitrogen dioxide and hydrogen sulphide present in the air ?
Fill in the blank space by choosing the correct word from the given list.
List: oxygen, carbonic, suIphurUioxide gas, precipitation, helium
Solution of carbon dioxide in water is called _________ acid.
Name the following:
The type of bacteria which directly absorb nitrogen from the air and converted soluble nitrates in the soil.
Of the total volume of air – 4/5th is nitrogen. State the utility or consequence of this ratio.
How will you prove that soil contains air in it?
The constituent of air that supports combustion is _____.
______ is responsible for making clouds.
A gas that neither burns nor supports burning is ______.
______ exists in nature as silicates, carbonates, oxides, and water. It also exists in a free state as part of the air in the atmosphere.
Boojho took an empty plastic bottle, turned it upside down and dipped its open mouth into a bucket filled with water. He then tilted the bottle slightly and made the following observations.
- Bubbles of air came out from the bottle.
- Some water entered the bottle.
- Nitrogen gas came out in the form of bubbles and oxygen got dissolved in water.
- No bubbles formed, only water entered the bottle.
Which observations is/are correct?
