Environmental Science MCQ

 

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Environmental Science MCQ

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Question 21
Definition of ecosystem is
A
The community of organisms together with the environment in which they live
B
The abiotic component of a habitat
C
The part of the earth and its atmosphere which inhibits living organisms
D
A community of organisms interacting with one another


Question 22
The Red Data book which lists endangered species is maintained by
A
UNO
B
WHO
C
IUCN
D
WWF


Question 23
At which temperature would the earth be radiating energy at the greatest rate or intensity?
A
-5$^{o}$ F
B
-40$^{o}$ F
C
60$^{o}$ F
D
105$^{o}$ F


Question 24
The organic matter produced by the Photosynthetic activity of green plants is called as
A
light energy
B
cellular process
C
energy flow
D
Primary productivity


Question 25
The most abundant gases in the earth's atmosphere by volume are:
A
Carbon dioxide and nitrogen
B
Oxygen and water vapor
C
Nitrogen and oxygen
D
Oxygen and helium


There are 25 questions to complete.

 

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