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Environmental Science

Environmental Science
The abiotic and biotic components constitute the structure of an

atmosphere
energy flow
Ecosystem
environment

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Environmental Science
Rainfall is measured by an instrument known as

Rain gauge
Seismograph
Lactometer
Nanometer

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Environmental Science
Nitrogen gas returns to the atmosphere by the action of

Nitrifying bacteria
Nitrogen fixing bacteria
Nitrate fertilizers
Denitrifying bacteria

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Environmental Science
How many types of habitats are there in a biosphere?

2
6
3
4

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Environmental Science
In which year Silent Valley was declared as National Park?

1988
1984
1981
1982

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Environmental Science
Biotic potential is counteracted by

Limitation of food supply
Producer is the largest
Competition with other organisms
None of these

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