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Question
The component of air used by green plants to make their food, is ______.
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Solution
The component of air used by green plants to make their food, is carbon dioxide.
RELATED QUESTIONS
Explain the conversion of nitrogen into nitrates during lightning.
Tick (√) the most appropriate answer.
The humans pollute the air by :
State the utility of oxygen for respiration in living organisms
Arrange the following statements in correct sequence
- Plants manufacture food by a process called photosynthesis.
- Plants require energy for their growth.
- Plants take in oxygen and release carbon dioxide just as animals.
- Plants take carbon dioxide from the atmosphere, use chlorophyll in the presence of sunlight and prepare food.
- Such oxygen is available to animals and human beings for breathing.
- During this process, oxygen is released by plants.
Analogy
Photosynthesis : _____ :: Respiration : Oxygen
List out the uses of nitrogen.
______ gas cylinders are used for breathing purpose for a diver going deep into the sea.
______ is used as a substitute for compressed air in tyres.
Nitrogen gas is so cold that moisture in the air condenses on it, creating a dense fog.
Assertion: Carbon dioxide occurs as carbonates in nature.
Reason: Carbon dioxide can exist as a liquid at atmospheric pressure.
