3.01

Most cool-season grasses grow very little during the hottest months of summer. What is this condition called?

• Dead

• Dormant

• Turgid

• Wilted

Trees that keep their functional leaves throughout the year are:

• Auxins

• Deciduous

• Evergreen

• Inhibitors

Because trees live many years, they are:

• Annuals

• Biennials

• Perennials

• Semiannuals

Marigolds and other warm-season plants grow best during:

• early spring

• late fall

• midsummer

• midwinter

In North Carolina, a tree that has no leaves in the winter is:

• deciduous

• evergreen

• herbaceous

• turgid

Plants that take three or more years to complete their life cycle are:

• annuals

• biennials

• millenniums

• perennials

The terms annual, biennial, and perennial describe plant:

• leaf loss

• life cycle

• production practices

• root type

As part of regular biological processes, a deciduous tree:

• dies each year in the winter

• drops its functional leaves in the dormant season.

• keeps its functional leaves in the dormant season.

• remains green all the year.

Annual plants complete their life cycle in:

• one year

• two years

• three years

• ten years

Plants that complete their life cycles in two years are:

• annuals

• biennials

• centennials

• perennials