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Environmental Science

Environmental Science
Wild life is continuously decreasing. What is the main reason of this?

Cutting down of forest
Destruction of habitat
Hunting
Predation

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Environmental Science
This holds a planet's atmosphere close to its surface:

Gravity
Cloud cover
Moisture
Radiation
Pressure

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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
Nitrogen, water vapor
Hydrogen, oxygen

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Environmental Science
The pyramid of numbers is inverted in the case of

lake ecosystem
parasitic food chain
Forest ecosystem
Grassland ecosystem

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Environmental Science
Which one of the following environmental pollutants has the problem of biomagnifications?

SO2
Hg fungicides
NO3
O3 and CO2

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Environmental Science
What is Bagasse? What is it used for?

Liquid waste --used as fertilizer
Vermi compost - used as fertilizer
Biogas -- used as fuel
Sugar cane waste --used as to make paper

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MORE MCQ ON Environmental Science

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