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प्रश्न
State whether the following statement is ‘true’ or ‘false’. If false write the correct statement.
Photosynthesis is a process by which green plants prepare their own food in the presence of sunlight and chlorophyll.
पर्याय
True
False
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उत्तर
True.
संबंधित प्रश्न
Answer the question put against the following constituents of air :
Oxygen : What is the percentage proportion of oxygen in air ? Why is oxygen called active air.
State three uses of water vapour in the air.
Describe a simple experiment to show that l/5th of air is oxygen.
Write fully balanced equation for the following :
CO2 + H2O →
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%.
Tabulate the various components of air, including the components with variable composition.
How do plants and animals maintain the balance of oxygen and carbon dioxide in the air?
What is the presence of harmful substance in the air called?
Carbon dioxide gas is ______.
What is not true about air?
