5.4 Feeding the World

5.4 Feeding the World

Multiple Choice

__________ farmers protect the environment by managing their farms in a responsible manner, respecting the earth

• Sustainable

• Industrial

Multiple Choice

Organic farmers are prohibited from using ___________?

• Fertilizers

• Pesticides

• Growth Hormones

• Antibiotics

• All are prohibited by organic farmers

Multiple Choice

A farmer plants corn in a field one year, cotton in the same field the following year, and then corn again. This farmer is practicing ---

• subsistence agriculture

• commercial farming

• crop rotation

• slash-and-burn agriculture

• shifting cultivation

Multiple Choice

Watershed ponds and levees are the primary facilities used to produce:

• aquaculture crops.

• aquaponic crops.

• lily pads.

• tadpoles.

Multiple Choice

What would you expect to find if the dissolved oxygen level in a recirculating tanks dropped below 3.0 ppm?

• broken pump

• cloudy water

• dead fish

• discolored fish

Multiple Choice

What are genetically modified (GM) organisms and GM foods?

• Foods with higher quantities
• Organisms with more fur
• Foods or organiisms with DNA modified in a way that doesn't occur naturally
• Food and organisms that have been injected with hormones

Multiple Choice

What does monoculture mean?

• A game to acquire as much money and property as possible

• The growing of multiple crops in one particular area

• The growing of multiple types of animals in one particular area

• The growing of a single crop in one particular area

Multiple Choice

The use of synthetic fertilizers can increase crop yield, but also

• destroy nitrifying bacteria in the soil
• increase nutrient runoff into nearby surface waters
• slow the release of organic nutrients from compost
• increase fish populations in nearby streams

Multiple Select

No Till/Minimum Till Farming..... (Hint: There are 2 answers here!)

• Uses more water resources

• Improves the soil quality

• Improves root systems of plants

• Uses a lot of fertiliser, seeds and ploughing