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Environmental Science

Environmental Science
_______ trees shed their leaves during winter and hot summer.

deciduous
coniferous
ever green
Shola

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Environmental Science
A river with high BOD value is

highly polluted
highly clean
highly productive
none of these

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Environmental Science
Air is composed of gases, water vapours and

snowfall
dust particles
light
rainfall

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Environmental Science
Some species of plants and animals are extremely rare and may occur only at a few locations are called

Threatened
Vulnerable
Endangered
Endemic

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Environmental Science
Decomposers are otherwise called as

Secondary consumers
Primary consumers
Organic matter
Detritivores

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Environmental Science
Carbon dioxide is called greenhouse gas because it is

Used in green-house to increase plant growth
Transparent to both sunlight and heat
Transparent to heat but traps sunlight
Transparent to sunlight but traps heat

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