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Environmental Science

Environmental Science
Plants that grow in saline water-logged habitat are called

mangroves
halophytes
xerophytes
mesophytes

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Environmental Science
_________ is the phenomenon where the earth retains heat.

Air pollution
Global effect
Green house effect
Land pollution

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Environmental Science
The most important human activity, leading to the extinction of wildlife, is

Alternation and destruction of the natural habitats
Pollution of wildlife, is
Introduction of alien species
Hunting for valuable wildlife products

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Environmental Science
The global temperature has risen by about __________ degree celsius, since the peak of last glacialisation.

5
7
8
10

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Environmental Science
In a volume of air near the earth's surface, ____ occupies 78 percent and ____ nearly 21 percent.

Oxygen, hydrogen
Hydrogen, helium
Nitrogen, oxygen
Hydrogen, oxygen
Nitrogen, water vapor

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Environmental Science
The method of simultaneous integration of trees with agricultural crops is called

Deforestation
Reforestation
Combined culture
Agro forestry

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MORE MCQ ON Environmental Science

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