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प्रश्न
Name the following:
The type of bacteria which directly absorb nitrogen from the air and converted soluble nitrates in the soil.
उत्तर
Symbiotic bacteria.
संबंधित प्रश्न
Suggest five measures to prevent air pollution.
What are the two necessary conditions for rusting of iron?
Write ‘true’ or ‘false for the following;
The composition of air was discovered by Lavoisier.
State the utility of oxygen for respiration in plants
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.
Analogy
Photosynthesis : _____ :: Respiration : Oxygen
Why do traffic assistants wear a mask on duty?
How do astronauts breathe when they go beyond the earth’s atmosphere?
The air in coastal areas have more oxygen.
Carbon dioxide gas is ______ in nature.
