Ch 10: Food security
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Questions and Answers

What does food security entail according to the World Health Organization?

  • Access to abundant food without any economic constraints
  • Restricting access to food based on dietary needs
  • Ensuring everyone has access to sufficient, safe, and nutritious food for a healthy life (correct)
  • Providing specific types of food based on individual preferences
  • How has human population growth changed since the early 1800s?

  • Decreased steadily
  • Increased slightly
  • Grown exponentially (correct)
  • Remained stagnant
  • What major threat do droughts pose to food security?

  • Leading to overabundance of food
  • Improving agricultural practices
  • Reducing food availability (correct)
  • Enhancing crop production
  • Which factor contributes to the spread of diseases and impacts food availability?

    <p>Climate change</p> Signup and view all the answers

    Why is achieving food security challenging according to the text?

    <p>Population growth</p> Signup and view all the answers

    What defines food security in terms of dietary needs?

    <p>Access to sufficient food that meets dietary needs</p> Signup and view all the answers

    How does climate change affect food security?

    <p>Leading to more severe droughts and floods</p> Signup and view all the answers

    Why do alien invasive plants pose a threat to agricultural land?

    <p>They require more water than native species, depleting water sources.</p> Signup and view all the answers

    In what way does the loss of wild varieties affect food crops?

    <p>It reduces genetic diversity within food species.</p> Signup and view all the answers

    What is a significant factor contributing to food wastage in developing countries?

    <p>Loss during production and transportation.</p> Signup and view all the answers

    What is a potential benefit of genetically modified (GM) crops?

    <p>Improving resistance to pests and diseases.</p> Signup and view all the answers

    Why does monoculture farming pose a threat to long-term food security?

    <p>It leads to pest outbreaks and soil erosion.</p> Signup and view all the answers

    How do poor farming practices contribute to environmental pollution?

    <p>By excessive use of fertilizers and pesticides.</p> Signup and view all the answers

    What is a consequence of excessive food wastage globally?

    <p>Exacerbating food insecurity.</p> Signup and view all the answers

    Why do some have concerns regarding genetically modified (GM) seeds?

    <p>They may restrict farmers' rights and exacerbate socioeconomic inequalities.</p> Signup and view all the answers

    What is crucial for ensuring the well-being of individuals and communities worldwide?

    <p>Food security</p> Signup and view all the answers

    Which factor has surged dramatically over the past few centuries?

    <p>Human population growth</p> Signup and view all the answers

    What poses a significant threat to crop production and food security due to global warming?

    <p>Floods</p> Signup and view all the answers

    What is a crucial aspect of food security, according to the World Health Organization?

    <p>Access to sufficient, safe, and nutritious food</p> Signup and view all the answers

    How do droughts impact food security?

    <p>By posing a significant threat to crop production</p> Signup and view all the answers

    What has grown exponentially, reaching around 9 billion by 2020?

    <p>Human population</p> Signup and view all the answers

    What do floods contribute to that disrupts agricultural activities and damages crops?

    <p>Spread of diseases</p> Signup and view all the answers

    How do alien invasive plants affect agricultural productivity and water availability?

    <p>By requiring more water than native species</p> Signup and view all the answers

    What is a consequence of food wastage along the food supply chain?

    <p>Worsened food insecurity</p> Signup and view all the answers

    Which farming practice leads to pest outbreaks, soil erosion, and reduced climate resilience in agricultural systems?

    <p>Monoculture farming</p> Signup and view all the answers

    What is the primary concern regarding the ownership of genetically modified (GM) seeds by multinational corporations?

    <p>Potential restrictions on farmers' rights</p> Signup and view all the answers

    How does the loss of wild varieties impact the resilience and adaptation of modern food crops to environmental changes?

    <p>By compromising their ability to withstand pests and diseases</p> Signup and view all the answers

    What contributes significantly to environmental pollution, soil degradation, and biodiversity loss in agricultural systems?

    <p>Overuse of chemical fertilizers and pesticides</p> Signup and view all the answers

    What percentage of food produced for human consumption is estimated to be wasted globally annually?

    <p>One-third</p> Signup and view all the answers

    What hinders irrigation for food crops and depletes water sources due to their characteristics?

    <p>Alien invasive plants</p> Signup and view all the answers

    What challenges does rapid population growth pose to achieving food security?

    <p>Increasing the demand for food resources</p> Signup and view all the answers

    How does climate change influence food security through droughts?

    <p>Reducing food availability</p> Signup and view all the answers

    What impact do floods have on food security?

    <p>Damaging crops</p> Signup and view all the answers

    Why is achieving food security crucial for the well-being of individuals worldwide?

    <p>Supporting a healthy and active lifestyle</p> Signup and view all the answers

    How do various factors like population growth and climate change complicate the achievement of food security?

    <p>By creating challenges in food accessibility</p> Signup and view all the answers

    In what way does human population growth since the early 1800s affect food resources?

    <p>Straining food resources</p> Signup and view all the answers

    What are the consequences of droughts on food security?

    <p>Reducing food availability</p> Signup and view all the answers

    What impact do alien invasive plants have on water availability and agricultural productivity?

    <p>Depleting water sources and hindering irrigation</p> Signup and view all the answers

    How does the loss of wild varieties affect genetic diversity within food species?

    <p>It reduces genetic diversity, compromising resilience</p> Signup and view all the answers

    What contributes to food insecurity by exacerbating food wastage globally?

    <p>Wasting approximately one-third of food produced annually</p> Signup and view all the answers

    What primary concern arises from the ownership of genetically modified (GM) seeds by multinational corporations?

    <p>Exacerbating socioeconomic inequalities</p> Signup and view all the answers

    What is a significant consequence of poor farming practices like monoculture and excessive use of fertilizers?

    <p>Reducing biodiversity and contributing to soil degradation</p> Signup and view all the answers

    Why is food wastage a significant issue in developed countries?

    <p>Caused by consumer behavior, surplus disposal, and harvesting practices</p> Signup and view all the answers

    What role do genetically modified (GM) crops play in enhancing food security?

    <p>Improving resistance to pests and diseases, and enabling cultivation in diverse environments</p> Signup and view all the answers

    How does monoculture farming impact agricultural systems and long-term food security?

    <p>Leading to pest outbreaks, soil erosion, and reduced resilience to climate variability</p> Signup and view all the answers

    What is the primary focus of food security, according to the World Health Organization?

    <p>Access to safe, nutritious food for a healthy life</p> Signup and view all the answers

    How has the world's population changed from around 1 billion people in the early 1800s to approximately 9 billion by 2020?

    <p>Surged dramatically</p> Signup and view all the answers

    What contributes significantly to issues related to food availability and distribution due to rapid population growth?

    <p>Increased strain on food resources</p> Signup and view all the answers

    Which factor, influenced by climate change and global warming, poses threats to food security by disrupting agricultural activities and damaging crops?

    <p>Droughts and floods</p> Signup and view all the answers

    Why do floods pose a significant threat to food security?

    <p>By spreading diseases and damaging crops</p> Signup and view all the answers

    How do alien invasive plants impact agricultural productivity and water availability?

    <p>By competing with indigenous species and requiring more water than native species</p> Signup and view all the answers

    What is a significant consequence of food wastage globally?

    <p>Exacerbation of food insecurity</p> Signup and view all the answers

    How do genetically engineered foods contribute to food security according to the provided information?

    <p>By enhancing resistance to pests and diseases, increasing yields, and enabling cultivation in unsuitable environments</p> Signup and view all the answers

    What are the consequences of poor farming practices like monoculture and overuse of fertilizers and pesticides?

    <p>Decreased soil fertility</p> Signup and view all the answers

    Why is the loss of wild varieties a concern in terms of food security?

    <p>It compromises the ability of food crops to withstand pests, diseases, and climate extremes</p> Signup and view all the answers

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