Water Ecosystems UPSC Questions

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

Water Ecosystems MCQ Questions


7.
‘R2 Code of Practices' constitutes a tool available for promoting the adoption of

UPSC - 2021

A.
environmentally responsible prac­tices in electronics recycling industry
B.
ecological management of Wetlands of International Importance' under the Ramsar Convention
C.
sustainable practices in the cultivation of agricultural crops in degraded lands
D.
Environmental Impact Assessment' in the exploitation of natural resources
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ANSWER :
A. environmentally responsible prac­tices in electronics recycling industry
8.
Which plant group dominates as producers in wetland ecosystems?
A.
Phytoplankton
B.
Macrophytes
C.
Zooplankton
D.
Seaweeds
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ANSWER :
B. Macrophytes
9.
The term 'Red Tide' is considered a misnomer because:
A.
It refers to freshwater blooms
B.
It always causes fish kills
C.
It is not associated with tides and not always red
D.
It only occurs in rivers
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ANSWER :
C. It is not associated with tides and not always red
10.
Montreux Record is associated with:
A.
Biodiversity in forests
B.
Endangered mammals
C.
Wetlands requiring priority conservation
D.
Coral reef bleaching
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ANSWER :
C. Wetlands requiring priority conservation
11.
Which tree species is considered sacred and awarded for its ecological value in Parambikulam?
A.
Neem
B.
Banyan
C.
Peepal
D.
Kannimara teak
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ANSWER :
D. Kannimara teak
12.
Mangroves exhibit which mode of reproduction?
A.
Viviparity
B.
Oviparity
C.
Fission
D.
Budding
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ANSWER :
A. Viviparity