Reading comprehension I: inference, assumption, corollary and implication: previous-year questions
211 real UPSC Prelims questions (2011–2026) with the official answer and a clear explanation. 62 of them came in the last five papers.
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Read the passage
With the digital phenomenon restructuring most social sectors, it is little surprise that global trade negotiations are now eyeing the digital area in an attempt to pre-emptively colonise it. Big Data is freely collected or mined from developing countries, and converted into digital intelligence in developed countries. This intelligence begins to control different sectors and extract monopoly rents. A large foreign company providing cab service, for instance, is not a network of cars and drivers; it is digital intelligence about commuting, public transport, roads, traffic, city events, personal behavioural characteristics of commuters and drivers and so on.
Which of the following is most definitively implied by the above passage ?
Answer (a) & explanation
The passage most clearly implies that Big Data is the key resource in the digital space (a). Step 1: it says data turned into "digital intelligence" lets firms control whole sectors and earn monopoly rents. So data is the central resource. That is (a). Step 2: option (b) says big economies create Big Data. But the passage says much data comes from developing countries, which weakens (b). Step 3: options (c) and (d) say Big Data belongs to developed countries. The passage says rich-country firms grab it, not that access is their right or nature.
Tip: data is often called "the new oil". India's Digital Personal Data Protection Act, 2023 is one response to this concern.
Answer as per the official UPSC answer key.
Read the passage
In a study, scientists compared the microbiomes of poorly nourished and well nourished infants and young children. Gut microbes were isolated from faecal samples of malnourished and healthy children. The microbiome was “immature” and less diverse in malnourished children compared to the better developed “mature” microbiome found in healthy children of the same age. According to some studies, the chemical composition of mother’s milk has shown the presence of a modified sugar (sialylated oligosaccharides). This is not utilized by the baby for its own nutrition. However, the bacteria constituting the infant’s microbiome thrive on this sugar which serves as their food. Malnourished mothers have low levels of this sugar in their milk. Consequently, the microbiomes of their infants fail to mature. That in turn, leads to malnourished babies.
Which one of the following is the most logical, rational and crucial inference that can be derived from the above passage ?
Answer (d) & explanation
The inference is that research on gut bacteria and nutrition has policy implications (d). Step 1: the study links mothers' milk, gut bacteria and malnutrition in babies. Such findings can shape nutrition policy. That is (d). Step 2: options (b) and (c) suggest specific treatments: putting mature microbiomes into babies' guts, or replacing mother's milk with fortified dairy milk. The passage never tests these, and (c) even goes against breastfeeding. Step 3: option (a) says the condition cannot be treated; that is defeatist and not stated.
Tip: when a passage reports early research, the safe inference is that it "has implications". Specific cures go beyond the evidence.
Answer as per the official UPSC answer key.
Read the passage
The rural poor across the world, including India, have contributed little to human-induced climate change, yet they are on the frontline in coping with its effects. Farmers can no longer rely on historical averages for rainfall and temperature, and the more frequent and extreme weather events, such as droughts and floods, can spell disaster. And there are new threats, such as sea level rise and the impact of melting glaciers on water supply. How significant are small farms ? As many as two billion people worldwide depend on them for their food and livelihood. Small-holder farmers in India produce 41 percent of the country’s food grains, and other food items that contribute to local and national food security.
What is the most logical and rational corollary to the above passage ?
Answer (a) & explanation
The corollary is that supporting small farmers is part of any sustainable development agenda (a). Step 1: the passage says small farmers feed about two billion people, yet they face climate shocks first. So helping them is central to sustainable growth. That is (a). Step 2: option (d) says only small farmers can ensure food security. But they grow 41% of India's grain, not all of it. So "only" fails. Step 3: option (b), poor countries have little role in fighting warming, is not supported. Option (c), India will have no food problem, contradicts the passage's warning.
Tip: an "only" option needs the passage to say "all". A 41% share is large but not the whole.
Answer as per the official UPSC answer key.
Read the passage
In a study, scientists compared the microbiomes of poorly nourished and well nourished infants and young children. Gut microbes were isolated from faecal samples of malnourished and healthy children. The microbiome was “immature” and less diverse in malnourished children compared to the better developed “mature” microbiome found in healthy children of the same age. According to some studies, the chemical composition of mother’s milk has shown the presence of a modified sugar (sialylated oligosaccharides). This is not utilized by the baby for its own nutrition. However, the bacteria constituting the infant’s microbiome thrive on this sugar which serves as their food. Malnourished mothers have low levels of this sugar in their milk. Consequently, the microbiomes of their infants fail to mature. That in turn, leads to malnourished babies.
On the basis of the above passage, the following assumptions have been made :
- 1. Processed probiotic foods are a solution to treat the children suffering from malnutrition due to immature gut bacteria composition.
- 2. The babies of malnourished mothers generally tend to be malnourished.
Which of the above assumptions is/are valid ?
Answer (b) & explanation
Only assumption 2 is valid (b). Step 1: the passage says malnourished mothers' milk has less of certain sugars. This keeps their babies' gut bacteria immature, which "leads to malnourished babies". So babies of malnourished mothers tend to be malnourished. Assumption 2 holds. Step 2: assumption 1 offers processed probiotic foods as a cure. Probiotic foods are not mentioned in the passage. Step 3: so options (a), (c) and (d) fail.
Tip: this is part of the cycle of malnutrition: an underfed mother often has an underweight baby. India's POSHAN Abhiyaan targets mothers and young children together for this reason.
Answer as per the official UPSC answer key.
Read the passage
The rural poor across the world, including India, have contributed little to human-induced climate change, yet they are on the frontline in coping with its effects. Farmers can no longer rely on historical averages for rainfall and temperature, and the more frequent and extreme weather events, such as droughts and floods, can spell disaster. And there are new threats, such as sea level rise and the impact of melting glaciers on water supply. How significant are small farms ? As many as two billion people worldwide depend on them for their food and livelihood. Small-holder farmers in India produce 41 percent of the country’s food grains, and other food items that contribute to local and national food security.
The above passage implies that
- 1. There is a potential problem of food insecurity in India.
- 2. India will have to strengthen its disaster management capabilities.
Which of the above assumptions is/are valid ?
Answer (c) & explanation
Both implications are valid (c). Step 1: the passage says climate shocks hit small farmers, who grow 41% of India's grain. If their output falls, food supply is at risk. So India faces a potential food insecurity problem. Statement 1 holds. Step 2: it says "droughts and floods can spell disaster". To handle such shocks, India must be ready with disaster management. Statement 2 holds. Step 3: so options (a), (b) and (d) fail.
Tip: "potential" and "will have to strengthen" are moderate claims that a warning passage can support. India's National Disaster Management Authority, set up under the Disaster Management Act, 2005, leads such preparedness.
Answer as per the official UPSC answer key.
Read the passage
Temperatures have risen nearly five times as rapidly on the Western Antarctic Peninsula than the global average over the past five decades. Researchers have now found that melting glaciers are causing a loss of species diversity among benthos in the coastal waters off the Antarctic Peninsula, impacting an entire seafloor ecosystem. They believe increased levels of suspended sediment in water to be the cause of the dwindling biodiversity in the coastal region.
On the basis of the above passage, the following assumptions have been made :
- 1. Regions of glaciers warm faster than other regions due to global warming.
- 2. Global warming can lead to seafloor sedimentation in some areas.
- 3. Melting glaciers can reduce marine biodiversity in some areas.
Which of the above assumptions is/are valid ?
Answer (c) & explanation
Assumptions 2 and 3 are valid (c). Step 1: the passage says warming melts glaciers, which raises the amount of suspended sediment in the sea. So warming can cause seafloor sedimentation in some areas (2). Step 2: it says this sediment cuts the diversity of benthic (seafloor) life. So melting glaciers can reduce marine biodiversity (3). Step 3: assumption 1 says all glacier regions warm faster than others. The passage speaks of one peninsula warming fast. One case does not prove a general rule. So options (a), (b) and (d) fail.
Tip: "in some areas" makes 2 and 3 safe. A single example cannot support a claim about every region.
Answer as per the official UPSC answer key.
Read the passage
Education plays a great transformatory role in life, particularly so in this rapidly changing and globalizing world. Universities are the custodians of the intellectual capital and promoters of culture and specialized knowledge. Culture is an activity of thought, and receptiveness to beauty and human feelings. A merely well informed man is only a bore on God’s earth. What we should aim at is producing men who possess both culture and expert knowledge. Their expert knowledge will give them a firm ground to start from and their culture will lead them as deep as philosophy and as high as art. Together it will impart meaning to human existence.
On the basis of the above passage, the following assumptions have been made :
- 1. A society without well educated people cannot be transformed into a modern society.
- 2. Without acquiring culture, a person’s education is not complete.
Which of the above assumptions is/are valid ?
Answer (b) & explanation
Only assumption 2 is valid (b). Step 1: the passage says "a merely well informed man is only a bore" and that education must give "both culture and expert knowledge". So education without culture is incomplete. Assumption 2 holds. Step 2: assumption 1 says a society cannot be transformed without well-educated people. The passage talks about what good education is, not about how societies modernise. "Cannot" is too absolute and not argued. Step 3: so options (a), (c) and (d) fail.
Tip: this passage echoes the thinker A. N. Whitehead. In CSAT, quoted lines are the best evidence; pick the assumption that rests directly on them.
Answer as per the official UPSC answer key.
Read the passage
A changing climate, and the eventual efforts of governments (however reluctant) to deal with it, could have a big impact on investors’ returns. Companies that produce or use large amounts of fossil fuels will face higher taxes and regulatory burdens. Some energy producers may find it impossible to exploit their known reserves, and be left with “stranded assets” — deposits of oil and coal that have to be left in the ground. Other industries could be affected by the economic damage caused by more extreme weather — storms, floods, heat waves and droughts.
On the basis of the above passage, the following assumptions have been made :
- 1. Governments and companies need to be adequately prepared to face the climate change.
- 2. Extreme weather events will reduce the economic growth of governments and companies in future.
- 3. Ignoring climate change is a huge risk for investors.
Which of the above assumptions is/are valid ?
Answer (c) & explanation
Assumptions 1 and 3 are valid (c). Step 1: the passage lists carbon taxes, stranded assets (like coal plants that lose value) and weather damage as threats to investors' returns. So ignoring climate change is a big risk for investors (3). Step 2: since these risks are real, governments and companies must be prepared (1). Step 3: assumption 2 says extreme weather will reduce growth. The passage only says it "could". So 2 is too certain. Options (a), (b) and (d) fail.
Tip: "could" in a passage does not support "will" in an option. Matching the degree of certainty is a common CSAT test.
Answer as per the official UPSC answer key.
Read the passage
A research team examined a long-term owl roost. Owls prey on small mammals and the excreted remains of those meals that accumulated over the time, provide us an insight into the composition and structure of small mammals over the past millennia. The research suggested that when the Earth went through a period of rapid warming about 13,000 years ago, the small mammal community was stable and resilient. But, from the last quarter of the nineteenth century, human-made changes to the environment had caused an enormous drop in biomass and energy flow. This dramatic decline in energy flow means modern ecosystems are not adapting as easily as they did in the past.
On the basis of the above passage, the following assumptions have been made :
- 1. Global warming is a frequently occurring natural phenomenon.
- 2. The impending global warming will not adversely affect small mammals.
- 3. Humans are responsible for the loss of the Earth’s natural resilience.
Which of the above assumptions is/are valid ?
Answer (b) & explanation
Only assumption 3 is valid (b). Step 1: the passage says human-made changes caused "an enormous drop in biomass and energy flow". So ecosystems now recover less easily. Humans have weakened Earth's natural resilience. Assumption 3 holds. Step 2: assumption 1 calls warming a frequent natural event. The passage describes one past warming episode, not frequent ones. So 1 fails. Step 3: assumption 2 says coming warming will not harm small mammals. Even if small mammals coped in the past, today's ecosystems are weaker. So 2 fails. Options (a), (c) and (d) fail.
Tip: a past event does not guarantee the same result today, especially when the passage says conditions have changed.
Answer as per the official UPSC answer key.
Read the passage
Soil, in which nearly all our food grows, is a living resource that takes years to form. Yet it can vanish in minutes. Each year 75 billion tonnes of fertile soil is lost to erosion. That is alarming — and not just for food producers. Soil can trap huge quantities of carbon dioxide in the form of organic carbon and prevent it from escaping into the atmosphere.
On the basis of the above passage, the following assumptions have been made :
- 1. Large scale soil erosion is a major reason for widespread food insecurity in the world.
- 2. Soil erosion is mainly anthropogenic.
- 3. Sustainable management of soils helps in combating climate change.
Which of the above assumptions is/are valid ?
Answer (b) & explanation
Only assumption 3 is valid (b). Step 1: the passage says soil traps carbon dioxide as organic carbon. Keeping soils healthy keeps this carbon out of the air. So sustainable soil care helps fight climate change. Assumption 3 holds. Step 2: assumption 2 says erosion is mainly anthropogenic (man-made). The passage names no cause of erosion, so 2 fails. Step 3: assumption 1 says erosion is a major reason for present food insecurity worldwide. The passage claims no such current crisis. So 1 fails, and options (a), (c) and (d) fail.
Tip: soil is the largest land store of carbon, holding more than plants and the air together. That is why soil health is a climate topic.
Answer as per the official UPSC answer key.
Read the passage
Access to schooling for those coming of school age is close to universal, but access to quality exhibits a sharp gradient with socio-economic status. Quotas for the weaker sections in private schools is a provision introduced by the Right of Children to Free and Compulsory Education Act, 2009. The quotas have imposed a debate on issues of social integration and equity in education that private actors had escaped by and large. The idea of egalitarian education system with equality of opportunity as its primary goal appears to be outside the space that private school principals inhabit. Therefore, the imposition of the quotas has led to resistance, sometimes justified.
With reference to the above passage, the following assumptions have been made :
- 1. Making equality of opportunity a reality is the fundamental goal of the Indian education system.
- 2. The present Indian school system is unable to provide egalitarian education.
- 3. Abolition of private schools and establishment of more government schools is the only way to ensure egalitarian education.
Which of the above assumptions is/are valid ?
Answer (b) & explanation
Only assumption 2 is valid (b). Step 1: the passage says school quality "exhibits a sharp gradient with socio-economic status". In plain words, richer children get better schools. So the present system is not equal. Assumption 2 holds. Step 2: assumption 1 calls equality the fundamental goal of Indian education. The passage notes equality is outside private schools' aims, but it does not show it is the system's core goal. So 1 fails. Step 3: assumption 3 says abolishing private schools is the only way. That is extreme and never argued. Options (a), (c) and (d) fail.
Tip: "abolition" and "only way" are extreme words. Passages describing a problem rarely back such drastic fixes.
Answer as per the official UPSC answer key.
Read the passage
Food varieties extinction is happening all over the world — and it is happening fast. For example, of the 7,000 apple varieties that were grown during the nineteenth century, fewer than a hundred remain. In the Philippines, thousands of varieties of rice once thrived; now only up to a hundred are grown there. In China, 90 percent of the wheat varieties cultivated just a century ago have disappeared. Farmers in the past painstakingly bred and developed crops well suited to the peculiarities of their local climate and environment. In the recent past, our heavy dependence on a few high yielding varieties and technology-driven production and distribution of food is causing the dwindling of diversity in food crops. If some mutating crop disease or future climate change decimates the few crop plants we have come to depend on to feed our growing population, we might desperately need some of those varieties we have let go extinct.
On the basis of the above passage, the following assumptions have been made :
- 1. Humans have been the main reason for the large scale extinction of plant species.
- 2. Consumption of food mainly from locally cultivated crops ensures crop diversity.
- 3. The present style of production and distribution of food will finally lead to the problem of food scarcity in the near future.
- 4. Our food security may depend on our ability to preserve the locally cultivated varieties of crops.
Which of the above assumptions are valid ?
Answer (b) & explanation
Assumptions 2 and 4 are valid (b). Step 1: the passage says growing local varieties keeps crop diversity alive. So eating mainly local crops supports diversity (2). Step 2: it says we "might desperately need" these varieties in future. So food security may depend on saving them (4). Step 3: assumption 1 is about all plant species, but the passage covers only food crops. Assumption 3 is a firm forecast of scarcity ("will finally lead"), which the passage does not make. So options (a), (c) and (d) fail.
Tip: "may depend" matches "might need". A cautious passage supports cautious statements, not firm predictions. India's seed banks and traditional seed savers help protect such varieties.
Answer as per the official UPSC answer key.
Read the passage
Inequality is visible, even statistically measurable in many instances, but the economic power that drives it is invisible and not measurable. Like the force of gravity, power is the organising principle of inequality, be it of income, or wealth, gender, race, religion and region. Its effects are seen in a pervasive manner in all spheres, but the ways in which economic power pulls and tilts visible economic variables remain invisibly obscure.
On the basis of the above passage, the following assumptions have been made :
- 1. Economic power is the only reason for the existence of inequality in a society.
- 2. Inequality of different kinds, income, wealth, etc. reinforces power.
- 3. Economic power can be analysed more through its effects than by direct empirical methods.
Which of the above assumptions is/are valid ?
Answer (b) & explanation
Only assumption 3 is valid (b). Step 1: the passage says economic power is "invisible and not measurable", yet its effects are seen everywhere. So we study power through its effects. Assumption 3 holds. Step 2: assumption 1 calls economic power the only reason for inequality. The passage does not say "only", so 1 overstates. Step 3: assumption 2 says inequality reinforces power. But the passage runs the other way: power drives inequality. So 2 reverses the direction. Options (a), (c) and (d) fail.
Tip: watch the direction of cause and effect. "A causes B" is not the same as "B causes A", and CSAT often flips them to set a trap.
Answer as per the official UPSC answer key.
Read the passage
Most invasive species are neither terribly successful nor very harmful. Britain’s invasive plants are not widespread, not spreading especially quickly, and often less of a nuisance than vigorous natives such as bracken. The arrival of new species almost always increases biological diversity in a region; in many cases, a flood of newcomers drives no native species to extinction. One reason is that invaders tend to colonise disturbed habitats like polluted lakes and post-industrial wasteland, where little else lives. They are nature’s opportunists.
Which one of the following is the most logical and rational inference that can be made from the above passage ?
Answer (c) & explanation
The inference is that campaigns against foreign plants are sometimes pointless (c). Step 1: the passage says most invading plants are "neither terribly successful nor very harmful". So fighting all of them can be a waste. "Sometimes" matches this. That is (c). Step 2: option (b) calls laws unnecessary. But "most" means some invaders are harmful, so some laws are needed. Step 3: options (a) and (d) ask us to deliberately use foreign plants for deserts or biodiversity. The passage never recommends this.
Tip: "most" supports "sometimes", but not "always" or "never". India's Lantana and Parthenium (congress grass) show that a few invaders do great harm.
Answer as per the official UPSC answer key.
Read the passage
Climate change may actually benefit some plants by lengthening growing seasons and increasing carbon dioxide. Yet other effects of a warmer world, such as more pests, droughts, and flooding, will be less benign. How will the world adapt ? Researchers project that by 2050, suitable croplands for four commodities — maize, potatoes, rice and wheat — will shift, in some cases pushing farmers to plant new crops. Some farmlands may benefit from warming, but others won’t. Climate alone does not dictate yields; political shifts, global demand, and agricultural practices will influence how farms fare in the future.
Which one of the following is the most logical and rational inference that can be made from the above passage ?
Answer (a) & explanation
The inference is that farmers who modernise and diversify will be better placed (a). Step 1: the passage says croplands will shift and "agricultural practices will influence how farms fare". So farmers who adapt their methods and grow varied crops gain. That is (a). Step 2: option (d) calls climate the most important factor. But the passage says "climate alone does not dictate yields". So (d) fails. Step 3: option (b), loss of crop diversity, is not stated. Option (c) predicts a great increase in farmland and output, which the passage never claims.
Tip: when a passage says "X alone does not decide", reject options that make X the main or only factor.
Answer as per the official UPSC answer key.
Read the passage
Diarrhoeal deaths among Indian children are mostly due to food and water contamination. Use of contaminated groundwater and unsafe chemicals in agriculture, poor hygiene in storage and handling of food items to food cooked and distributed in unhygienic surroundings; there are myriad factors that need regulation and monitoring. People need to have awareness of adulteration and ways of complaining to the relevant authorities. Surveillance of food-borne diseases involves a number of government agencies and entails a good training of inspection staff. Considering the proportion of the urban population that depends on street food for its daily meals, investing in training and education of street vendors is of great significance.
On the basis of the above passage, the following assumptions have been made :
- 1. Food safety is a complex issue that calls for a multipronged solution.
- 2. Great investments need to be made in developing the manpower for surveillance and training.
- 3. India needs to make sufficient legislation for governing food processing industry.
Which of the above assumptions is/are valid ?
Answer (a) & explanation
Assumptions 1 and 2 are valid (a). Step 1: the passage says "myriad factors" affect food safety and call for regulation, awareness and surveillance. So it is a complex issue needing many fixes. Assumption 1 holds. Step 2: it says food inspectors and vendors need training. So investment in manpower for surveillance and training is needed. Assumption 2 holds. Step 3: assumption 3 is about laws for the food processing industry. That industry is not discussed. So 3 fails, and options (b), (c) and (d) fail.
Tip: India's food regulator is FSSAI, set up under the Food Safety and Standards Act, 2006. But in CSAT, use only what the passage says.
Answer as per the official UPSC answer key.
Read the passage
A bat’s wings may look like sheets of skin. But underneath, a bat has the same five fingers as an orangutan or a human, as well as a wrist connected to the same cluster of wrist bones connected to the same long bones of the arm. What can be more curious than that the hand of a man, formed for grasping, that of a mole for digging, the leg of the horse, the paddle of the porpoise, and the wing of the bat, should all be constructed on the same pattern ?
Which one of the following is the most logical, scientific and rational inference that can be made from the above passage ?
Answer (d) & explanation
The inference is that man and these animals share an evolutionary history (d). Step 1: the passage says limbs used for very different jobs are "constructed on the same pattern". The same bone plan in a human hand, a bat's wing and a whale's flipper points to a common ancestor. That is (d). Step 2: options (a) and (b) call this biodiversity. But similar structure shows sameness, the opposite of diversity. Step 3: option (c) calls it a coincidence. That is unscientific; such matching patterns are evidence of shared descent.
Tip: these are called homologous organs: same structure, different use. They are classic evidence for evolution in school biology.
Answer as per the official UPSC answer key.
Read the passage
A vast majority of Indians are poor, with barely 10 percent employed in the organised sector. We are being convinced that vigorous economic growth is generating substantial employment. But this is not so. When our economy was growing at 3 percent per year, employment in the organised sector was growing at 2 percent per year. As the economy began to grow at 7 — 8 percent per year, the rate of growth of employment in the organised sector actually declined to 1 percent per year.
The above passage seems to imply that
- 1. most of modern economic growth is based on technological progress.
- 2. much of modern Indian economy does not nurture sufficient symbiotic relationship with labour-intensive, natural resource-based livelihoods.
- 3. service sector in India is not very labour-intensive.
- 4. literate rural population is not willing to enter organised sector.
Which of the statements given above are correct ?
Answer (c) & explanation
Statements 1, 2 and 3 are implied (c). Step 1: the passage says India's growth has been faster but has made fewer jobs. UPSC's key reads this as growth driven by technology and capital (1). Step 2: it also implies the modern economy is cut off from labour-intensive, natural resource-based livelihoods like farming and crafts (2). And the fast-growing services sector does not use much labour (3). Step 3: statement 4 says literate rural people are unwilling to join the organised sector. Nothing in the passage blames workers' attitude. So options (a), (b) and (d) fail.
Tip: "jobless growth" is the theme here. Statements about people's motives need direct support in the passage.
Answer as per the official UPSC answer key.
Read the passage
Around 56 million years ago, the Atlantic Ocean had not fully opened and animals, perhaps including our primate ancestors, could walk from Asia to North America through Europe and across Greenland. Earth was warmer than it is today, but as the Palaeocene epoch gave way to Eocene, it was about to get much warmer still — rapidly and radically. The cause was a massive geologically sudden release of carbon. During this period called Palaeocene-Eocene Thermal Maximum or PETM, the carbon injected into the atmosphere was roughly the amount that would be injected today if humans burned all the Earth’s reserves of coal, oil and natural gas. The PETM lasted for about 1,50,000 years, until the excess carbon was reabsorbed. It brought on drought, floods, insect plagues and a few extinctions. Life on Earth survived — indeed, it prospered — but it was drastically different.
Based on the above passage, the following assumptions have been made :
- 1. Global warming has a bearing on the planet’s biological evolution.
- 2. Separation of land masses causes the release of huge quantities of carbon into the atmosphere.
- 3. Increased warming of Earth’s atmosphere can change the composition of its flora and fauna.
- 4. The present man-made global warming will finally lead to conditions similar to those which happened 56 million years ago.
Which of the assumptions given above are valid ?
Answer (c) & explanation
Assumptions 1 and 3 are valid (c). Step 1: the passage says that after the warming event 56 million years ago (the PETM), life "prospered, but it was drastically different". So warming affects evolution (1) and changes the mix of plants and animals (3). Step 2: assumption 2 says separating land masses released the carbon. The passage gives no cause for the carbon release, so 2 fails. Step 3: assumption 4 predicts that today's warming will lead to the same conditions. The passage makes no forecast, so 4 fails. Options (a), (b) and (d) fail.
Tip: a passage about the past rarely supports a firm prediction about the future. Reject "will finally lead to" type claims.
Answer as per the official UPSC answer key.
Read the passage
India has banking correspondents, who help bring people in the hinterland into the banking fold. For them to succeed, banks cannot crimp on costs. They also cannot afford to ignore investing in financial education and literacy. Banking correspondents are way too small to be viewed as a systemic risk. Yet India’s banking regulator has restricted them to serving only one bank, perhaps to prevent arbitrage. Efforts at banking outreach may succeed only if there are better incentives at work for such last-mile workers and also those providers who ensure not just basic bank accounts but also products such as accident and life insurance and micro pension schemes.
Which one of the following is the most logical, rational and crucial inference that can be derived from the above passage ?
Answer (c) & explanation
The inference is that meaningful financial inclusion needs banking correspondents with diverse skills (c). Step 1: the passage says correspondents must give financial education and sell insurance and pensions, not just open accounts. That needs varied skills. That is (c). Step 2: option (b) asks for more correspondents. The passage asks for better incentives, not more workers. Step 3: option (a) says efforts have failed, which the passage does not say. Option (d), each correspondent serving many banks, goes beyond the passage, and "impossible unless" is extreme.
Tip: banking correspondents are local agents who offer bank services in villages without branches. They were key to Jan Dhan Yojana, launched in 2014.
Answer as per the official UPSC answer key.