IELTS Academic Reading Practice Test 21

Time: 60 minutes
Total Questions: 40

Passage 1 (Questions 1–13)

Urban Farming: Feeding the Cities of the Future

The rapid expansion of urban populations has created significant challenges for food production and distribution systems worldwide. According to recent estimates, more than half of the global population now resides in urban areas, a figure expected to rise dramatically in the coming decades. This demographic shift has placed enormous pressure on traditional agricultural systems, which are often located far from urban centers. As a result, the concept of urban farming has gained considerable attention as a sustainable and innovative solution to modern food security concerns.

Urban farming refers to the practice of cultivating, processing, and distributing food within or on the outskirts of cities. While the idea itself is not entirely new—historical records indicate that urban agriculture existed in ancient civilizations—it has evolved significantly in response to technological advancements and environmental challenges. Today, urban farming incorporates a wide range of methods, from community gardens and rooftop farms to highly sophisticated vertical farming systems.

One of the most notable developments in this field is vertical farming, a method that involves growing crops in stacked layers, often within controlled indoor environments. These systems frequently utilize hydroponic or aeroponic technologies, which allow plants to grow without soil by delivering nutrients directly to their roots through water or mist. Cities such as Singapore, Tokyo, and New York have embraced vertical farming as a means of maximizing limited space while ensuring consistent crop production throughout the year.

The benefits of urban farming extend beyond food production. By reducing the distance between producers and consumers, urban agriculture significantly lowers transportation costs and carbon emissions associated with food distribution. Furthermore, it contributes to improved air quality, urban biodiversity, and community well-being. In many cities, community gardens have become important social spaces where residents can engage in collective activities, learn about sustainable practices, and strengthen social ties.

However, urban farming is not without its challenges. One major issue is the limited availability of suitable land, particularly in densely populated cities where real estate is expensive. Additionally, the initial investment required for advanced farming technologies can be prohibitively high, discouraging small-scale farmers. Environmental concerns, such as soil contamination and water scarcity, also pose significant obstacles that must be carefully managed.

Governments and international organizations are increasingly recognizing the potential of urban farming to address food insecurity and environmental degradation. Policies promoting green infrastructure, financial incentives for sustainable practices, and educational initiatives aimed at raising awareness are being implemented in various parts of the world. These efforts are helping to create a supportive environment for the growth of urban agriculture.

In conclusion, while urban farming cannot entirely replace traditional agricultural systems, it represents a vital component of future food strategies. By integrating innovative technologies with sustainable practices, urban farming has the potential to transform cities into self-sufficient ecosystems capable of meeting the nutritional needs of their populations.

Questions 1–5: True / False / Not Given

1. Urban farming originated only in modern times.
2. Vertical farming allows crops to grow without soil.
3. Urban farming eliminates the need for rural agriculture.
4. Transportation contributes to environmental pollution.
5. Governments are actively supporting urban farming.

Questions 6–10: Matching Headings

A. Technological innovations in farming
B. Government initiatives and support
C. Advantages of urban farming
D. Definition and background
E. Limitations and challenges

6. Paragraph 1
7. Paragraph 2
8. Paragraph 3
9. Paragraph 4
10. Paragraph 5

Questions 11–13: Short Answer Questions

11. What type of farming uses hydroponics and aeroponics?
12. What is one environmental issue related to soil?
13. What do community gardens help strengthen?

Passage 2 (Questions 14–26)

The Science Behind Human Decision-Making

Decision-making is a fundamental aspect of human behavior, influencing everything from daily routines to complex life choices. For centuries, philosophers and scientists have sought to understand how individuals make decisions and whether these processes are governed by logic, emotion, or a combination of both. In recent decades, advances in psychology, neuroscience, and behavioral economics have provided valuable insights into the mechanisms underlying human decision-making.

One of the most influential theories in this field is the concept of bounded rationality, introduced by economist Herbert Simon. This theory challenges the traditional notion that individuals are perfectly rational decision-makers. Instead, it suggests that people operate under constraints such as limited information, time pressure, and cognitive capacity. As a result, individuals often rely on simplified strategies, or heuristics, to make decisions that are “good enough” rather than optimal.

Cognitive biases are another critical factor influencing decision-making. These biases are systematic patterns of deviation from rational judgment, often resulting from the brain’s attempt to process information efficiently. For example, confirmation bias leads individuals to seek out information that supports their existing beliefs while ignoring contradictory evidence. Similarly, the availability heuristic causes people to overestimate the likelihood of events that are easily recalled from memory.

Emotions play an equally important role in shaping decisions. Research has shown that emotional states can significantly influence risk perception and judgment. For instance, individuals experiencing positive emotions may be more inclined to take risks, while those in negative emotional states tend to adopt more cautious approaches. This interaction between emotion and cognition highlights the complexity of human decision-making processes.

The advent of digital technology has further transformed the way decisions are made. Artificial intelligence and machine learning algorithms are increasingly being used to analyze large datasets and provide recommendations in areas such as finance, healthcare, and marketing. While these technologies can enhance efficiency and accuracy, they also raise important ethical concerns, including issues related to data privacy, transparency, and algorithmic bias.

Understanding the science behind decision-making has practical implications for individuals and organizations alike. By recognizing cognitive biases and emotional influences, people can develop strategies to improve their decision-making skills. This includes seeking diverse perspectives, critically evaluating information, and adopting a more reflective approach to choices.

Questions 14–18: Multiple Choice

14. What does bounded rationality suggest?
    A. People always make perfect decisions
    B. Decisions are made within limitations
    C. Emotions have no impact
    D. Decisions are random
15. Confirmation bias involves:
    A. Ignoring beliefs
    B. Seeking supporting information
    C. Avoiding decisions
    D. Using logic only
16. Availability heuristic is based on:
    A. Time
    B. Memory
    C. Emotion
    D. Intelligence
17. Positive emotions lead to:
    A. Fear
    B. Risk-taking
    C. Confusion
    D. Delay
18. AI raises concerns about:
    A. Speed
    B. Cost
    C. Ethics
    D. Simplicity

Questions 19–23: Yes / No / Not Given

19. Humans always act rationally.
20. Herbert Simon developed bounded rationality.
21. Cognitive biases improve decision-making.
22. AI is used in multiple industries.
23. Emotions do not affect decisions.

Questions 24–26: Sentence Completion

24. People often choose ______ solutions instead of perfect ones.
25. Negative emotions make individuals more ______.
26. Awareness of biases improves ______.

Passage 3 (Questions 27–40)

Climate Change: A Global Crisis and Collective Responsibility

Climate change represents one of the most significant challenges facing humanity in the 21st century. It refers to long-term alterations in temperature, precipitation, and other atmospheric conditions, primarily driven by human activities such as the burning of fossil fuels, deforestation, and industrial processes. The consequences of climate change are far-reaching, affecting ecosystems, economies, and societies across the globe.

One of the most evident impacts of climate change is the increase in global average temperatures. This phenomenon, commonly known as global warming, has led to the accelerated melting of polar ice caps and glaciers. As a result, sea levels are rising at an alarming rate, posing a serious threat to coastal regions and low-lying island nations. Flooding, erosion, and saltwater intrusion are becoming increasingly common, endangering both human populations and natural habitats.

Biodiversity is also under significant threat due to climate change. Many species are struggling to adapt to rapidly changing environmental conditions, leading to shifts in ecosystems and, in some cases, extinction. Coral reefs, for instance, are highly sensitive to temperature changes and have experienced widespread bleaching events, which compromise their survival and the marine life they support.

Agriculture, a sector heavily dependent on stable climatic conditions, is particularly vulnerable to the effects of climate change. Alterations in rainfall patterns, increased frequency of extreme weather events such as droughts and floods, and rising temperatures can disrupt crop production and reduce yields. This has serious implications for global food security, especially in developing regions where resources are limited.

In response to these challenges, governments and international organizations have taken steps to mitigate climate change. The Paris Agreement, for example, aims to limit global warming by reducing greenhouse gas emissions. Additionally, there has been a growing emphasis on renewable energy sources such as solar, wind, and hydropower as sustainable alternatives to fossil fuels.

However, addressing climate change requires a collective effort involving individuals, communities, businesses, and governments. Simple actions such as reducing energy consumption, adopting sustainable transportation methods, and supporting environmentally friendly policies can contribute to meaningful change.

In conclusion, climate change is a complex and urgent issue that demands immediate and sustained action. While progress has been made, continued commitment and collaboration are essential to ensure a sustainable future for generations to come.

Questions 27–30: Matching Information

A. Causes of climate change
B. Effects on biodiversity
C. Agricultural impact
D. Solutions and agreements

27. Paragraph 1
28. Paragraph 3
29. Paragraph 4
30. Paragraph 5

Questions 31–35: True / False / Not Given

31. Climate change is caused only by natural factors.
32. Rising sea levels threaten coastal regions.
33. All species can easily adapt to climate change.
34. Coral reefs are unaffected by temperature changes.
35. Renewable energy helps reduce climate change.

Questions 36–40: Short Answer Questions

36. What melts due to global warming?
37. Name one renewable energy source.
38. Which agreement targets global warming reduction?
39. What events affect agriculture?
40. Who must act to solve climate change?

Answer Key

Passage 1 (Questions 1–13)

True / False / Not Given

1. False
2. True
3. False
4. True
5. True

Matching Headings
6. D (Definition and background)
7. D (Definition and background) (intro + history context)
8. A (Technological innovations in farming)
9. C (Advantages of urban farming)
10. E (Limitations and challenges)

Short Answers
11. Vertical farming
12. Contamination
13. Social ties / community relationships

Passage 2 (Questions 14–26)

Multiple Choice
14. B
15. B
16. B
17. B
18. C

Yes / No / Not Given
19. No
20. Yes
21. No
22. Yes
23. No

Sentence Completion
24. satisfactory (or “good enough”)
25. cautious
26. decision-making

Passage 3 (Questions 27–40)

Matching Information
27. A (Causes of climate change)
28. B (Effects on biodiversity)
29. C (Agricultural impact)
30. D (Solutions and agreements)

True / False / Not Given
31. False
32. True
33. False
34. False
35. True

Short Answers
36. Ice caps / glaciers
37. Solar / wind / hydropower
38. Paris Agreement
39. Droughts / floods / extreme weather events
40. Governments, businesses, individuals (everyone)