AEST Ag Assoc Part 4

What is the term for the removal of excess water from the soil surface?

• Irrigation

• Drainage

• Leaching

• Erosion

Which of the following is the most efficient method for controlling invasive plant species?

• Introducing natural predators

• Applying herbicides indiscriminately

• Allowing overgrowth to suppress competition

• Ignoring the problem

Tags

NGSS.MS-LS2-5

What is the primary role of potassium in plant growth?

• Enhancing root development

• Supporting photosynthesis

• Improving disease resistance

• Promoting leaf color

Tags

NGSS.MS-LS2-1

Which type of livestock is known for producing mohair?

• Angora goats

• Merino sheep

• Alpacas

• Dairy goats

What is the most sustainable method of managing weeds in an organic farming system?

• Using synthetic herbicides

• Hand weeding and mulching

• Burning crop residues

• Spraying chemical fertilizers

Tags

NGSS.HS-LS2-7

What is the function of the phloem in plants?

• Transporting water

• Transporting sugars

• Absorbing nutrients

• Supporting the plant structurally

Which of the following crops is classified as a cereal grain?

• Soybean

• Rice

• Cotton

• Sugarcane

What is the primary purpose of the USDA organic certification?

• To increase food exports

• To ensure products are grown without synthetic inputs

• To improve crop yields

• To promote genetically modified crops

Which type of greenhouse gas is primarily produced by livestock operations?

• Carbon dioxide

• Methane

• Nitrous oxide

• Ozone

What is the process of crossbreeding used for in agriculture?

• Reducing genetic diversity

• Increasing disease resistance and desired traits

• Limiting production rates

• Decreasing livestock size

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-5