Sea Dwelling Species UPSC Questions

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

Sea Dwelling Species MCQ Questions


13.
What is the biological carbon pump responsible for?
A.
Producing electricity in oceans
B.
Transferring carbon to deep ocean
C.
Generating tidal energy
D.
Oxygen removal
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ANSWER :
B. Transferring carbon to deep ocean
14.
What is the main diet of zooplanktivorous fish?
A.
Crustaceans
B.
Seaweeds
C.
Zooplankton
D.
Phytoplankton
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ANSWER :
C. Zooplankton
15.
Why are zooplankton important for assessing fishery resources?
A.
They help in fish migration
B.
They influence water temperature
C.
Their diversity indicates ecosystem health
D.
They are predators
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ANSWER :
C. Their diversity indicates ecosystem health
16.
Where are seagrasses mostly found in India?
A.
West coast
B.
Ganges Delta
C.
South-east coast and Lakshadweep
D.
Himalayas
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ANSWER :
C. South-east coast and Lakshadweep
17.
Which of the following is a function of sea grass?
A.
Increasing tides
B.
Producing ozone
C.
Reducing wave energy
D.
Causing salinity
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ANSWER :
C. Reducing wave energy
18.
Why is Dugong under threat?
A.
Due to oil spills
B.
Due to habitat destruction
C.
Because it depends on seagrass
D.
It is preyed upon by whales
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ANSWER :
C. Because it depends on seagrass