Quiz Agriculture 9.1.7

Which of the following is a crop?

• cattle

• lettuce

• eggs

• sheep

What process on the farms allows the crops to capture carbon and turn it into food?

• cellular respiration

• combustion

• decay

• photosynthesis

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

What benefit does agriculture provide to humans?

• Farms use land that was once occupied by unwanted forests.

• Farm machinery produces greenhouse gases that contribute to climate change.

• Agriculture produces most of the food that humans eat.

• Framing practices cause local waterways to become polluted with fertilizer runoff.

What term describes the farming practice of planting large areas with the same crop?

• nitrogen cycle

• monoculture

• food processing

• runoff

Which part of the model represents nitrogen fixation?

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-1

Match each statement to the stage of the nitrogen cycle it describes.

• Nitrogen gas is converted into nitrate.

• uptake

• Dead organisms break down to small piece

• nitrogen fixation

• Plant absorb nitrate & change to protein

• decomposition

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NGSS.MS-LS2-3

Why do commercial fertilizers contain nitrate instead of pure nitrogen?

• Nitrate is less expensive to produce than pure nitrogen.

• Pure nitrogen is a pollutant in the atmosphere.

• Pure nitrogen is a poison to living things.

• Nitrate is the form of nitrogen that plants can use.

Tags

NGSS.MS-LS2-1

A bag of fertilizer contains the numbers 15-10-5 on the label.

What percent of the fertilizer is nitrogen?

• 5%

• 10%

• 15%

• 30%

How do fertilizers affect the nitrogen cycle in ecosystems?

• Fertilizers prevent plants from creating protein.

• Nitrate from crops cause populations of decomposers to get too large.

• Excess nitrate enters waterways causing algal blooms.

• Fertilizers remove too much nitrogen gas from the atmosphere.

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

Look at the model of the modern food supply chain below. Which part of the diagram represents an area where food is kept before it is sold to stores?