Biosphere Quiz 1

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Biosphere Quiz 1

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Nitrogen fixation is done by:

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

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Which of the following is usually not an air pollutant?

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"Green Hose Effect" means:

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

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Which of the following is biodegradable?

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The maximum fixation of solar energy is done by:

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

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The fain factor which determines the balance of nature is:

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

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Which of the following fuels causes minimum environmental pollution?

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

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

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

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

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

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Light emitted by sun reaches earth in:

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The crop most susceptible to frost is:

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The most dangerous consequence of excessive deforestation is:

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

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The largest source of pollution in the world is:

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

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Organisms at the base of the food chain are:

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