Environmental Impacts on Agriculture

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Questions and Answers

What is the narrow conceptualization of agriculture in terms of?

  • Environmental engineering and habitat disruption
  • Global warming and heavy rainfall
  • Soil health and water quality
  • Specific combinations of activities and organisms (correct)

What is the greatest threat to species and ecosystems when farming is not practiced sustainably?

  • Farming without care (correct)
  • Farming itself
  • Farming operations
  • Agricultural pollution

What is the importance of riverbank protection in agricultural practices?

  • To prevent soil erosion
  • To prevent global warming
  • To prevent waterway contamination
  • To prevent impairment of aquatic environments (correct)

What is the consequence of using non-selective pesticides in agriculture?

<p>Fish kills and contamination of drinking water (C)</p> Signup and view all the answers

What is the role of humans in agriculture according to the holistic perspective?

<p>Environmental engineers (D)</p> Signup and view all the answers

What is the benefit of sustainably managed farming operations?

<p>It preserves and restores critical habitats (D)</p> Signup and view all the answers

What is the main goal of regulating pesticide use in agricultural environments?

<p>To minimize environmental harm (B)</p> Signup and view all the answers

What are the major export items of the Philippines?

<p>Sugarcane, palay, coconut, and bananas (C)</p> Signup and view all the answers

What are some sources of fertilizers used in agriculture?

<p>Farm origin, commercial suppliers, and industrial activities (D)</p> Signup and view all the answers

What has contributed to the decline in the export value of the Philippines' fisheries products?

<p>Fluctuations in output volume and climate change (C)</p> Signup and view all the answers

What is a major cause of wasteful water consumption in agriculture?

<p>Leaky irrigation systems and inefficient field application methods (B)</p> Signup and view all the answers

What percentage of the 30 million hectares of land in the Philippines is used for agriculture?

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

What is a major contributor to greenhouse gas emissions in agriculture?

<p>Fertilizer use and livestock (D)</p> Signup and view all the answers

What is a challenge faced by the agricultural sector in the Philippines due to its geographical location?

<p>Floods and drought (D)</p> Signup and view all the answers

What is a consequence of the wide use of genetically uniform modern crop varieties?

<p>Reduced genetic diversity and potential to adapt to changing conditions (D)</p> Signup and view all the answers

What is needed to diversify and transform the Philippines' agricultural output?

<p>Investments in technology and innovation, as well as enhanced production assistance and improved regulations (A)</p> Signup and view all the answers

What has the government implemented to reduce greenhouse gas emissions in agriculture?

<p>Financial assistance programs for farmers (A)</p> Signup and view all the answers

What has been a significant factor in the slow growth of the agricultural sector in the Philippines?

<p>The conversion of arable land into residential subdivisions, industrial parks, and resorts (C)</p> Signup and view all the answers

What is the approximate equivalent of aquaculture in terms of agriculture?

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

Which of the following is NOT a potential impact of aquaculture on the environment?

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

What is a consequence of the escape of cultured species into the wild?

<p>Decreased fitness of offspring (C)</p> Signup and view all the answers

Since when has aquaculture assumed commercial importance?

<p>Mid-20th century (C)</p> Signup and view all the answers

What is a problem associated with the collection of wild juveniles as stock?

<p>Overexploitation of wild stocks (A)</p> Signup and view all the answers

What is a consequence of pumping groundwater to supply freshwater to marine fish farms?

<p>Salinization of local water supplies (A)</p> Signup and view all the answers

What is the primary environmental harm caused by agriculture in the tropics?

<p>Deforestation for farmland (A)</p> Signup and view all the answers

What is the main goal of Step One in solving the world's food problem?

<p>Avoid further deforestation and habitat destruction (B)</p> Signup and view all the answers

What is the main focus of Step Two in increasing food availability?

<p>Increasing yields on less productive farmlands in Africa, Latin America, and Eastern Europe (C)</p> Signup and view all the answers

What is the primary purpose of clearing land for agriculture in the tropics?

<p>Producing cattle, soybeans for livestock, timber, and palm oil (B)</p> Signup and view all the answers

What is the expected outcome of implementing precision farming systems in Africa, Latin America, and Eastern Europe?

<p>Boosting yields several times over (C)</p> Signup and view all the answers

What is the primary challenge in increasing food availability while reducing environmental harm?

<p>Balancing food production with environmental protection (C)</p> Signup and view all the answers

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