Biosphere Quiz 1

Which of the following is biodegradable?

The maximum fixation of solar energy is done by:

If all the plants of the World die, all the animals will also die due to shortage of:

The most dangerous consequence of excessive deforestation is:

Which of the following chemicals is responsible for the depletion of ozone layer in the atmosphere?

The fain factor which determines the balance of nature is:

The crop most susceptible to frost is:

The study of relation of animals and plants to their surroundings is called:

Light emitted by sun reaches earth in:

Which of the following fuels causes minimum environmental pollution?

Nitrogen fixation is done by:

The maximum biological magnification of DDT through food web is seen in:

Biodegradable wastes can usually be converted into useful substances with the help of:

The largest source of pollution in the world is:

Which amongst the following pairs of organisms represents predator - prey relationship?

Which of the following gases is not found free in air?

Which of the following is usually not an air pollutant?

Which of the following terms is used for several individuals of a species living together in a locality?

Nutrients are recycled in the atmosphere with the help of certain micro-organisms referred to:

Organisms at the base of the food chain are:

Uncontrolled industrialisation leads to acid rain. It is mainly contributed by:

A microscopic organism playing a vital role in nitrogen cycle is:

"Green Hose Effect" means: