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Environmental Science

Environmental Science
The Red Data book which lists endangered species is maintained by

WHO
IUCN
WWF
UNO

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Environmental Science
The most important reason for decrease in biodiversity is

Over-exploitation
Habitat destruction
Habitat pollution
Introduction of exotic species

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Environmental Science
When both partners are affected negatively the nature of interaction is

amensalism
competition
commensalism
predation

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Environmental Science
The presence of which is necessary for photosynthesis

Chloroform
Chlorophyll
Polymer
Phosphorus

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Environmental Science
_________ is a mixture of 50 - 90% of methane

Water
Bio diesel
Air
Natural gas

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Environmental Science
Bears are usually hunted and killed for their

Gall bladder
Teeth
Skin
Nails

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MORE MCQ ON Environmental Science

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