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
Consider the following statements regarding the contribution of the industrial sector to climate change: I. Heavy industries contribute to global warming solely because they consume massive amounts of electricity generated by fossil fuels. II. The chemical conversion of limestone in cement production directly emits massive amounts of Carbon Dioxide as an unavoidable byproduct. Which of the statements given above is/are correct?
Question 2 of 20
Which of the following best explains why the 'aerosol masking effect' created by volcanic eruptions does not provide a permanent solution to global warming?
Question 3 of 20
Assertion (A): The shift in agricultural practices towards massive commercial rice paddies fundamentally accelerates climate change. Reason (R): Rice paddies undergo enteric fermentation, a process that inherently traps infrared radiation.
Question 4 of 20
Fossil fuels are recognized as the most destructive driver of modern climate change. Which three resources primarily constitute this category?
Question 5 of 20
Which of the following natural orbital mechanics specifically dictates that the Earth's axis wobbles like a spinning top, thereby influencing deep-time climate cycles?
Question 6 of 20
What are the three primary substances released during massive volcanic eruptions that influence the global climate?
Question 7 of 20
Which of the following natural factors is strictly responsible for variations in solar energy output?
Question 8 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 9 of 20
Why are modern climatic shifts considered an 'existential crisis' compared to historical natural climate changes?
Question 10 of 20
The continuous and long-term rise specifically in the Earth's average surface temperature is defined as:
Question 11 of 20
Which four heavy industries are explicitly categorized in the text as 'hard-to-abate' sectors due to their massive electricity consumption and carbon-intensive chemical processes?
Question 12 of 20
The term 'Anthropogenic' in the context of climate change specifically refers to drivers that are:
Question 13 of 20
What is the specific natural mechanism that prevents the Earth's overall temperature from being so dangerously cold that sustaining biological life would be impossible?
Question 14 of 20
Which specific greenhouse gas is heavily produced by rice paddies due to the anaerobic decomposition triggered by waterlogged conditions?
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
The devastating 'double negative impact' caused by global deforestation involves the direct, instantaneous emission of stored carbon along with which of the following critical consequences?
Question 17 of 20
Which specific astronomical component of the Milankovitch Cycles describes the natural periodic fluctuation of the Earth's axial tilt between 22.1° and 24.5°?
Question 18 of 20
Which astronomical component within the Milankovitch Cycles specifically describes the slow, wobbling motion of the Earth's rotational axis, similar to a spinning top?
Question 19 of 20
Which natural orbital component involves the gradual change in the geometric shape of the Earth's orbit from circular to elliptical over thousands of years?
Question 20 of 20
According to the scientific consensus outlined in the Theory of Anthropogenic Climate Change, which historical era marks the beginning of dangerously high levels of the Enhanced Greenhouse Effect?
More World Geography Subtopics
Practice other subtopics under World Geography to strengthen your CET 12th Level preparation.