Environmental Science

Environmental science quizzes on ecosystems, climate change, pollution, conservation, and sustainable development.

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Biodiversity & Conservation

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Sustainable Development

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QUESTION NO 01

Overexploitation means?

Answer: Harvesting species faster than they can recover

Overfishing is a common example.

Shahzad Mahota @shahzad-mahota

302 Quizzes

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QUESTION NO 02

Point-source pollution comes from?

Answer: A identifiable discharge location (e.g., pipe)

Nonpoint sources are diffuse (runoff).

Shahzad Mahota @shahzad-mahota

302 Quizzes

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QUESTION NO 03

Water scarcity can be reduced by?

Answer: Efficiency, reuse, and protecting sources

Demand management matters as much as supply.

Shahzad Mahota @shahzad-mahota

302 Quizzes

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QUESTION NO 04

Life-cycle assessment (LCA) evaluates?

Answer: Impacts from cradle to grave (or cradle to cradle)

It covers production, use, and disposal.

Shahzad Mahota @shahzad-mahota

302 Quizzes

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QUESTION NO 05

Permafrost thaw can release?

Answer: Stored methane and CO2

Frozen soils hold large carbon stocks.

Shahzad Mahota @shahzad-mahota

302 Quizzes

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QUESTION NO 06

Circular economy emphasizes?

Answer: Keeping materials in use and designing out waste

Reuse, repair, remanufacture, recycle.

Shahzad Mahota @shahzad-mahota

302 Quizzes

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QUESTION NO 07

Sea-level rise is driven mainly by?

Answer: Thermal expansion and melting ice

Warming oceans expand; glaciers/ice sheets melt.

Shahzad Mahota @shahzad-mahota

302 Quizzes

2930 Questions

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QUESTION NO 08

Energy efficiency means?

Answer: Using less energy for the same service

Efficiency is often the cheapest “resource”.

Shahzad Mahota @shahzad-mahota

302 Quizzes

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QUESTION NO 09

A biodiversity hotspot is?

Answer: A region with high endemism under severe threat

Hotspots prioritize conservation investment.

Shahzad Mahota @shahzad-mahota

302 Quizzes

2930 Questions

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QUESTION NO 10

Oil spills primarily pollute?

Answer: Marine and coastal ecosystems

Oil coats organisms and habitats.

Shahzad Mahota @shahzad-mahota

302 Quizzes

2930 Questions

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Environmental Science