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प्रश्न
Briefly state the importance of Carbon dioxide.
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उत्तर
Carbon-dioxide acts as a food for plants and in the regeneration of oxygen. It also helps in trapping heat radiations on earth.
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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
Dust particles help in the ________ of water vapour in air.
Classify Water. Also give a balanced equation to prepare it.
Write down the composition of three main gases present in air by volume.
What is the percentage of nitrogen in air?
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
The component of air used by green plants to make their food, is ______.
The Scottish chemist ______ discovered carbon dioxide is present in air.
What was the old name of nitrogen?
Observe the picture given in Fig. carefully and answer the following questions.
Can you comment on the air quality of the place shown in Fig?
