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Shilpi98
@shilpi98
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Joined: Dec 29, 2021
Last seen: Mar 10, 2022
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Topics: 2165 / Replies: 0
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Topic
Why is it necessary to remove sulphur from petroleum products?
4 years ago
Forum
Environmental Issues
Replies: 0
Views: 175
Topic
Catalytic converters are fitted into automobiles to reduce emission of harmful gases. Catalytic converters change unburnt hydrocarbons into
4 years ago
Forum
Environmental Issues
Replies: 0
Views: 149
Topic
The major source of noise pollution worldwide is due to
4 years ago
Forum
Environmental Issues
Replies: 0
Views: 173
Topic
The loudness of a sound that a person can withstand without discomfort is about
4 years ago
Forum
Environmental Issues
Replies: 0
Views: 158
Topic
The green scum seen in the fresh water bodies is
4 years ago
Forum
Environmental Issues
Replies: 0
Views: 80
Topic
Among the following which one causes more indoor chemical pollution?
4 years ago
Forum
Environmental Issues
Replies: 0
Views: 95
Topic
Choose the incorrect statement. (a) The Montreal protocol is associated with the control of emission of ozone depleting substances (b) Methane and carbon dioxide are greenhouse gases
4 years ago
Forum
Environmental Issues
Replies: 0
Views: 140
Topic
Which of the following material takes the longest time for biodegradation? (a) Cotton (b) Paper (c) Bone (d) Jute
4 years ago
Forum
Environmental Issues
Replies: 0
Views: 75
Topic
The expanded form of DDT is
4 years ago
Forum
Environmental Issues
Replies: 0
Views: 165
Topic
Which of the following causes biomagnification?
4 years ago
Forum
Environmental Issues
Replies: 0
Views: 142
Topic
World’s most problematic aquatic weed is (a) Azolla (b) Wolffia (c) Eichhomia (d) Trapa
4 years ago
Forum
Environmental Issues
Replies: 0
Views: 162
Topic
Compressed Natural Gas (CNG) is (a) Propane (b) Methane (c) Ethane (d) Butane
4 years ago
Forum
Environmental Issues
Replies: 0
Views: 86
Topic
The material generally used for soundproofing of rooms like a recording studio and auditorium, etc. is
4 years ago
Forum
Environmental Issues
Replies: 0
Views: 89
Topic
According to the Central Pollution Control Board, particles that are responsible for causing great harm to human health are of diameter
4 years ago
Forum
Environmental Issues
Replies: 0
Views: 166
Topic
Non-biodegradable pollutants are created by
4 years ago
Forum
Environmental Issues
Replies: 0
Views: 126
Topic
The relation between species richness and area for a wide variety of taxa turns out to be a rectangular hyperbola. Give a brief explanation.
4 years ago
Forum
Biodiversity and Conservation
Replies: 0
Views: 139
Topic
Explain briefly the ‘rivet popper hypothesis’ of Paul Ehrlich.
4 years ago
Forum
Biodiversity and Conservation
Replies: 0
Views: 127
Topic
Species diversity decreases as we move away from the equator towards the poles. What could be the possible reasons?
4 years ago
Forum
Biodiversity and Conservation
Replies: 0
Views: 116
Topic
Describe the consumptive use value of biodiversity as food, drugs and medicines, fuel and fiber with suitable examples.
4 years ago
Forum
Biodiversity and Conservation
Replies: 0
Views: 118
Topic
What is an ecosystem service? List any four important ecosystem services provided by the natural ecosystems. Are you in favour or against levying a charge on the service provided by the ecosystem?
4 years ago
Forum
Biodiversity and Conservation
Replies: 0
Views: 177
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