Chapter 24 The Green Machine: Seed Plants (angiosperms)

The most diverse group of plants is the a. seedless vascular plants b. gymnosperms c. angiosperms d. nonvascular plants

C. angiosperms

What differentiates dicots from monocots a. Number of cotyledons. b. Venation of leaves. c. Arrangement of vascular bundles. d. All of the above.

D. All of the above

Pollen from the basal dicot is a. monosulcate b. tricolpate c. same type as found in monocots d. A and C.

a. Monosulcate

Name this structure found in grasses. a. Pedicel. b. Glume. c. Lodicule. d. Peduncle.

a. Pedicel.

Angiosperms vary greatly in form and means of obtaining nutrients. They can be _____. a. autotrophs b. parasitic c. saprophytic d. A and B e. all of the above

a. autotrophs

When you peel an orange, you are removing the _____. a. exocarp b. mesocarp c. endocarp d. pericarp

a. exocarp

Flowers and fruit on an inflorescence are attached to the plant by _____. a. a peduncle b. a placenta c. a sepal d. a pedicel

a. peduncle

A structure derived from the ovary of a plant and its accessory tissue is a a. vegetable b. fruit c. flower d. seed

b. Fruit

During pollination of the grasses, the tube cell develops into the a. ovule b. pollen tube c. sperm cells d. endosperm

b. Pollen tube

What structures produced by plants have ensured the success of both gymnosperms and angiosperms? a. Spores. b. Seeds. c. Leaves. d. Fruits.

b. Seeds

Using a pointed instrument, you can remove the pollen of a flower from the _____. a. petal b. anther c. pedicel d. sepal

b. anther

Which of the following has multiple carpels? a. Peach. b. Coconut. c. Lemon. d. Peanut

b. coconuts

Which of the following statements is true? a. Both gymnosperms and angiosperms produce fruit. b. Fruits are the mature ovary of angiosperms. c. The purpose of vegetables is to protect and aid in the dissemination of seeds. d. The edible part of vegetables is derived from leaves and roots but not flowers.

b. fruits are mature ovary of angiosperms

A plant that has __________ would be classified as a monocot a. two cotyledons b. three flower parts c. tricolpate pollen d. netted leaf venation

b. three flower parts

Because American holly has male plants and female plants it as an example of a. a perfect flower b. an imperfect flower c. a complete flower d. an incomplete flower

c. A complete flower

Fruit development is accelerated by which of the following a. Endocarp. b. Exocarp. c. Ethylene gas. d. Sepal.

c. Ethylene gas

A dandelion possesses which of the following? a. Pistils only. b. Stamens only. c. Pistils and stamens. d. Petals only.

c. Pistils and stamens

What happens when an anther ruptures a. The pollen tube moves down the style. b. Fertilization occurs. c. Pollen grains are released. d. The seed head cannot repair.

c. Pollen grains are released.

In order to be classified as an inflorescence, a plant must a. lack petals b. have inconspicuous petals c. have clusters of flowers d. have solitary flowers

c. have clusters of flowers

If the calyx and corolla are positioned below the ovary, the flower is ____ and the ovary is _____. a. epigynous, superior b. epigynous, inferior c. hypogynous, superior d. hypogynous, inferior

c. hypogynous; superior

When a cotyledon emerges from the soil, it means that _____. a. the fruit has developed b. flowers have emerged c. the seed has germinated d. true leaves have emerged

c. the seed has germinated

What could break the dormancy of a seed to initiate germination? a. Passing through the digestive tract. b. Microbial activity. c. Water. d. A, B, and C. e. A and B.

c. water

How long can it take flowering plants to cycle from germination to maturity a. Weeks. b. Months. c. Years. d. All of the above.

d. All of the above

The pericarp of a fruit contains which region? a. Exocarp. b. Endocarp. c. Mesocarp. d. All of the above.

d. All of the above

The sporophyte generation is dominant in the life cycle of which of the following plants? a. Tulip. b. Water lily. c. Orchid. d. All of the above.

d. All of the above

Which of the following is an example of a samara? a. Sunflower. b. Maple. c. Ash. d. B and C.

d. B and C

Name the structure shown here a. Cotyledon. b. Plumule. c. Radicle. d. Hypocotyl.

d. Hypocotyl.

If you cut the peduncle of a grass, the seed head _____. a. can repair itself b. develops into a one-seeded grain c. develops florets d. is destroyed

d. is destroyed

A vegetable is an edible part of a plant derived from ________. a. petioles b. leaves c. roots d. flowers e. all of the above

e. All of the above

The parts of a flower in eudicots are typically arranged in multiples of a. two b. four c. five d. A and B e. B and C

e. B and C