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Environmental Science

Environmental Science
Zoological Survey of India is at

Mumbai
Kolkata
Chennai
Delhi

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Environmental Science
What is meant by root zone process?

A control measure to prevent soil pollution
A control measure to prevent water pollution
A process by which roots of plants are spread on the ground
None of these

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Environmental Science
The supersonic jets cause pollution by the thinning of

O2 layer
CO2 layer
SO2 layer
O3 layer

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Environmental Science
Animals that feed only on plants are called

herbivores
omnivores
carnivores
detritivores

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Environmental Science
Thickness of plastic cover permissible to use

10 Microns
20 Microns
50 Microns
100 Microns

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Environmental Science
Freshwater protozoans react to a/an __________ environment by removing water through _______

hypertonic, a contractile vacuole
hypotonic, turgor pressure
hypotonic, a contractile vacuole
isotonic, a contractile vacuole

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