S2 Hort II Unit 4.00 Test

A tropical plant with a glossy, green, scalloped leaf that has a long-lasting flower is most likely a/an:

• Christmas cactus.

• wax plant.

• emerald-ripple peperomia.

• kalanchoe.

Which plant is used for its variegated green and yellowish-white leaves?

• Arrowhead vine

• Evergreen candytuft

• Snapdragon

• Zinnia

Which tropical plant has a flower similar to a lily?

• Amaryllis

• Croton

• Snapdragon

• Zinnia

The leaves on a gladiolus plant are:

• shaped like palm trees.

• shaped like swords.

• variegated green and yellow.

• velvety textured and quilted.

A plant that has spikes with florets and is used to make floral arrangements is a/an:

• A plant that has spikes with florets and is used to make floral arrangements is a/an:

• gladiolus.

• parlor palm.

• zinnia.

How many "1020-flats" can fit on a 10' X 6' table if the flat is 10" W X 20" L?

• 22

• 32

• 43

• 52

When seedlings in a greenhouse have plant parts missing or holes in the leaves, there is a problem most likely with:

• greenhouse exhaust.

• germination.

• pests.

• spindly growth.

The environmental factor Jason is trying to change when he adjusts the greenhouse thermostat is:

• carbon dioxide.

• light.

• temperature.

• water.

What is most likely the problem when bedding plants have long, thin stems?

• Disease

• Germination

• Spindly growth

• Uneven growth

Which method is Gerrard using when he plants his cucumber seeds straight into the soil?

• Indirect sowing

• Direct sowing

• Transplanting

• Deadheading