Food Labels: Test Your GMO Knowledge
by Staff
Genetically modified foods are a touchy topic. Cloned cows or pigs haven't been approved for public consumption, obviously, but pest-resistant corn can cause its fair share of controversy. How much do you know about genetically modified foods?

When were the first genetically modified foods available in the United States?

  • 1970s
  • 1980s
  • 1990s

What was the first genetically modified food to be sold commercially?

  • corn
  • tomato
  • potato

What is triple-stack corn?

  • corn that has three times the kernels of regular corn
  • corn that has been genetically modified to have extra vitamin C
  • corn that has built-in insect and weed control

What nutrient is golden rice packed with?

  • vitamin A
  • vitamin B
  • vitamin C

Researchers have produced genetically engineered pigs whose meat has elevated levels of what?

  • omega-3 fatty acids
  • protein
  • antioxidants

What is the most commonly genetically modified crop in the United States?

  • soybeans
  • corn
  • apples

According to the USDA, what percentage of the soybeans grown in the United States are genetically modified?

  • 74 percent
  • 89 percent
  • 98 percent

About how many genetically engineered food crops have been approved by the USDA?

  • 15
  • 25
  • 40

What's one way that cheese can be genetically engineered?

  • It can be made "vegetarian."
  • It can be mold-resistant.
  • It can have 20 percent extra protein.

In 2008, a large group of investors led a protest against what genetically engineered crop?

  • sugar beets
  • lettuce
  • broccoli