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प्रश्न
The balance of oxygen in atmosphere is maintained through photosynthesis in animals and respiration in plants.
विकल्प
True
False
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उत्तर
The balance of oxygen in atmosphere is maintained through photosynthesis in animals and respiration in plants- False.
Correct statement
The balance of oxygen in the atmosphere is maintained through photosynthesis in plants and respiration in animals.
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संबंधित प्रश्न
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.
Statement given below is incorrect. Write the correct statement :
Helium gas at low pressure is used for filling electric bulbs.
Write ‘True’ or ‘False’ in front of following statement.
Water containing dissolved carbon dioxide can dissolve marble.
Statement given below is incorrect. Write the correct statement :
Potassium nitrate on strong heating decomposes into potassium nitrite and nitrogen gas.
With the help of a labeled diagram, describe a simple experiment to show the presence of oxygen and nitrogen in air using a piece of white phosphorus.
State whether the following statement is ‘true’ or ‘false’. If false write the correct statement.
The percentage of carbon dioxide in the air is between 0.2 to 0.4%.
Explain why mountaineers carry oxygen cylinders with them?
Why do traffic assistants wear a mask on duty?
Nitrogen is _______ than air.
Write just a few sentences for an imaginary situation if any of the following gases disappear from the atmosphere.
Nitrogen
