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CET 12th Level — Major Environmental Issues MCQs

Practice 20 free major environmental issues multiple choice questions for CET 12th Level exam. Instant answers with explanations in Hindi and English.

Master Major Environmental Issues under World Geography for CET 12th Level with our curated MCQ set. Every question follows real Rajasthan exam patterns. Switch between Hindi and English anytime.

CET 12th Level — World Geography — Major Environmental Issues

20 Questions • Instant results & explanations • Hindi & English

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Question 1 of 20

In the study of deep time climatology, what does the natural phenomenon of 'Precession' specifically refer to?

Question 2 of 20

Assertion (A): Waterlogged rice paddies are a significant anthropogenic source of global warming. Reason (R): The waterlogged conditions promote aerobic respiration, leading to extreme releases of Carbon Dioxide. Select the correct answer from the codes given below:

Question 3 of 20

Global surface temperature anomalies use specific historical baselines for measurement. By how much did the 2025 annual global surface temperature exceed the 1951-1980 baseline?

Question 4 of 20

Which of the following statements correctly distinguishes 'Natural Forcings' from 'Anthropogenic Forcings' in climate dynamics?

Question 5 of 20

Which of the following statements about Brazil's proactive climate actions heading into the COP30 summit is/are correct? I. Brazil launched the 'Bioeconomy Challenge' prioritizing forest restoration and regenerative agriculture. II. Brazil revised its NDCs to increase net greenhouse gas emissions to facilitate rapid industrialization. III. Brazil's updated NDCs boldly target a 59% to 67% reduction in emissions by 2035.

Question 6 of 20

According to global climatological records, which two years rank as the first and second warmest, immediately preceding 2025 in the ranking?

Question 7 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 8 of 20

Assertion (A): The global community at the COP30 summit successfully finalized a universally binding legal roadmap for the complete and immediate phaseout of all fossil fuels. Reason (R): The adoption of standardized global indicators through the Adaptation Tracking Framework automatically eliminated all geopolitical friction regarding domestic energy transitions.

Question 9 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 10 of 20

Match List I (Component of Milankovitch Cycle) with List II (Associated Feature) and select the correct answer using the codes given below: List I I. Eccentricity II. Obliquity III. Precession List II 1. Wobble of the Earth's rotational axis 2. Change in the shape of Earth's orbit from circular to elliptical 3. Fluctuation in the tilt of the Earth's axis

Question 11 of 20

The historic 'Global Mutirão' decision was a landmark outcome of which of the following international climate summits?

Question 12 of 20

Which combination of regions and their specific climate-induced threats is INCORRECTLY matched?

Question 13 of 20

Which of the following natural factors is strictly responsible for variations in solar energy output?

Question 14 of 20

Which of the following isohyets broadly divides the physical geography of Rajasthan into the Western Arid Zone and the Eastern Semi-Arid Zone?

Question 15 of 20

The massive release of Methane through the specific biological process of 'enteric fermentation' is directly associated with which of the following?

Question 16 of 20

Which of the following is NOT an Anthropogenic Forcing responsible for modern rapid climate change?

Question 17 of 20

Match List-I (Policy Intervention/Technology) with List-II (Target Ecological Area) and select the correct answer: List-I A. Micro-irrigation B. CCUS C. Tradable Green Credits D. 90 GW Target List-II i. Climate Finance ii. Energy Transition iii. Water Availability iv. Industrial Emissions

Question 18 of 20

The concept of 'Thermodynamic Imbalance' in Earth's climate system is primarily caused by:

Question 19 of 20

Assertion (A): The recent trend of extreme global warming cannot be accurately explained by solar output variations alone. Reason (R): Over the past few decades, while global surface temperatures have risen sharply, the Sun's energy output has remained relatively stable.

Question 20 of 20

What does the formal approval of the updated NDCs in March 2026 legally require the nation to submit these targets to?

More World Geography Subtopics

Practice other subtopics under World Geography to strengthen your CET 12th Level preparation.