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Environmental Science

Environmental Science
Germ Layer includes

endoderm
ectoderm
ectoderm, mesoderm, endoderm
mesoderm layer

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Environmental Science
_________ is mixed with petrol for being used in automobiles.

Propanol
Ethanol
Methanol
Gasohol

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Environmental Science
Sulphur bacteria are examples of

Heterotrophs
Carnivores
Saprophytes
Autotrophs

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Environmental Science
The crucial species that determine the ability of large number of other species is termed as _________ species.

Crucial
Significant
Important
Keystone

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Environmental Science
What is Pedology?

none
Study of soil
Study of water
Study of air

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Environmental Science
The final stable community in an ecological succession is called the

seral community
final community
ultimate community
climax community

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