How many nutrients are required for optimum plant growth?

• 10

• 16

• 19

• 21

Stem cuttings is a form of assexual reproduction.

• True

• False

Sexual reproduction of plants is accomplished by using seeds.

• True

• False

What is the by-product of phototsynthesis necessary for humans?

• Carbon Dioxide

• Nitrogen

• Oxygen

• Water Vapor

What does the second number in a fertilizer analysis represent?

• Nitrogen

• Potassium

• Phosphorus

• Sulfur

What type of pesticide kills certain weeds?

• insecticide

• herbicide

• rodenticide

• selective herbicide

What is the production of plants for beauty and a pleasing environment called

• Olericulture

• Pomology

• Ornamental horticulture

• Agronomy

What type of crops are considered agronomic crops or field crops?

• green beans, squash

• cotton, soybeans

• periwinkles, marigolds

• blueberries, strawberries

Which part of the leaf attaches it to the plant stem?

• edge

• margin

• apex

• petiole

Which is the opening in the leaf that allows for the exchange of gases?

• chloroplast

• dermis

• cuticle

• stoma