Major Environmental Issues MCQs for Rajasthan SI
Practice 20 free Major Environmental Issues questions under World Geography — Geography.
Strengthen your Major Environmental Issues knowledge for Rajasthan SI with curated MCQs. Switch between Hindi and English anytime.
Rajasthan SI — World Geography — Major Environmental Issues
20 Questions • Instant results & explanations • Hindi & English
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Question 1 of 20
Which specific atmospheric/oceanic condition was notably ABSENT during the record-high sea surface temperatures observed in 2025?
Question 2 of 20
What is the primary significance of the 'Milankovitch Cycles' in the study of climatology?
Question 3 of 20
Assertion (A): The Northern Hemisphere's snow cover extent dropped drastically below its historical average in 2025. Reason (R): Polar regions are subject to 'Polar Amplification', meaning they warm at a significantly faster rate than the global planetary average. Choose the correct code:
Question 4 of 20
With reference to the Global Heat & Cooling Forum (GHCF) 2026, consider the following statements: 1. It was held in Bharat Mandapam, New Delhi. 2. It was jointly led by the National Disaster Management Authority (NDMA) and the Natural Resources Defense Council (NRDC). 3. Its core focus was on developing sustainable cooling infrastructure and super-efficient cooling technologies. Which of the statements given above are correct?
Question 5 of 20
Mountain ecosystems cover approximately what percentage of the world's landmass, making their glacial health vital for a large portion of the global population?
Question 6 of 20
Assertion (A): The National Action Plan on Climate Change (NAPCC) originally consisted of 8 core national missions but was later expanded to include a 9th mission. Reason (R): The rapid rise in demand for fossil fuels in the transportation sector necessitated the creation of the National Electric Mobility Mission to cut tailpipe emissions.
Question 7 of 20
Which comprehensive set of human activities is scientifically classified as 'Anthropogenic Forcings' that are the primary drivers of the Enhanced Greenhouse Effect?
Question 8 of 20
Regarding Ocean Heat Content (OHC), how does the annual heat absorbed by the oceans over the past two decades compare to the total annual human energy use?
Question 9 of 20
Which two specific types of forest biomes are explicitly highlighted in the text as the Earth's primary carbon sinks that are under threat from deforestation?
Question 10 of 20
Which of the following strategic pairs regarding Global Climate Finance targets is correctly matched?
Question 11 of 20
What is the primary reason the mass extinction of biodiversity is considered an existential threat to humans?
Question 12 of 20
According to the empirical data in the text, fossil fuels account for more than ____ of total global GHG emissions and nearly ____ of total CO2 emissions.
Question 13 of 20
The Enhanced Greenhouse Effect is distinguished from historical, natural climate shifts primarily by its timescale. Over what specific period does this anthropogenic warming rapidly unfold?
Question 14 of 20
In the context of the severe hydrological deficit, why is 'AI-optimized rainwater harvesting' heavily emphasized alongside the Jal Jeevan Mission in modern state environmental policies?
Question 15 of 20
What is the specific chemical mechanism driving 'Ocean Acidification' which is currently destroying coral reefs and marine calcifying organisms?
Question 16 of 20
Assertion (A): Replacing fossil fuels with renewable electricity completely and easily eliminates Carbon Dioxide emissions in the cement manufacturing industry. Reason (R): The internal chemical process of clinker production in cement manufacturing intrinsically breaks chemical bonds and directly releases massive amounts of CO2 as a byproduct, independent of the factory's electricity source. Select the correct answer from the codes given below:
Question 17 of 20
The term 'Anthropogenic' in the context of climate change specifically refers to drivers that are:
Question 18 of 20
Match List I (Term) with List II (Definition) and select the correct answer: List I I. Aerosol Masking Effect II. Enteric Fermentation III. Anaerobic Decomposition List II 1. Methane production in waterlogged rice paddies 2. Methane release from the digestion of ruminant livestock 3. Short-term atmospheric cooling caused by volcanic ash and Sulphur Dioxide
Question 19 of 20
Assertion (A): In 2025, sea surface temperatures remained at historically high levels. Reason (R): The year 2025 experienced continuous and exceptionally strong El Niño conditions which heated the oceans. Select the correct answer:
Question 20 of 20