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Major Environmental Issues MCQs for RAS

Practice 20 free major environmental issues multiple choice questions for RAS exam. Instant answers, explanations in Hindi and English, and topic-wise targeted practice.

Master Major Environmental Issues under World Geography for RAS 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.

RAS — World Geography — Major Environmental Issues

20 Questions • Instant results & explanations • Hindi & English

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Question 1 of 20

Which of the following statements correctly explains why solar output variations cannot be the primary cause of modern global warming?

Question 2 of 20

Which of the following initiatives was launched at COP30 specifically to scale nature-based investments like forest restoration and regenerative agriculture?

Question 3 of 20

In the context of addressing urban air quality, what amount has been allocated in Delhi's Green Budget 2026-27 to implement the Draft Delhi EV Policy 2026-2030?

Question 4 of 20

Which of the following strategic pairs regarding Global Climate Finance targets is correctly matched?

Question 5 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 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

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 8 of 20

Which advanced market mechanism was introduced under Rajasthan's Green Budget to financially incentivize sustainable practices among industries?

Question 9 of 20

Given below are two statements, one labeled as Assertion (A) and the other as Reason (R): Assertion (A): The shift towards vehicular electrification under the Draft Delhi EV Policy 2026-2030 is viewed as a macro-economic tool for achieving 'Atmanirbharta' (self-reliance). Reason (R): Electrification of transport directly tackles heavy reliance on crude oil imports, thereby enhancing national energy security. Select the correct answer from the codes given below:

Question 10 of 20

Consider the following data points regarding the hydrological crisis in Rajasthan: 1. The groundwater extraction rate in districts like Jaisalmer has reached 150% of its natural recharge capacity. 2. 80% of Rajasthan's agricultural irrigation is entirely dependent on groundwater. 3. Aquifer depletion has caused an increase in agricultural productivity by 20% due to the introduction of modern tech. Which of the statements given above are correct?

Question 11 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 12 of 20

Why is 'Green Hydrogen' specifically mandated alongside Carbon Capture Utilization and Storage (CCUS) for hard-to-abate sectors like cement and chemicals?

Question 13 of 20

Which specific greenhouse gas is heavily produced by rice paddies due to the anaerobic decomposition triggered by waterlogged conditions?

Question 14 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 15 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 16 of 20

In the context of Milankovitch Cycles, the term 'Obliquity' refers to the fluctuation of the Earth's axial tilt over thousands of years. What is the approximate degree range of this natural tilt fluctuation?

Question 17 of 20

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

Question 18 of 20

What are the three primary substances released during massive volcanic eruptions that influence the global climate, according to the text?

Question 19 of 20

Match List-I (Initiative/Event) with List-II (Key Outcome/Characteristic): List-I A. COP30 (Brazil, 2025) B. Mission 2030 (Rajasthan) C. World Meteorological Day 2026 D. COP33 (2028) List-II i. India officially withdrew its hosting bid ii. Theme was 'Observing Today, Protecting Tomorrow' iii. Adoption of the historic 'Global Mutirão' decision iv. Set a target of 90 GW Renewable Energy

Question 20 of 20

Consider the following statements regarding the United Nations Framework Convention on Climate Change (UNFCCC): I. It operates as the central pillar of multilateral climate diplomacy. II. It enforces the 'Global Goal on Adaptation' using unstandardized, optional metrics. III. It was established primarily to regulate global cryptocurrency markets. Which of the statements given above is/are correct?

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