Biology Forums - Study Force

What is NOT characteristic of a sustainable diet?
 a. It has a low environmental impact.
 b. It does not contribute to food insecurity.
  c. It contributes to economic disparities.
 d. It protects biodiversity and ecosystems.
  e. It optimizes natural and human resources.

Q. 2

Recommendations for conserving and recycling energy include:
 a. burying plant waste in landfills to protect arable land.
 b. purchasing commercial fertilizer for home gardens.
 c. burying cow manure to remove the excess methane from the air.
 d. production of biofuels from plants such as native grasses and algae that use less energy to grow.
  e. employing high-input agricultural techniques.

Q. 3

As consumers we can purchase foods that require a low energy input by:
 a. buying grain-fed rather than grass-fed beef.
 b. purchasing more processed foods.
 c. purchasing frozen corn on the cob rather than fresh corn.
  d. buying legumes and whole grains.
 e. purchasing more animal than plant proteins.

Q. 4

Alternative, sustainable agricultural practices include:
 a. focusing on only a few crop varieties.
 b. using fertilizers generously.
 c. increased marketing of meat from livestock.
 d. subsidizing large-scale farms with industry customers.
  e. alternating crop species.

Q. 5

Farmers who are using genetic engineering to grow pesticide-resistant crops are:
 a. contributing to soil depletion.
 b. wasting irrigation water from run-off.
 c. reducing the use of petroleum and energy.
  d. increasing the nutrient content of foods.
  e. decreasing the nutrient content of foods.

Q. 6

A farmer is growing wheat on rolling hills that have a variety of soil conditions and moisture. He is using computerized equipment to adjust irrigation and fertilizer application to each specific area. This is an example of:
 a. high-input practice.
 b. precision agriculture.
 c. agribusiness.
 d. integrated pest management.
  e. aquaculture.

Q. 7

As agriculture throughout the world improves and standardizes species of plants it is helping to:
 a. destroy the diversity of plant species.
 b. increase production in all parts of the world.
 c. preserve wild species more tolerant to climate changes.
  d. decrease soil erosion.
 e. reduce the need for genetically modified foods.

Q. 8

In the United States, how much cropland is used to produce feed for livestock?
 a. less than what is used to produce grain for people
 b. more than what is used to produce grain for people
 c. more than the size of the whole continent of Africa
 d. less than what is needed to feed all the people of Europe
  e. more than the surface area of all the oceans combined

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