Major Environmental Issues MCQs for CET 12th Level
Practice 20 free major environmental issues multiple choice questions for CET 12th Level exam. Instant answers, explanations in Hindi and English, and topic-wise targeted practice.
Master Major Environmental Issues under World Geography for CET 12th Level with our curated MCQ set. Every question is sourced from real Rajasthan exam patterns and updated regularly. Switch between Hindi and English anytime. Use this daily to strengthen weak areas before the exam.
CET 12th Level — World Geography — Major Environmental Issues
20 Questions • Instant results & explanations • Hindi & English
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Question 1 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 2 of 20
What is the updated Nationally Determined Contribution (NDC) target set by Brazil by the year 2035, compared to its 2005 emission levels?
Question 3 of 20
Due to the effects of Polar Amplification, the Arctic sea ice extent plummeted to a mere 3.93 million square miles in 2025. What is the official historical ranking of this specific measurement?
Question 4 of 20
Consider the following statements regarding the climatic characteristics of Rajasthan's zones: 1. The Western Arid Zone experiences an annual rainfall of less than 20 cm. 2. The Coefficient of Variation (CV) of rainfall in the Eastern Semi-Arid zones is higher than that in the Western Arid Zone. 3. Recent climate models indicate an eastward expansion of the arid climate across the Aravalli range. Which of the statements given above is/are correct?
Question 5 of 20
What is the primary significance of the 'Milankovitch Cycles' in the study of climatology?
Question 6 of 20
Which of the following chronological sequences accurately depicts the cascading hydrological impact of global warming on mountain ecosystems and their dependent downstream populations?
Question 7 of 20
The massive release of Methane through the specific biological process of 'enteric fermentation' is directly associated with which of the following?
Question 8 of 20
Consider the following events: 1. Deforestation of tropical rainforests 2. Shift in Earth's orbital eccentricity 3. Clinker production in cement manufacturing 4. Eruption of volcanoes releasing Sulphur Dioxide Which of the above are classified as anthropogenic drivers of climate change?
Question 9 of 20
Under the New Collective Quantified Goal (NCQG) adopted at COP29, what does the USD 1.3 trillion per year target specifically represent?
Question 10 of 20
The conclusion that current climate change cycles possess an unprecedented speed and scale in observed human history is based on the latest rigorous analysis by which consortium of scientific organizations?
Question 11 of 20
What was the official theme for the World Meteorological Day observed globally on March 23, 2026?
Question 12 of 20
Read the following statements about Rajasthan's Mission 2030 and energy transition: I. The core vision aims to make the state an absolute leader in India across all sectors. II. Green energy forms the foundational pillar of this vision. III. The state intends to achieve its targets by increasing reliance on fossil fuels. Select the correct answer:
Question 13 of 20
Which of the following cities have been recognized as India's first Ramsar-accredited Wetland Cities?
Question 14 of 20
Consider the following statements regarding the impact of massive volcanic eruptions on the global climate: I. They trigger a short-term atmospheric cooling effect due to the release of ash and Sulphur Dioxide. II. They contribute to long-term global warming through the massive release of deep Earth Carbon Dioxide. Which of the statements given above is/are correct?
Question 15 of 20
The 'Theory of Anthropogenic Climate Change' establishes that rapid, destructive global warming is driven by human activities. According to scientific consensus, this unprecedented shift is traced back to which major historical milestone?
Question 16 of 20
Consider the following statements regarding Global Warming and Climate Change: I. Global warming refers exclusively to the continuous and long-term rise in the Earth's average surface temperature. II. Climate change is a broader concept that includes shifts in rainfall distribution, wind systems, ocean currents, and atmospheric pressure belts. Which of the statements given above is/are correct?
Question 17 of 20
In which year was the COP33 summit, which India withdrew from hosting, scheduled to take place?
Question 18 of 20
Match List-I (Targets) with List-II (Quantitative Values as per 2035 NDCs): List-I A. Clean Power Capacity B. Emissions Intensity Reduction C. Additional Carbon Sink D. Water Use Efficiency Goal List-II i. 47% ii. 60% iii. 20% iv. 3.5 to 4.0 billion tonnes
Question 19 of 20
Why are heavy industries like cement manufacturing characterized as 'hard-to-abate' sectors in the context of combating climate change?
Question 20 of 20