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प्रश्न
State the utility of carbon dioxide for manufacture of food by plants.
उत्तर
Photosynthesis— It is a natural process by which green plants manufacture food in presence of sunlight.
Carbon dioxide in the atmosphere is absorbed by the plants in the presence of chlorophyll [the green pigment in plants] & sunlight, hence resulting in the formation of carbohydrates.
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संबंधित प्रश्न
Why is the atmosphere essential for life?
Give one use for the following inert gases :
argon
State one method by which :
- Oxygen is added to air
- Carbon dioxide is added to air
- Oxygen is removed from the air
- Carbon dioxide is removed from the air
Give reasons to support the fact that air is a mixture.
Write down the composition of air.
How does oxygen and carbon dioxide remain nearly constant in the atmosphere?
Describe the major components of air pollution.
Describe the causes and effects of air pollution.
Give the environment effect of three polluting gases with a reason why nitrogen is not considered a polluting gas.
Analogy
78% of air: Does not support combustion:: _____: Supports combustion
