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UPSC 2018: The term “sixth mass extinction/sixth extinction” is often mentioned in the news in the context of the discussion of
(a)Widespread monoculture practices in agriculture and large-scale commercial farming with indiscriminate use of chemicals in many parts of the world that may result in the loss of good native ecosystems.
(b)Fears of a possible collision of a meteorite with the Earth in the near future in the manner it happened 65 million years ago that caused the mass extinction of many species including those of dinosaurs.
(c)Large-scale cultivation of genetically modified crops in many parts of the world and promoting their cultivation in other parts of the world which may cause the disappearance of good native crop plants and the loss of food biodiversity.
(d)Mankind’s over-exploitation/misuse of natural resources, fragmentation/loss of natural habitats, destruction of ecosystems, pollution and global climate change.
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Not attemptedCorrect Answer: (d) Mankind’s over-exploitation/misuse of natural resources, fragmentation/loss of natural habitats, destruction of ecosystems, pollution and global climate change.
Scientists use the phrase “sixth mass extinction” for the ongoing, human-driven loss of species caused by habitat fragmentation, over-exploitation, pollution and climate change—factors that mirror the drivers listed in option (d). UNEP notes that land degradation and other human pressures are already “pushing the planet towards a sixth mass species extinction.”([unep.org](https://www.unep.org/news-and-stories/story/warning-sixth-mass-species-extinction-cards?utm_source=openai))
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Frequently Asked Questions
What is the correct answer to this UPSC 2018 Environment & Ecology question?▼
The correct answer is option (d): Mankind’s over-exploitation/misuse of natural resources, fragmentation/loss of natural habitats, destruction of ecosystems, pollution and global climate change.. Watch the detailed video explanation in our Sherlocking Prelims course on UnlockIAS.
Which year was this Biodiversity & Conservation question asked in UPSC Prelims?▼
This question was asked in UPSC CSE Prelims 2018, GS Paper 1, as Question 60. It falls under Environment & Ecology > Biodiversity & Conservation.
What is the difficulty level of this UPSC question?▼
This question is rated "moderate". It requires sound conceptual understanding of the topic.
How many UPSC Prelims questions have been asked from Biodiversity & Conservation?▼
UPSC has asked 45 questions from Biodiversity & Conservation (under Environment & Ecology) across multiple years. Visit the topic page to see the full list and year-wise trends.