A plant with a species name macrophylla could be expected to have ________________.

• small leaves

• large leaves

• small flowers

• large flowers

The ________________ are crescent shaped and are responsible for opening the stoma.

• lenticels

• vascular bundles

• receptacles

• guard cells

The green leaflike parts of the flower that cover and protect the flower bud before it opens are called ____________.

• stigmas

• stamens

• petals

• sepals

Which part of the plant is least affected by temperature changes that occur during the change of seasons?

• Roots

• Stems

• Leaves

• Flowers

Plants require at least ___ minor and major elements from the soil or from fertilizers.

• 3

• 4

• 17

• 29

________________ is highly soluble, is quickly available, tends to reduce soil acidity, and contains 16 percent nitrogen.

• Ammonium sulfate, (NH₄)₂SO₄

• Urea, CO(NH₂)₂

• Potassium nitrate, KNO₃

• Calcium nitrate, Ca(NO₃)₂

Which method of propagation allows for the quick production of thousands of plants exactly like the parent plant?

• Seeds

• Tissue culture

• Separation and division

• Cuttings

______________ should be present on seedlings before transplanting.

• True leaves

• Cotyledons

• Roots

• Flowers

A pesticide that kills only certain types of plants is called ________________.

• selective herbicide

• broad-spectrum herbicide

• insecticide

• fungicide

Flowering or foliage plants of various types (bulbs, tubers, etc.) that have a lifespan of more than one to two years are known as ________________.

• perennials

• annuals

• biennials

• ephemerals