Unit 1: Introduction and sustainable development - Practice Quiz

CHE110 — Environmental Studies 60 Questions
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1 The word environment is derived from the French word environner, which means:

Introduction to environment Easy
A. To cultivate
B. To pollute
C. To surround or encircle
D. To measure

2 Which of the following best defines the environment?

Introduction to environment Easy
A. Only the air surrounding the earth
B. The sum total of all living and non-living things and their surroundings that affect an organism
C. Only the soil in which plants grow
D. Only the collection of plants and animals in a forest

3 The environment is broadly divided into two main components. These are:

Components of environment Easy
A. Solid and liquid components
B. Urban and rural components
C. Biotic and abiotic components
D. Hot and cold components

4 Which of the following is an example of a biotic component of the environment?

Components of environment Easy
A. Water
B. Sunlight
C. Bacteria
D. Temperature

5 Which of the following is an abiotic component of the environment?

Components of environment Easy
A. Air
B. Fungi
C. Trees
D. Insects

6 The sphere of the earth that includes all the water bodies such as oceans, rivers, and lakes is called the:

Spheres of earth Easy
A. Atmosphere
B. Biosphere
C. Lithosphere
D. Hydrosphere

7 The solid outer part of the earth, consisting of rocks and soil, is known as the:

Spheres of earth Easy
A. Lithosphere
B. Biosphere
C. Hydrosphere
D. Atmosphere

8 The biosphere is best described as the zone of the earth where:

Spheres of earth Easy
A. Only rocks and minerals are found
B. No living organisms can survive
C. Only gases are present
D. Life exists and where the lithosphere, hydrosphere, and atmosphere interact to support living organisms

9 The layer of gases surrounding the earth is called the:

Spheres of earth Easy
A. Lithosphere
B. Biosphere
C. Hydrosphere
D. Atmosphere

10 Environmental studies is described as multidisciplinary because it:

Multidisciplinary nature of environmental studies Easy
A. Draws knowledge from many subjects like biology, chemistry, physics, geography, and economics
B. Focuses solely on chemistry
C. Is concerned only with pollution control
D. Deals only with the study of plants

11 Which of the following subjects contributes to the multidisciplinary nature of environmental studies?

Multidisciplinary nature of environmental studies Easy
A. Only zoology
B. Only botany
C. None of the sciences
D. Economics

12 One of the main reasons environmental studies is important is that it helps to:

Scope and importance of environmental studies Easy
A. Promote the destruction of forests
B. Encourage wasteful use of resources
C. Create awareness about environmental problems and their solutions
D. Increase industrial pollution

13 The scope of environmental studies includes:

Scope and importance of environmental studies Easy
A. Only weather forecasting
B. Conservation of natural resources, pollution control, and sustainable development
C. Only manufacturing of goods
D. Only wildlife photography

14 Sustainability primarily refers to the ability to:

Concept of sustainability Easy
A. Use up all resources as quickly as possible
B. Meet present needs without harming the ability of future generations to meet their needs
C. Stop all human development completely
D. Ignore environmental concerns for economic growth

15 The concept of sustainable development was popularized by which 1987 report?

Sustainable development Easy
A. The Brundtland Report (Our Common Future)
B. The Stockholm Declaration
C. The Kyoto Protocol
D. The Montreal Protocol

16 Sustainable development aims to balance which three key aspects?

Sustainable development Easy
A. Economic growth, environmental protection, and social well-being
B. Industry, war, and trade
C. Population, pollution, and poverty only
D. Farming, mining, and fishing only

17 The carrying capacity of an environment refers to the:

Carrying capacity Easy
A. Total weight the soil can hold
B. Maximum population size that the environment can support sustainably
C. Amount of rainfall received in a year
D. Number of vehicles allowed on a road

18 What is likely to happen when a population exceeds the carrying capacity of its environment?

Carrying capacity Easy
A. Nothing changes at all
B. Resources increase automatically
C. The environment becomes more stable
D. Resources become depleted and the environment gets degraded

19 The three commonly recognized pillars of sustainability are:

Pillars of sustainability Easy
A. Plants, animals, and microbes
B. Environmental, economic, and social
C. Air, water, and land
D. Past, present, and future

20 How many Sustainable Development Goals (SDGs) were adopted by the United Nations in 2015?

Sustainable development goals Easy
A. 25
B. 8
C. 10
D. 17

21 The word environment is derived from the French word environner, meaning to surround. Based on this, which statement best captures the scientific meaning of environment?

Introduction to environment Medium
A. The physical space occupied by human settlements alone
B. Only the living organisms that share a common habitat
C. The sum total of all biotic and abiotic factors surrounding and influencing an organism
D. The atmospheric conditions measured at a given location

22 A wetland contains fish, water, dissolved oxygen, aquatic plants, and decomposer bacteria. Which grouping correctly separates the abiotic components from the rest?

Components of environment Medium
A. Water and dissolved oxygen
B. Decomposer bacteria and fish
C. Fish and aquatic plants
D. Aquatic plants and decomposer bacteria

23 A fish breathing dissolved oxygen in a river interacts with multiple spheres of the earth. The dissolved oxygen and water represent which spheres respectively?

Spheres of earth Medium
A. Atmosphere and hydrosphere
B. Biosphere and atmosphere
C. Hydrosphere and lithosphere
D. Lithosphere and biosphere

24 Which of the following processes best demonstrates interaction between the lithosphere and hydrosphere?

Spheres of earth Medium
A. Plants absorbing carbon dioxide from the air
B. Evaporation of ocean water forming clouds
C. Wind eroding a sandy desert surface
D. Weathering of rocks releasing minerals into groundwater

25 A city plans to solve its air pollution problem. It needs experts to model pollutant dispersion, assess health impacts, design regulations, and evaluate economic costs. This scenario best illustrates that environmental studies is:

Multidisciplinary nature of environmental studies Medium
A. A subject limited to biological sciences
B. Multidisciplinary, drawing on many fields to address a single problem
C. Purely a branch of chemistry focused on pollutants
D. An economic discipline concerned only with cost analysis

26 Which pairing of a discipline with its contribution to environmental studies is incorrect?

Multidisciplinary nature of environmental studies Medium
A. Geography — studying spatial distribution of resources
B. Chemistry — analyzing pollutant concentrations in water
C. Economics — mapping the genetic diversity of species
D. Law — framing regulations for waste disposal

27 A government introduces environmental education in schools to change public behavior toward waste segregation. This action reflects which aspect of the importance of environmental studies?

Scope and importance of environmental studies Medium
A. Eliminating the need for pollution regulations
B. Raising awareness to promote sustainable practices
C. Reducing the multidisciplinary scope of science
D. Increasing industrial production output

28 Which of the following is least likely to fall within the scope of environmental studies?

Scope and importance of environmental studies Medium
A. Managing solid waste in urban areas
B. Deriving abstract theorems in pure mathematics
C. Conserving biodiversity in a national park
D. Assessing the impact of climate change on agriculture

29 A forest is harvested for timber at a rate exactly equal to its natural regrowth rate each year. This practice best represents the concept of:

Concept of sustainability Medium
A. Preservation, since no trees are ever cut
B. Sustainability, since the resource is not depleted over time
C. Overexploitation, since any harvesting depletes forests
D. Carrying capacity overshoot, since demand exceeds supply

30 Which situation most clearly violates the principle of sustainability?

Concept of sustainability Medium
A. Groundwater extracted faster than aquifers can recharge
B. Crop rotation to maintain soil fertility
C. Solar panels used to power a village
D. Rainwater harvesting for irrigation

31 The Brundtland Commission defined sustainable development as development that meets present needs without compromising future generations. A dam project provides electricity today but permanently destroys a river ecosystem. This project fails sustainable development because it:

Sustainable development Medium
A. Compromises the ability of future generations to meet their needs
B. Focuses only on economic growth without any social benefit
C. Provides too little electricity to the present generation
D. Uses renewable energy instead of fossil fuels

32 Which of the following is the best example of sustainable development in practice?

Sustainable development Medium
A. Diverting all river water to a single industrial plant
B. Building energy-efficient housing using local, renewable materials
C. Clearing rainforest to maximize short-term farming profit
D. Mining minerals as fast as market demand allows

33 A grassland can sustainably support 500 cattle. A farmer keeps 800 cattle, leading to overgrazing and soil erosion. This scenario is best described as:

Carrying capacity Medium
A. Increasing the biotic potential of the cattle
B. Reaching the exact carrying capacity of the ecosystem
C. Improving the resilience of the grassland
D. Exceeding the carrying capacity of the ecosystem

34 In logistic population growth, as a population approaches the carrying capacity (), the growth rate:

Carrying capacity Medium
A. Becomes negative immediately and stays negative
B. Remains constant at its maximum value
C. Slows down and approaches zero
D. Increases exponentially without limit

35 Which factor would most directly increase the carrying capacity of a given region for a human population?

Carrying capacity Medium
A. Rapid depletion of fossil fuel reserves
B. Improved agricultural technology raising food output
C. Loss of fertile topsoil due to erosion
D. A prolonged drought reducing water supply

36 The three pillars of sustainability are commonly described as economic, social, and environmental. A policy that boosts factory profits but pollutes local rivers and harms community health is weak because it:

Pillars of sustainability Medium
A. Ignores the economic pillar entirely
B. Strengthens only the economic pillar while neglecting the others
C. Balances all three pillars equally
D. Focuses only on the environmental pillar

37 The three pillars of sustainability are sometimes summarized as the three Ps. Which set correctly names them?

Pillars of sustainability Medium
A. Power, Politics, Progress
B. Planet, Profit, Population
C. People, Planet, Profit
D. People, Power, Production

38 The United Nations adopted a set of Sustainable Development Goals (SDGs) in 2015 to be achieved by 2030. How many SDGs are there in total?

Sustainable development goals Medium
A. 17
B. 8
C. 21
D. 12

39 A national program provides clean drinking water and improved sanitation facilities to rural households. This effort aligns most directly with which Sustainable Development Goal?

Sustainable development goals Medium
A. SDG 13: Climate Action
B. SDG 6: Clean Water and Sanitation
C. SDG 7: Affordable and Clean Energy
D. SDG 4: Quality Education

40 The Sustainable Development Goals differ from the earlier Millennium Development Goals mainly because the SDGs:

Sustainable development goals Medium
A. Focus only on the poorest developing nations
B. Address economic growth while ignoring the environment
C. Were designed to be achieved within a single year
D. Apply to all countries, both developed and developing

41 A closed island ecosystem has a carrying capacity deer. The population currently stands at and grows logistically. If the intrinsic growth rate , what is the approximate instantaneous growth rate at this moment?

Carrying capacity Hard
A. deer/yr
B. deer/yr
C. deer/yr
D. deer/yr

42 The concepts of 'weak sustainability' and 'strong sustainability' differ primarily in their assumptions about:

Concept of sustainability Hard
A. Whether natural capital and manufactured capital are substitutable
B. Whether population growth can be halted
C. Whether renewable energy is economically viable
D. Whether GDP should replace GNP as a metric

43 A pollutant released into the atmosphere is absorbed by rainwater, deposited on soil, taken up by plant roots, and later consumed by herbivores. Which sequence of Earth's spheres does this pathway traverse?

Spheres of earth Hard
A. Lithosphere → Atmosphere → Hydrosphere → Biosphere
B. Hydrosphere → Atmosphere → Biosphere → Lithosphere
C. Atmosphere → Hydrosphere → Lithosphere → Biosphere
D. Biosphere → Lithosphere → Atmosphere → Hydrosphere

44 The Brundtland definition of sustainable development embeds an intra-generational and an inter-generational obligation. Which pairing correctly maps these two dimensions?

Sustainable development Hard
A. Resource extraction now; technological substitution later
B. National sovereignty first; global cooperation second
C. Equity among present populations; not compromising future generations' needs
D. Economic growth today; environmental protection tomorrow

45 In the nested (concentric) model of sustainability, rather than the three-overlapping-circles model, the pillars are arranged such that:

Pillars of sustainability Hard
A. Economy sits within society, which sits within the environment
B. Environment sits within economy, which sits within society
C. The three pillars remain equal and independent
D. Society sits within economy, which sits within environment

46 The 17 SDGs are frequently criticized for potential goal conflicts. Which pair represents a commonly cited direct tension requiring careful policy trade-offs?

Sustainable development goals Hard
A. SDG 8 (economic growth) and SDG 13 (climate action)
B. SDG 4 (education) and SDG 5 (gender equality)
C. SDG 16 (peace) and SDG 17 (partnerships)
D. SDG 3 (health) and SDG 6 (clean water)

47 A team studying urban air pollution includes an epidemiologist, a chemist, an economist, and a policy analyst. This composition best demonstrates why environmental studies is described as multidisciplinary rather than merely interdisciplinary because:

Multidisciplinary nature of environmental studies Hard
A. It creates a single new discipline that replaces the parent fields
B. It draws on distinct disciplines whose methods remain identifiable while addressing one problem
C. It relies only on natural sciences for objective data
D. It excludes social sciences to avoid subjective bias

48 The concept of 'ecological footprint' relates to carrying capacity such that a region is in ecological deficit when:

Carrying capacity Hard
A. Its per-capita GDP is falling
B. Its population is below the logistic
C. Its footprint exceeds its biocapacity
D. Its biocapacity exceeds its footprint

49 Which classification correctly distinguishes the abiotic components of the environment from a biotic component in the following list: soil, decomposers, sunlight, temperature?

Components of environment Hard
A. All four are abiotic
B. Only sunlight is abiotic; the rest are biotic
C. Soil, decomposers are abiotic; sunlight, temperature are biotic
D. Soil, sunlight, temperature are abiotic; decomposers are biotic

50 An economy achieves 'decoupling' when growth in output occurs without proportional growth in resource use. 'Absolute decoupling' specifically requires that:

Sustainable development Hard
A. Resource use declines while economic output rises
B. Both output and resource use decline together
C. Resource use rises more slowly than economic output
D. Economic output and resource use rise together

51 Environmental studies is considered vocationally important because it underpins careers in Environmental Impact Assessment (EIA). The core function of an EIA is to:

Scope and importance of environmental studies Hard
A. Predict and evaluate a proposed project's environmental consequences before approval
B. Measure GDP contributions of the manufacturing sector
C. Impose penalties on industries after pollution has occurred
D. Restore ecosystems already degraded by past projects

52 The cryosphere is best understood in relation to the classical spheres as:

Spheres of earth Hard
A. A layer of the atmosphere containing ice crystals only
B. A subset of the hydrosphere representing water in frozen form
C. An independent sphere unrelated to the hydrosphere
D. A part of the lithosphere composed of frozen rock

53 The 'triple bottom line' framework evaluates performance across three dimensions. Which set correctly names them?

Concept of sustainability Hard
A. Policy, Population, Production
B. Power, Progress, Preservation
C. People, Planet, Profit
D. Poverty, Pollution, Protection

54 In a logistic model, the population growth rate is maximized at which population size?

Carrying capacity Hard
A.
B.
C.
D.

55 The SDGs (2015–2030) differ from their predecessors, the Millennium Development Goals, most fundamentally in that the SDGs:

Sustainable development goals Hard
A. Focus exclusively on poverty eradication
B. Apply universally to all countries, not only developing nations
C. Excluded environmental objectives entirely
D. Were legally binding treaties for all signatories

56 The word 'environment' derives from the French 'environner' meaning 'to surround.' Interpreting environment as a system, the most complete definition is:

Introduction to environment Hard
A. The sum of all biotic and abiotic factors and their interactions surrounding an organism
B. Only the physical landscape and climate of a region
C. The set of living organisms in a defined area
D. The pollution and waste generated by human activity

57 A development project boosts local income and protects a forest but displaces an indigenous community without consent. Which pillar of sustainability is most directly violated?

Pillars of sustainability Hard
A. Environmental pillar
B. Social pillar
C. Technological pillar
D. Economic pillar

58 In an ecosystem energy-flow analysis, which grouping correctly separates the functional components from the structural components?

Components of environment Hard
A. Producers and decomposers are functional; sunlight and soil are structural
B. All components are purely structural
C. Energy flow and nutrient cycling are functional; producers and consumers are structural
D. Nutrient cycling and consumers are functional; producers are structural

59 Which of the following contributions is drawn primarily from the social sciences within the multidisciplinary framework of environmental studies?

Multidisciplinary nature of environmental studies Hard
A. Analysis of environmental policy and human behavioral responses to incentives
B. Measurement of species diversity indices
C. Determination of pollutant half-life in soil
D. Modeling of atmospheric CO concentration

60 The 'importance' of environmental studies is often framed around the precautionary principle. This principle asserts that:

Scope and importance of environmental studies Hard
A. The polluter must always pay for damage after it occurs
B. Action should be taken only after harm is scientifically proven beyond doubt
C. Lack of full scientific certainty should not delay measures to prevent serious harm
D. Economic cost-benefit analysis must precede any environmental action