Sea Dwelling Species UPSC Questions

General Issues on Environmental Ecology, Bio-diversity & Climate Change

Sea Dwelling Species MCQ Questions


1.
What are plankton?
A.
Floating organisms in aquatic ecosystems
B.
Large marine mammals
C.
Deep-sea fishes
D.
Non-aquatic microorganisms
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ANSWER :
A. Floating organisms in aquatic ecosystems
2.
Which organisms are included in phytoplankton?
A.
Only bacteria
B.
Only green plants
C.
Microscopic plants including algae and some bacteria
D.
All aquatic animals
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ANSWER :
C. Microscopic plants including algae and some bacteria
3.
What percentage of oxygen is produced by phytoplankton among all plants?
A.
30%
B.
50%
C.
60%
D.
70%
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ANSWER :
C. 60%
4.
BioCarbon Fund Initiative for Sustainable Forest Landscapes’ is managed by the

UPSC - 2015

A.
Asian Development Bank
B.
International Monetary Fund
C.
United Nations Environment Programme
D.
World Bank
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ANSWER :
D. World Bank
5.
Phytoplankton are present throughout which regions of the oceans?
A.
Only equatorial zones
B.
Only coastal areas
C.
All lighted regions including Polar Regions
D.
Only near estuaries
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ANSWER :
C. All lighted regions including Polar Regions
6.
What limits the distribution of plankton in aquatic ecosystems?
A.
Sunlight
B.
Predators
C.
Water currents
D.
Salinity
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ANSWER :
C. Water currents