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 (C)</p> Signup and view all the answers

Why is achieving food security challenging according to the text?

<p>Population growth (A)</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 (D)</p> Signup and view all the answers

How does climate change affect food security?

<p>Leading to more severe droughts and floods (D)</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. (B)</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. (A)</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. (D)</p> Signup and view all the answers

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

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

How do poor farming practices contribute to environmental pollution?

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

What is a consequence of excessive food wastage globally?

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

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

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

Which factor has surged dramatically over the past few centuries?

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

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

<p>Floods (C)</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 (B)</p> Signup and view all the answers

How do droughts impact food security?

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

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

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

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

<p>Spread of diseases (D)</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 (A)</p> Signup and view all the answers

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

<p>Worsened food insecurity (A)</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 (D)</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 (A)</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 (B)</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 (B)</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 (D)</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 (B)</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 (D)</p> Signup and view all the answers

How does climate change influence food security through droughts?

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

What impact do floods have on food security?

<p>Damaging crops (D)</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 (C)</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 (D)</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 (C)</p> Signup and view all the answers

What are the consequences of droughts on food security?

<p>Reducing food availability (C)</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 (C)</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 (D)</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 (A)</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 (D)</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 (D)</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 (B)</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 (B)</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 (C)</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 (B)</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 (B)</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 (D)</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 (D)</p> Signup and view all the answers

Why do floods pose a significant threat to food security?

<p>By spreading diseases and damaging crops (C)</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 (A)</p> Signup and view all the answers

What is a significant consequence of food wastage globally?

<p>Exacerbation of food insecurity (C)</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 (B)</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 (D)</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 (D)</p> Signup and view all the answers

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