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Consider the following statements regarding mercury pollution: 1. Gold mining activity is a source of mercury pollution in the world. 2. Coal-based th
In the context of WHO Air Quality Guidelines, consider the following statements: 1. The 24-hour mean of PM2.5 should not exceed 15 μg/m³ and annual me
Consider the following statements: Statement-I: Many chewing gums found in the market are considered a source of environmental pollution. Statement-
Consider the following ‘statements : 1. Some microorganisms can grow in environments with temperature above the boiling point of water. 2. Some microo
Which one of the following makes a tool with a stick to scrape insects from a hole in a tree or a log of wood?
The correct answer is option (d): None. Watch the detailed video explanation in our Sherlocking Prelims course on UnlockIAS.
This question was asked in UPSC CSE Prelims 2023, GS Paper 1, as Question 66. It falls under Environment & Ecology > Pollution & Waste Management.
This question is rated "moderate". It requires sound conceptual understanding of the topic.
UPSC has asked 38 questions from Pollution & Waste Management (under Environment & Ecology) across multiple years. Visit the topic page to see the full list and year-wise trends.