The Impact of Corn on Agriculture and Society Throughout History

Corn, primarily Yellow Dent #2, dominates global agriculture, originating from Mesoamerica. It spread to Europe after initial resistance and became standardized in the US. Technological advances and policy changes in the 20th century boosted production, leading to diverse industrial uses. However, this success has environmental and health consequences, raising concerns about sustainability.

What percentage of global crop production is accounted for by corn?

• 5%

• 10%

• 20%

• 15%

What was the original plant from which corn was domesticated?

• Wheat

• Rice

• Barley

• Teosinte

Which goddess was revered by indigenous societies in relation to maize?

• Earth Mother

• Sun Goddess

• Rain Goddess

• Corn Mother

Why did early European settlers in America initially reject maize?

• It was too expensive

• It was difficult to grow

• It was considered strange

• It was not nutritious

What was a major reason for the standardization of corn varieties in the 1850s?

• To resist pests

• To facilitate trade

• To increase yield

• To improve taste

What technological advancement post-WWII significantly reduced the time needed to harvest corn?

• Genetic modification

• Mechanized harvesters

• Chemical pesticides

• Irrigation systems

What policy change in 1972 led to a surge in corn production?

• Ban on other crops

• Introduction of subsidies

• Removal of growth limitations

• Increase in export tariffs

What is a common use of cornstarch in industries?

• As a pesticide

• As a fertilizer

• As a thickening agent

• As a fuel

What environmental issue is associated with the use of ammonium nitrate in cornfields?

• Deforestation

• Soil erosion

• Air pollution

• Water pollution

What health concern is linked to the use of high fructose corn syrup?

• Heart disease

• Diabetes and obesity

• Cancer

• Liver damage