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Environmental Science

Environmental Science
Abundant source of inonazite sands are found on the sea shores of

Kerala
West Bengal
Maharashtra
Tamil Nadu

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Environmental Science
Which of the following enhances soil fertility?

Using new seed varieties
Crop rotation
Improved methods of agriculture
Irrigation

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Environmental Science
The presence of high coliform counts in water indicates

contamination by human wastes
hydrocrbon contamination
phosphorus contamination
decreased Biological Oxygen Demand

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Environmental Science
When human body is infected by infection __________ type of cells are activated to defend the body.

monocytes
erythrocytes
lymphocytes
leukocytes

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Environmental Science
The term "latent" means:

Late
Hidden
Dense
Hot
Light

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Environmental Science
When oil and gas resources are burnt they kill many forests and lakes by

water pollution
forest fire
acid rain
deforestation

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