Reading comprehension II: central idea, author's view, purpose and passage-based facts: previous-year questions
263 real UPSC Prelims questions (2011–2026) with the official answer and a clear explanation. 71 of them came in the last five papers.
How often UPSC asks this
Questions per year, counted from the official papers.
Attempt the questions
Newest papers first. Tap an option; the answer and the reason appear instantly.
Read the passage
In our country, regrettably, teaching and learning for the examination have been our forte but the new demands of society and the future of work require critical and independent thinking, learning through doing, asking questions from multiple disciplinary perspectives on the same issue, using evidence for building arguments, and reflecting and articulation. Higher education should not “either be a mere servant of the government policy or a passive respondent to public mood.” Higher learning is all about how to think rather than what to think. Teaching has to be re-invented.
Which one of the following statements best reflects the central idea conveyed by the passage?
Answer (d) & explanation
The central idea is that the classroom must be reimagined and teaching re-invented (d). Step 1: the passage says Indian education has focused on exams, but society now needs critical thinking, learning by doing, questioning and evidence-based argument. Step 2: it ends: higher learning is about "how to think rather than what to think. Teaching has to be re-invented." That is (d). Step 3: option (a), lack of resources, is never discussed. Option (b) misreads "not a mere servant of government policy" as "no government control". Option (c), doing away with classrooms, is extreme; the author wants them changed, not removed.
Tip: the last line often states the central idea. The National Education Policy 2020 also stresses critical thinking over rote learning.
Answer as per the official UPSC answer key.
Read the passage
“A good statesman, like any other sensible human being, learns more from his opponents than from his fervent supporters. For his supporters will push him to disaster unless his opponents show him where the dangers are. So if he is wise he will often pray to be delivered from his friends, because they will ruin him. But, though it hurts, he ought also to pray never to be left without opponents; for they keep him on the path of reason and good sense. The national unity of free people depends upon a sufficiently even balance of political power to make it impracticable for the administration to be arbitrary and for opposition to be revolutionary and irreconcilable.”
With reference to the above passage, the following assumptions have been made
- I. In a democracy, a strong opposition is required only if the Head of Government is indifferent.
- II. The more aggressive the opposition, the better is the governance in a democracy.
Which of the above assumptions is/are valid?
Answer (d) & explanation
Neither assumption is valid (d). Step 1: assumption I says a strong opposition is needed "only if" the head of government is indifferent. But the passage says even a wise statesman should "pray never to be left without opponents". So opposition is always needed; I fails. Step 2: assumption II says the more aggressive the opposition, the better. The passage wants balance, and warns against opposition that is "revolutionary and irreconcilable". So II fails. Step 3: options (a), (b) and (c) fail.
Tip: "only if" and "the more ... the better" are traps. Passages about balance reject extremes on both sides.
Answer as per the official UPSC answer key.
Read the passage
Maintaining an ecosystem just to conserve biodiversity will affect its commercial potential as well as the livelihoods dependent on the ecosystem. There is also a conflict between using an ecosystem only for livelihoods, for commercial exploitation, or strictly for conservation. Deforestation caused due to commercial exploitation will lead to indirect harm like floods, siltation problems and microclimatic instability, apart from adversely affecting livelihoods dependent on forests. These conflicts are particularly acute in developing countries where the dependence of people on the ecosystem is significant, and commercial exploitation has the potential to boost national income.
Which one of the following statements best reflects the critical message conveyed by the author of the passage?
Answer (c) & explanation
The critical message is that livelihoods and ecosystem damage feed each other, causing conflict and imbalance (c). Step 1: the passage says conservation, livelihoods and commercial use pull against each other. Step 2: it adds that deforestation causes floods, siltation and climate instability, which in turn hurt livelihoods. So each problem worsens the other: (c). Step 3: option (a) dismisses conservation; the passage does not. Option (b) brings in fundamental rights, never mentioned. Option (d) says exploitation should be "completely stopped"; the passage weighs trade-offs and even notes it can boost national income.
Tip: passages about "conflicts" usually want a balanced answer. Reject extreme options like "completely stopped". This trade-off is the core idea of sustainable development.
Answer as per the official UPSC answer key.
Read the passage
In our country, regrettably, teaching and learning for the examination have been our forte but the new demands of society and the future of work require critical and independent thinking, learning through doing, asking questions from multiple disciplinary perspectives on the same issue, using evidence for building arguments, and reflecting and articulation. Higher education should not “either be a mere servant of the government policy or a passive respondent to public mood.” Higher learning is all about how to think rather than what to think. Teaching has to be re-invented.
With reference to the above passage, the following assumptions have been made:
- I. Higher education is a constantly evolving subject that needs to align towards new developments in all spheres of society.
- II. In our country, sufficient funds are not allocated for promoting higher education.
Which of the above assumptions is/are valid ?
Answer (a) & explanation
Only assumption I is valid (a). Step 1: the passage says "the new demands of society and the future of work" need new kinds of learning, and teaching must be re-invented. So higher education must keep evolving with society (I). Step 2: assumption II, about insufficient funds for higher education, is never mentioned. The passage is about teaching methods, not money. Step 3: so options (b), (c) and (d) fail.
Tip: reject assumptions that bring in a new topic like funds, staff or buildings when the passage talks only about methods. A valid assumption must link directly to the author's argument.
Answer as per the official UPSC answer key.
Read the passage
There has been no democracy that has grown economically without corporate capitalism. It helps in modernizing the economy and enabling the transition from rural to urban, and agriculture to industry and services, which are inevitable with growth. It generates jobs - and there is no other way to fix a country’s unemployment challenge without a further impetus to private business. Big companies can operate on a large scale and become competitive both domestically and externally. A vibrant corporate capitalist base also leads to additional revenues for the State - which in turn, can be used for greater welfare for the marginalized and creating a more level playing field in terms of opportunities.
Which one of the following statements best reflects the critical message conveyed by the author of the passage?
Answer (a) & explanation
The critical message is that corporate capitalism matters for economic growth and also for democracy (a). Step 1: the passage opens: "no democracy has grown economically without corporate capitalism." Step 2: it lists benefits: modernisation, jobs, global competitiveness, and revenue for welfare and a level playing field. So it supports both growth and democratic goals: (a). Step 3: option (b), political objectives, is not the focus. Option (c) widens the claim to "no State", though the passage speaks of democracies. Option (d) invents a two-way mutual dependence.
Tip: match the scope of the passage exactly. If it talks about democracies, reject options that talk about all States.
Answer as per the official UPSC answer key.
Read the passage
Maintaining an ecosystem just to conserve biodiversity will affect its commercial potential as well as the livelihoods dependent on the ecosystem. There is also a conflict between using an ecosystem only for livelihoods, for commercial exploitation, or strictly for conservation. Deforestation caused due to commercial exploitation will lead to indirect harm like floods, siltation problems and microclimatic instability, apart from adversely affecting livelihoods dependent on forests. These conflicts are particularly acute in developing countries where the dependence of people on the ecosystem is significant, and commercial exploitation has the potential to boost national income.
With reference to above passage, the following assumptions have been made:
- I. No country needs to depend on ecosystems to boost national income.
- II. Resource-rich countries need to share their resources with those of scant resources so as to prevent the degradation of ecosystems.
Which of the above assumptions is/are valid?
Answer (d) & explanation
Neither assumption is valid (d). Step 1: assumption I says no country needs ecosystems to boost national income. But the passage says commercial exploitation "has the potential to boost national income" in developing countries. So I contradicts the passage. Step 2: assumption II asks rich countries to share resources with poor ones. The passage never talks about sharing between countries. Step 3: so I goes against the text and II is outside it. Options (a), (b) and (c) fail.
Tip: an assumption that contradicts a line in the passage is invalid at once. One that brings in a new idea (like international sharing) is also invalid. Check each against the text, not against what sounds fair.
Answer as per the official UPSC answer key.
Read the passage
If there is inequality in the pattern of population growth, there is greater inequality in food production and utilization. As societies become wealthier, their consumption of animal products increases. This means that a greater proportion of such basic foodstuff as grains and legumes that could feed humans directly is instead being converted into feed for poultry and large farm animals. Yet this conversion of plant-based food into animal food for humans is far from efficient. Only 16% of the calories fed to chickens are recovered by us when we eat them. This conversion rate goes down to five to seven per cent in large animals that are fed grain to add fat and some protein before slaughter.
Which one of the following statements best reflects the crux of the passage?
Answer (b) & explanation
The crux is that animal-based food is far less efficient than plant-based food (b). Step 1: the passage says richer societies eat more animal products, so grain that could feed people is fed to animals. Step 2: it gives numbers: only 16% of calories fed to chickens come back to us, and just 5–7% for large animals. It calls this "far from efficient." That is (b). Step 3: options (a), a public policy, and (c), replacing animal protein, are prescriptions the passage does not make. Option (d) calls inequality "inevitable", which is not said.
Tip: crux questions want what the passage proves, not what someone should do about it. The numbers here prove inefficiency.
Answer as per the official UPSC answer key.
Read the passage
There has been no democracy that has grown economically without corporate capitalism. It helps in modernizing the economy and enabling the transition from rural to urban, and agriculture to industry and services, which are inevitable with growth. It generates jobs - and there is no other way to fix a country’s unemployment challenge without a further impetus to private business. Big companies can operate on a large scale and become competitive both domestically and externally. A vibrant corporate capitalist base also leads to additional revenues for the State - which in turn, can be used for greater welfare for the marginalized and creating a more level playing field in terms of opportunities.
With reference to the above passage, the following assumptions have been made:
- I. Corporate capitalism promotes the growth of labour force and provides more employment opportunities.
- II. Poor and marginalized sections of population are benefited by corporate capitalism due to trickle-down effect.
Which of the above assumptions is/are valid?
Answer (c) & explanation
Both assumptions are valid (c). Step 1: the passage says corporate capitalism "generates jobs", and that there is no other way to fix unemployment without private business. So it expands employment (I). Step 2: it adds that a strong corporate base brings extra revenue to the State, which can fund "greater welfare for the marginalized". So the poor benefit as gains flow down (II). Step 3: both follow from the text, so options (a), (b) and (d) fail.
Tip: "trickle-down" means benefits at the top reaching the poor over time, here through taxes funding welfare. Check that each assumption has a matching line in the passage.
Answer as per the official UPSC answer key.
Read the passage
The history of renewable energy suggests there is a steep learning curve, meaning that, as more is produced, costs fall rapidly because of economies of scale and learning by doing. The firms’ green innovation is path-dependent: the more a firm does, the more it is likely to do in the future. The strongest evidence for this is the collapse in the price of solar energy, which became about 90% cheaper during the 2010s, repeatedly beating forecasts. Moving early and gradually gives economies more time to adjust, allowing them to reap the benefits of path-dependent green investment without much disruption. A late, more chaotic transition is costlier.
Which one of the following statements best reflects the central idea of the passage?
Answer (d) & explanation
The central idea is that timing matters greatly in green technology (d). Step 1: the passage explains a learning curve: the more is produced, the faster costs fall, as with solar, which became about 90% cheaper in the 2010s. Step 2: its conclusion: "Moving early and gradually" helps economies adjust, while "a late, more chaotic transition is costlier." That is about timing: (d). Step 3: option (a), economies of scale, and (b), path-dependent innovation, are supporting points, not the main idea. Option (c), large economies, is never mentioned.
Tip: the conclusion of a passage usually gives its central idea; earlier lines are evidence. Ask: what is the author finally recommending?
Answer as per the official UPSC answer key.
Read the passage
If there is inequality in the pattern of population growth, there is greater inequality in food production and utilization. As societies become wealthier, their consumption of animal products increases. This means that a greater proportion of such basic foodstuff as grains and legumes that could feed humans directly is instead being converted into feed for poultry and large farm animals. Yet this conversion of plant-based food into animal food for humans is far from efficient. Only 16% of the calories fed to chickens are recovered by us when we eat them. This conversion rate goes down to five to seven per cent in large animals that are fed grain to add fat and some protein before slaughter.
With reference to the above passage, the following assumptions have been made:
- I. The food manufacturing and processing industries in every country should align their objectives and processes in accordance with the changing needs of the societies.
- II. Wealthier societies tend to incur great loss of calories of food materials due to indirect utilization of their agricultural produce.
Which of the above assumptions is/are valid?
Answer (b) & explanation
Only assumption II is valid (b). Step 1: the passage says wealthier societies feed grain to animals and recover only 16% (chicken) or 5–7% (large animals) of the calories. So they lose many calories through this indirect use of farm produce (II). Step 2: assumption I talks about food manufacturing and processing industries aligning with society's needs. The passage does not discuss these industries at all. Step 3: so I is outside the passage. Options (a), (c) and (d) fail.
Tip: when an assumption names a group (industries, governments) that the passage never mentions, reject it. Feeding animals grain is why meat has a bigger land and water footprint than plant food.
Answer as per the official UPSC answer key.
Read the passage
“A network of voluntary associations stands as a ‘buffer’ between the relatively powerless individual and the potentially powerful State.”
Which one of the following statements reflects the best explanation of the above passage?
Answer (c) & explanation
The best explanation is that associations take individuals out of isolation and let them join common efforts (c). Step 1: the passage calls voluntary associations a "buffer" between the "relatively powerless individual" and the "potentially powerful State". Step 2: alone, a person is weak. By joining groups, people act together and gain a voice. That is (c). Step 3: option (a) says the State cannot enforce its will, but the passage calls the State powerful, so (a) reverses it. Options (b) and (d) describe other features of associations, not the buffer idea.
Tip: unpack the metaphor ("buffer") first. Civil society groups like unions, NGOs and cooperatives play this role; Article 19(1)(c) protects the right to form associations.
Answer as per the official UPSC answer key.
Read the passage
The history of renewable energy suggests there is a steep learning curve, meaning that, as more is produced, costs fall rapidly because of economies of scale and learning by doing. The firms’ green innovation is path-dependent: the more a firm does, the more it is likely to do in the future. The strongest evidence for this is the collapse in the price of solar energy, which became about 90% cheaper during the 2010s, repeatedly beating forecasts. Moving early and gradually gives economies more time to adjust, allowing them to reap the benefits of path-dependent green investment without much disruption. A late, more chaotic transition is costlier.
With reference to the above passage, the following assumptions have been made:
- I. Path-dependent green investments will eventually most likely benefit growth as well as public finances in a country like India.
- II. If other green technologies follow the same pattern as that of solar energy, there will most likely be an easy green transition.
Which of the above assumptions is/are valid?
Answer (c) & explanation
Both assumptions are valid (c), as per UPSC's official key. Step 1: the passage says early, path-dependent green investment gives benefits "without much disruption", while a late transition is costlier. Lower costs and less disruption help both growth and public finances, including in a country like India (I). Step 2: solar became about 90% cheaper, beating forecasts. If other green technologies follow the same curve, the transition would likely be easier (II). Step 3: both follow from the passage's logic. Options (a), (b) and (d) fail. Some coaching keys printed (b), but the official answer is (c).
Tip: "most likely" softens an assumption, making it easier to accept. Note that solar's cost fall has made it one of India's cheapest new power sources.
Answer as per the official UPSC answer key.
Read the passage
Over the next 30 years, many countries are promising to move to net-zero carbon, implying that household emissions will have to be cut to close to nothing. A leading climate scientist reckons that, at best, half the reduction might be achieved through demand-side measures, such as behavioural changes by individuals and households. And even that would require companies and governments to provide more incentives to change through supply-side investments to make low-carbon options cheaper and more widely available.
Which one of the following statements best reflects the central idea conveyed by the passage?
Answer (b) & explanation
The central idea is that low-carbon behaviour can be encouraged through incentives (b). Step 1: the passage says household emissions must fall almost to zero, and at best half can come from changes in people's behaviour. Step 2: even that needs "companies and governments to provide more incentives to change", by making low-carbon options cheaper and widely available. That is (b). Step 3: option (a) says net zero is possible "only" through households, too strong. Option (c) reverses the logic: investment makes low-carbon options cheaper, not the other way. Option (d), subsidies to industry, is not stated.
Tip: look for the "even that would require..." line; it often holds the key. India's Mission LiFE (2022) promotes such climate-friendly lifestyles.
Answer as per the official UPSC answer key.
Read the passage
“The history of science is the real history of mankind.” In this striking epigram, a nineteenth-century writer links science with its background. Like most epigrams, its power lies in emphasizing by contrast an aspect of truth which may be easily overlooked. In this case, it is easy to overlook the relations between science and mankind, and to treat the former as some abstract third party, which can sometimes be praised for its beneficial influences, but frequently and conveniently blamed for the horrors of war. Science and mankind cannot be divorced from time to time at men’s convenience. Yet we have seen that, in spite of countless opportunities of improvement, the opening years of the present period of civilization have been dominated by international conflict. Is this the inevitable result of the progress of science or does the fault lie elsewhere?
Based on the above passage, the following assumptions have been made :
- 1. The horrors of modern life are the inevitable result of the progress of science.
- 2. The aspect of truth likely to be overlooked is that science is what man has made it.
Which of the assumptions given above is/are correct?
Answer (b) & explanation
Only assumption 2 is correct (b). Step 1: the passage says people wrongly treat science as an "abstract third party" that can be praised or blamed. The overlooked truth is that science belongs to mankind; it is what man makes of it (2). Step 2: assumption 1 says the horrors of modern life are the inevitable result of science. The author only asks this as a question ("Is this the inevitable result...?") and hints the fault may lie elsewhere. Step 3: so 1 is not assumed. Options (a), (c) and (d) fail.
Tip: a question asked by the author is not the author's belief. Read the closing question as a doubt, not a claim.
Answer as per the official UPSC answer key.
Read the passage
Only with long experience and opening of his wares on many a beach where his language is not spoken, will the merchant come to know the worth of what he carries, and what is parochial and what is universal in his choice. Such delicate goods as justice, love and honour, courtesy, and indeed all the things we care for, are valid everywhere but they are variously moulded and often differently handled, and sometimes nearly unrecognizable if you meet them in a foreign land, and the art of learning fundamental common values is perhaps the greatest gain of travel to those who wish to live at ease among their fellows.
When we meet other people while we travel, we learn to differentiate between
Answer (c) & explanation
Travel teaches us to tell local values from universal values (c). Step 1: the passage says the merchant, after opening his wares on many foreign beaches, learns "what is parochial and what is universal". Step 2: "parochial" means local or narrow. The goods are values like justice, love, honour and courtesy, valid everywhere but shaped differently in each land. So (c). Step 3: option (a), imagination and understanding, (b), communities and nationalities, and (d), friends and foes, are not in the passage.
Tip: when a passage uses a hard word, the answer often uses its simple meaning. Parochial = local; universal = common to all. The "merchant" here is a metaphor for the traveller.
Answer as per the official UPSC answer key.
Read the passage
Only with long experience and opening of his wares on many a beach where his language is not spoken, will the merchant come to know the worth of what he carries, and what is parochial and what is universal in his choice. Such delicate goods as justice, love and honour, courtesy, and indeed all the things we care for, are valid everywhere but they are variously moulded and often differently handled, and sometimes nearly unrecognizable if you meet them in a foreign land, and the art of learning fundamental common values is perhaps the greatest gain of travel to those who wish to live at ease among their fellows.
With reference to the above passage, the following assumptions have been made :
- 1. Travel leads to an understanding of humans.
- 2. Travel helps those who wish to learn fundamental common values.
- 3. A person with long experience in travel can resolve differences amongst people.
Which of the assumptions given above are valid?
Answer (a) & explanation
Assumptions 1 and 2 are valid (a). Step 1: the passage calls "the art of learning fundamental common values" the greatest gain of travel (2). Step 2: it adds this helps those "who wish to live at ease among their fellows", so travel helps us understand people (1). Step 3: assumption 3 says a well-travelled person can resolve differences among others. The passage talks only about the traveller's own understanding, not settling disputes. So options (b), (c) and (d) fail.
Tip: watch for statements that stretch a personal benefit into a social power. Understanding others is not the same as resolving their quarrels.
Answer as per the official UPSC answer key.
Read the passage
Evolution has endowed caterpillars that feed on corn with a unique ability, they can induce the plant to turn off its defence against insect predators. This helps caterpillars to eat more and grow faster. The agent that causes this effect is the caterpillar’s faeces or frass. The find could throw new light on compounds associated with plant response to pathogens like fungi or bacteria.
Which one of the following statements best reflects the most logical, rational and practical message conveyed by the passage?
Answer (c) & explanation
The practical message is that this can help develop organic, eco-friendly pesticides (c). Step 1: caterpillars make the corn plant switch off its defences through a natural compound in their droppings (frass). Step 2: once we understand how this switch works, we can find ways to keep plant defences on, a natural, chemical-free way to protect crops. That points to sustainable pest control, as UPSC's key takes it. Step 3: option (a), using caterpillars on weeds, is not suggested. Option (b), medical antimicrobials, goes beyond plants. Option (d), genetically modified caterpillars, is far-fetched.
Tip: in "practical message" questions, choose the option closest to the field of the passage, here crops and pests, not medicine. Biological pest control is part of integrated pest management.
Answer as per the official UPSC answer key.
Read the passage
In a robust democracy, reality, howsoever inconvenient it may be, finds its expression both in the speech of political leaders and the other social forms of assertion. The existence of the real has to be transparent, both through its circulation in and by the media as well as its argumentative articulation in deliberative democracy. A normatively responsible media through its communication effect has the responsibility to circulate the content of reality without distortion.
Which one of the following statements best reflects the crux of the above passage?
Answer (a) & explanation
The crux is that responsible media should not distort reality in an ideal democracy (a). Step 1: the passage says in a robust democracy, reality, "howsoever inconvenient", must be expressed openly by leaders and society. Step 2: its last sentence says a responsible media must "circulate the content of reality without distortion". That is (a). Step 3: option (b) calls fake news inherent, and (d) says media and leaders cannot be controlled: both are negative and unsupported. Option (c), no restrictions at all on speech, is too broad; the passage talks about truthful reporting, not unlimited freedom.
Tip: the last sentence of a short passage often states its crux. In India, Article 19(1)(a) protects free speech, with reasonable limits under Article 19(2).
Answer as per the official UPSC answer key.
Read the passage
Green growth involves rethinking growth strategies with regard to the impacts on environmental sustainability and the environmental resources available to poor and vulnerable groups. In rethinking growth, we need to focus on the current reality of a resource-constrained world. Resource intensive and, in particular energy intensive processes will need to make way for more efficient and resource frugal development strategies if we are to avoid an economic dead end or a world in which only a small elite is able to enjoy affluence in the midst of a sea of poverty.
Which one of the following statements best reflects the crux of the above passage?
Answer (c) & explanation
The crux is that high environmental standards are now needed for steady, inclusive growth (c). Step 1: the passage says we live in a resource-constrained world. Energy-heavy processes must give way to efficient, frugal strategies. Step 2: otherwise we face "an economic dead end" (no steady growth) or a world where only "a small elite" is rich (no inclusive growth). So green growth is a must for good growth: (c). Step 3: options (a), (b) and (d) treat the environment and growth as enemies, or call degradation unavoidable. The passage argues the opposite.
Tip: "green growth" means growth and the environment going together. Reject options that set them against each other.
Answer as per the official UPSC answer key.
Read the passage
Unlike religion and science, poetry does not posit or expect any belief in absolute truths. Those forces or individuals who claim to have absolute truths in their grasp tend to turn dictatorial and tyrannical. Truth usually does not admit any contradictions or imperfections. It is unitarian. It is, therefore, not of much use for poetry. Poetry abides by the plurality of life and existence. Perhaps poetry follows reality which is plural, anachronistic, full of contradictions. Against the tyranny of truth, poetry remains a partisan of democratic reality. Against the arrogance of power, wealth and hierarchy, poetry proposes both humility and defiance.
Which one of the following statements best reflects the most logical and rational message conveyed by the above passage?
Answer (d) & explanation
The message is that poetry is a form of dynamic resistance against tyranny and bigotry (d). Step 1: the passage says those who claim absolute truth turn "dictatorial and tyrannical". Step 2: poetry stands "against the tyranny of truth" and, against power and hierarchy, offers "humility and defiance". Defiance against power is resistance: (d). Step 3: option (a) narrows the idea to human imperfection. Option (b), poetry is "anathema to truth", and (c), poetry is only feeling, misstate it; the passage says poetry follows plural reality, not that it hates truth.
Tip: the closing lines often carry the main message. Words like "against" and "defiance" point to resistance.
Answer as per the official UPSC answer key.