UGC NET Questions (Paper – 1)

The Economic Survey highlights that India, like many developing countries, is still working to eradicate poverty and expand basic infrastructure. At the same time, it faces growing climate impacts and international expectations on mitigation. This creates a dual challenge: sustaining high growth while decarbonising and adapting. The Survey also notes that some global narratives overlook equity and historical responsibility, which is why India stresses climate justice alongside ambition.

Option A:
This option oversimplifies by implying that development and climate action are mutually exclusive. Indian policy documents instead argue for integrating the two through strategies like green growth and just transitions.

Option B:
This option is incorrect because India is still a developing country with significant poverty and infrastructure needs; it cannot “ignore” climate impacts, which are already affecting its people and economy.

Option C:
India does face international scrutiny and pressure regarding emissions, especially as its economy grows. Claiming there is no pressure ignores debates in global forums.

Option D:
This option correctly states the core dilemma and the emphasis on equitable solutions. It captures India’s position that development and climate action must proceed together in a way that recognises different national circumstances.

Statements A, B, C, D and F are correct because they show how biodiversity underpins services, provides livelihoods, is conserved through protected areas, is threatened by invasives and must be used sustainably. Statement E is wrong since biodiversity loss affects health and cultural values. Thus, the correct combination excludes E.

Option A:
Option A is correct as it includes all true statements and excludes E.

Option B:
Option B is incorrect because it includes E (false).

Option C:
Option C is incorrect because it omits A and includes E (false).

Option D:
Option D is incorrect because it includes E and omits C.

Desertification refers to land degradation in drylands resulting from both climatic variations and human activities. It leads to reduced biological productivity,loss of vegetation and expansion of barren lands. The stem mentions fertile land becoming degraded and barren in arid and semi arid regions,which corresponds exactly to desertification. Therefore desertification is the correct answer.

Option A:
Desertification is recognised as a major global environmental issue and is addressed under the UN Convention to Combat Desertification. By undermining livelihoods,it also contributes to poverty and migration. These features reinforce why it matches the description given.

Option B:
Salinisation occurs when soluble salts accumulate in the soil,usually due to improper irrigation practices. While salinity can contribute to desert like conditions,it is only one specific form of land degradation and does not cover the broader process described.

Option C:
Waterlogging results from excessive accumulation of water in the root zone,which can suffocate plants. It is more commonly associated with high rainfall or poorly drained irrigated areas rather than general dryland degradation.

Option D:
Urbanisation is the growth of towns and cities and changes in population distribution. Although it can increase pressure on land,it is a demographic and settlement process,not the gradual transformation of drylands into barren areas described in the stem.

Biomagnification occurs when chemicals that are persistent and fat-soluble accumulate in organisms and become more concentrated at higher trophic levels. Predators eat many prey items, each containing stored pollutants, leading to a build-up in their bodies over time. Substances such as DDT and methylmercury are well-known examples that biomagnify. The definition referring to progressive increase in concentration at successive trophic levels therefore correctly describes this process.

Option A:
Option A is incorrect because biomagnification is about pollutant concentration, not species richness. The number of species in a food chain is a separate ecological attribute.

Option B:
Option B is incorrect even though energy does diminish at higher trophic levels due to inefficiencies. That phenomenon relates to ecological pyramids and energy flow, not to the accumulation of contaminants.

Option C:
Option C is correct as it highlights both the persistence of certain chemicals and their tendency to move up the food chain. This explains why top predators, including humans, can face health risks even when environmental concentrations appear low.

Option D:
Option D is incorrect; microbial multiplication in sewage plants is part of biological treatment and waste breakdown. It does not involve the stepwise concentration of pollutants at different trophic levels.

The infant mortality rate (IMR) is a standard measure of child health and healthcare quality. It counts deaths of infants under one year per thousand live births during a specified period. The stem exactly reflects this definition,so infant mortality rate is the correct term. IMR is widely used to compare health outcomes across regions and over time.

Option A:
Crude death rate measures total deaths per thousand population,including all ages. It does not single out infants,so it fails to capture the specific focus on under one year of age described in the question.

Option B:
Infant mortality rate directly addresses the vulnerability of babies in their first year,which is a sensitive indicator of nutrition,immunisation and maternal health. Because the stem mentions both age limit and per thousand live births,this option is fully consistent.

Option C:
Under five population refers simply to the number or proportion of children younger than five years. It does not describe a death rate measure and therefore is not appropriate for the blank.

Option D:
Child dependency ratio compares the child population to the working age population. It serves as an economic burden indicator rather than a health statistic. Hence it does not match the mortality based concept in the question.

Statements A, B, D and F are correct because segregation, recognition of informal workers, well-designed user charges and impact assessment of waste-to-energy are all key aspects of modern waste governance. Statement C is wrong because open dumping degrades land, water and air and harms health, and E is wrong since awareness without systems and infrastructure cannot resolve complex waste issues. The combination that includes A, B, D and F and excludes C and E is therefore correct.

Option A:
Option A is incorrect as it omits F and thus ignores the need to evaluate environmental and social impacts of waste-to-energy projects, which can have significant externalities if poorly designed. Without F, the answer neglects an increasingly important policy concern.

Option B:
Option B is incorrect because it includes C, which wrongly claims that open dumping has no consequences. Accepting C contradicts well-established evidence on pollution, odour and disease risks from uncontrolled dumpsites.

Option C:
Option C is incorrect since it accepts E, which overstates what awareness campaigns alone can achieve, and excludes A. Without A, it fails to mention source segregation, which is foundational for effective recycling and composting.

Option D:
Option D is correct as it gathers the four statements that align with integrated waste management principles while rejecting C and E, which downplay pollution and over-rely on awareness. It reflects the governance, technical and social dimensions of urban solid waste management.

Statements A and B correctly present the idea that a large working-age population can be an opportunity for growth only when accompanied by investments in human capital. Statement C is wrong because without conducive policies, institutions and jobs, a youth bulge can even increase unemployment and social tensions. Statement D is also false since labour market conditions and governance strongly influence whether demographic dividend is realised. Therefore, the combination that includes A and B only, and excludes C and D, is the correct answer.

Option A:
Option A is incorrect because it selects only A as correct and ignores statement B, which is also true. While A describes the age-structure change, B adds the crucial condition of investments in education, health and skills needed to convert potential into actual growth. By omitting B, the option presents an incomplete view of demographic dividend.

Option B:
Option B is correct because it identifies exactly the two true statements, A and B, and excludes C and D which misrepresent the automatic and institution-independent nature of demographic dividend. It recognises that both a favourable age structure and supportive policies are needed. Thus, it matches the conceptual understanding required for this topic.

Option C:
Option C is incorrect since it includes C along with A and B. Although A and B are true, C falsely claims that demographic dividend automatically raises growth without policy support and institutional quality. Including this wrong statement makes the whole combination unacceptable.

Option D:
Option D is incorrect because it groups B, C and D. Here B is true but C and D are false; one wrongly asserts automatic growth and the other denies the role of labour markets and governance. A valid combination cannot contain these incorrect statements.

Statements A, B, D, E and F are correct on emissions, biodiversity loss, human causes, smoke impacts and prevention/control. Statement C is false because prescribed burning is used in some contexts to reduce fuel loads and manage ecosystems. Therefore, the correct set is A, B, D, E and F only.

Option A:
Option A is correct because it includes all true statements and excludes C, which wrongly claims prescribed burning is never used.

Option B:
Option B is incorrect because it includes C (false).

Option C:
Option C is incorrect because it includes C (false) and omits A (true), mixing errors and omissions.

Option D:
Option D is incorrect because it omits B, underrepresenting biodiversity/ecosystem degradation impacts of frequent uncontrolled fires.

An anthropocentric worldview regards humans as the most significant entities and evaluates nature mainly in terms of its usefulness to people. Environmental decisions are made primarily on the basis of human interests and benefits. The stem explicitly mentions treating nature as a resource for human use and placing humans at the centre,which is the hallmark of anthropocentrism. Hence Option D is correct.

Option A:
Ecocentric gives intrinsic value to ecosystems and nature,not primarily human-centered usefulness.

Option B:
Biocentric extends moral concern to all living beings,not just humans.

Option C:
Holistic stresses interconnections rather than placing humans at the center of value.

Option D:
Anthropocentric explicitly centers humans and treats nature chiefly as a resource for human use,matching the stem.

Environmental impact assessment is a formal process to identify,predict and evaluate potential environmental impacts of proposed projects. It helps decision makers consider environmental consequences alongside economic and technical factors. By doing so,it aims to avoid,reduce or compensate for adverse impacts before they occur. Therefore the definition in the question clearly refers to environmental impact assessment.

Option A:
A social audit evaluates the social performance and accountability of institutions,especially in governance and welfare schemes. While it may touch on environmental issues,it is not primarily about predicting environmental impacts of projects. Hence it does not match the process described in the stem.

Option B:
Environmental impact assessment is designed to be conducted before project approval. It involves baseline studies,impact prediction,mitigation planning and public consultation. This systematic approach fits perfectly with the description given in the question.

Option C:
Resource mapping involves identifying and documenting the distribution of various resources in a region. It is a useful planning tool but does not itself evaluate the impacts of a proposed project. Therefore it is not the best answer here.

Option D:
Performance appraisal usually refers to evaluation of employees in an organisation. It focuses on productivity and work behaviour rather than environmental effects of projects. Thus it is unrelated to the concept defined in the question.

The Intergovernmental Panel on Climate Change synthesises scientific research on climate change,its impacts and response options. It was created by the United Nations Environment Programme and the World Meteorological Organization in 1988. The stem describes this leading scientific assessment body,which is exactly the IPCC. Therefore Option A is the correct full form.

Option A:
This is the official full form of IPCC and matches the body established by UNEP and WMO to assess climate science.

Option B:
This is not an official organisation and does not match the IPCC acronym or mandate.

Option C:
This is not the recognised name of the IPCC and does not reflect its intergovernmental assessment role.

Option D:
This is not a real climate assessment body and incorrectly links climate with “commerce.”

Ecotourism aims to combine nature-based travel with environmental education, conservation support and community benefits. Visitors are encouraged to minimise their impacts, learn about ecosystems and contribute to local economies. Well-designed ecotourism provides incentives to conserve natural areas and cultural heritage. The option that emphasises responsible travel, conservation and local community benefits therefore captures the main characteristics of ecotourism.

Option A:
Option A is incorrect because mass tourism centred on amusement parks may have high environmental footprints and often lacks a conservation focus. It does not fit the low-impact, nature-oriented ideals of ecotourism.

Option B:
Option B is incorrect since ignoring local culture undermines one of ecotourism’s goals: respect for and appreciation of local traditions and ways of life. Cheap shopping without environmental or cultural sensitivity is not ecotourism.

Option C:
Option C is correct as it integrates environmental responsibility, natural settings and community welfare. This tripartite focus is central to international definitions of ecotourism.

Option D:
Option D is incorrect because relying on luxury hotels alone says nothing about environmental or social performance. Luxury tourism can be ecologically damaging if not managed sustainably.

An ecological footprint represents the demand that a population places on the Earth’s ecosystems. It is expressed as the area of biologically productive land and water required to supply resources and assimilate wastes. By comparing this demand with available biocapacity,we can assess sustainability. Thus the description in the question fits the concept of ecological footprint.

Option A:
The Environmental Kuznets Index is related to the Environmental Kuznets Curve,which hypothesises a relationship between income growth and environmental degradation. It is not a direct area based measure of resource demand. Therefore it does not match the definition in the stem.

Option B:
Ecological footprint converts consumption and waste generation into a common area based metric. It allows comparison across populations and time. Because it directly expresses the land and water needed for a given lifestyle,it is the correct answer here.

Option C:
The Human Development Index measures achievements in health,education and income. It does not quantify resource use or waste absorption in physical area units. Hence it is not appropriate for the description given.

Option D:
Gross Domestic Product measures the total monetary value of final goods and services produced in an economy. It provides no direct information about ecological resource demand. Therefore it cannot be the concept defined in the question.

A circular economy aims to move away from a linear “take make dispose” model toward closed material loops. Recycling is a core strategy that transforms used materials into inputs for new products. The stem lists reuse,repair and remanufacturing and asks for the missing process that keeps materials in use,which is recycling. Hence Option B is correct.

Option A:
Landfilling is a disposal option that removes materials from productive use. It is characteristic of the linear economy rather than the circular one,so Option A contradicts the intention of the question.

Option B:
Recycling allows materials like metals,glass and many plastics to be recovered instead of discarded. Combined with reuse and repair,it helps minimise raw material extraction and waste. This fits perfectly with the circular economy logic in the stem.

Option C:
Incineration destroys materials through burning and usually reduces opportunities for material recovery. Even when energy is recovered,it is not considered a core loop-closing process in circular economy thinking,so Option C is not ideal.

Option D:
Exporting waste often shifts environmental burdens to other regions and does not ensure that materials are effectively looped back into production. Thus Option D does not capture the principle in the question.

The greenhouse effect occurs when gases such as carbon dioxide,water vapour and methane absorb outgoing infrared radiation and re emit it toward the Earth’s surface. This process keeps the planet’s average temperature at a level suitable for life. The stem clearly describes this trapping and warming mechanism. Therefore the correct name is greenhouse effect.

Option A:
The albedo effect refers to the reflectivity of Earth’s surface and atmosphere,which determines how much solar radiation is reflected back into space. While it influences climate,it is distinct from the trapping of long wave radiation described in the question.

Option B:
The greenhouse effect involves the selective absorption and re emission of infrared radiation by greenhouse gases. This natural effect becomes enhanced when human activities increase greenhouse gas concentrations. Because the question focuses on this trapping process,greenhouse effect is the appropriate term.

Option C:
Ozone depletion is the thinning of the stratospheric ozone layer primarily due to chlorofluorocarbons. It increases the amount of harmful ultraviolet radiation reaching Earth,but it is not about trapping heat. Hence it is not the correct option.

Option D:
Acid rain describes precipitation with elevated acidity caused mainly by sulphur dioxide and nitrogen oxides dissolving in water. It leads to ecosystem damage and material corrosion but does not directly refer to atmospheric heat trapping.