Sulphur dioxide affects
Select an option to see the answer and solution.
Amount of nitrogen fixed by nitrogen fixing organism per year is about
Select an option to see the answer and solution.
Ozone day is celebrated on
Select an option to see the answer and solution.
Ecological cycling of which of the following in not assisted by microorganisms
Select an option to see the answer and solution.
In recent years, there has been an increasing incidence of floods in Northern India because
Select an option to see the answer and solution.
Silent valley (Kerala) is preserved because
Select an option to see the answer and solution.
Hydrological cycle is under the control of
Select an option to see the answer and solution.
Cadmium pollution is associated with disease
Select an option to see the answer and solution.
Plant die in water-logged soils due to
Select an option to see the answer and solution.
Air pollution is maximum in
Select an option to see the answer and solution.
Aitken particles are
Select an option to see the answer and solution.
The main nitrogen reservoir in the biosphere is
Select an option to see the answer and solution.
The air pollutants react with lead based paints, causing decolouration is
Select an option to see the answer and solution.
Every individual person inhales air daily about
Select an option to see the answer and solution.
The energy flows in an ecosystem is
Select an option to see the answer and solution.
Which of the following cycle would by affected if decomposers of an ecosystem vanish?
Select an option to see the answer and solution.
Most poisonous pollutant in water is
Select an option to see the answer and solution.
Catalytic incinerators are advantageous as
Select an option to see the answer and solution.
What percentage of energy coming from the sun is re-rediated space?
Select an option to see the answer and solution.
Increased incidence of floods in the plains of North India are due to
Select an option to see the answer and solution.