Deck 30: Seed Plants

Question 1

A fruit-bearing dioecious flower would have

A)an androecium.
B)a gynoecium.
C)both an androecium and a gynoecium.
D)neither an androecium nor a gynoecium.

Answer 1

B

Question 2

Pollination and fertilization are essentially the same process.If pollination occurs,fertilization will follow quickly.

Answer 2

False

Question 3

From what are fruits derived?

A)styles
B)ovaries
C)stigmas
D)anthers
E)filaments

Answer 3

B

Question 4

Pollen comes from the

A)carpel.
B)petal.
C)stigma.
D)anther.
E)style.

Question 5

Double fertilization produces a ________ embryo and a ________ endosperm.

A)haploid; diploid
B)diploid; haploid
C)diploid; triploid
D)triploid; diploid
E)haploid; triploid

Question 6

Germination inhibitors that must be digested by acids in order to be removed help to ensure the seed will be dispersed with some fertilizer.

Question 7

Based on the outcome for plants,a monkey eating a banana is a

A)pollinator.
B)fertilizer.
C)disperser.
D)parasite.

Question 8

Children in the Southeastern United States play with red maple fruits (Acer rubrum).The fruits are tossed in the air and spin back to the ground,acting like small helicopters.Which part of the fruit allows for this?

A)The pericarp
B)The integument
C)The endosperm
D)The ovule

Question 9

As the endosperm matures it swells and eventually becomes the fruit.

Question 10

After fertilization the zygote continuously develops until an embryonic plant is formed within the seed.

Question 11

Double fertilization occurs when

A)the sperm and tube nuclei fertilize the egg.
B)two sperm cells fertilize the two polar nuclei.
C)one sperm fuses with the egg and the other sperm fuses with both polar nuclei.
D)the polar nuclei fuse with the egg after it has fused with the sperm.

Question 12

Drupes have multiple seeds and fused carpels.

Question 13

Ephedrine is a stimulant that is derived from a member of the phylum

A)Hepaticophyta.
B)Gnetophyta.
C)Pterophyta.
D)Cycadophyta.

Question 14

What is the function of the generative cell in conifers?

A)Growth of the megaspore
B)Dispersal of the pollen
C)Production of the archegonium
D)Formation of the sperm
E)Maturation of the female cone

Question 15

The breakdown of antipodals

A)is a normal part of development in the ovule.
B)would result in a seed without a seed coat.
C)would produce an ovule with no egg cell.
D)would cause a failure in endosperm development.

Question 16

The mature male gametophyte is produced

A)in the anther.
B)within the pollen granule during transfer.
C)when the pollen makes contact with the stigma.
D)in the pollen tube when the generative cell divides.
E)within the ovule just prior to fertilization.

Question 17

Are any of these vegetables actually fruit?

A)Sugar beets
B)Corn
C)Carrots
D)Celery
E)All of these are vegetables,none of them are fruit.

Question 18

Antipodals and synergids are

A)produced in the female gametophyte.
B)the result of double fertilization.
C)what will fuse to form the endosperm.
D)responsible for pollen tube formation.
E)nonfunctional vestigal structures.

Question 19

Petals

A)protect the developing flower.
B)enclose and protect the ovule.
C)produce pollen.
D)are part of the gametophyte.
E)attract pollinators.

Question 20

A botanist examines two plants.Plant A has large colorful petals; plant B has extremely tiny white flowers.Which one is most likely animal pollinated?

A)Plant A
B)Plant B

Question 21

Pollen tubes

A)transport pollen to the stigma.
B)facilitate the growth of pollen.
C)package sperm into pollen granules.
D)allow sperm to fertilize the egg.
E)are present during spermatogenesis.

Question 22

All gymnosperms have needle-like leaves and produce some type of resin.

Question 23

In seed plants the entire male gametophyte is transported to the female.

Question 24

Why is external water not essential for fertilization in seed plants?

A)The sperm cells in seed plants are capable of resisting desiccation.
B)Seed plants use pollen instead of sperm for fertilization.
C)Pollen grains are transported by wind or an animal.
D)Sperm cells are used to transport pollen to the archegonia.
E)Ovules are contained within the pollen.

Question 25

The seed coat is formed by the hardening of the

A)ovule.
B)integument.
C)endosperm.
D)embryo.
E)prothallus.

Question 26

Due to their pinnately compound leaves,tropical habitat,and overall appearance members of which phylum are often thought of as a type of palm?

A)Coniferophyta
B)Gentophyta
C)Cycadophyta
D)Ginkophyta

Question 27

Why can corn seeds germinate in total darkness?

A)The seed coating absorbs water.
B)Seeds are heterotrophic and can capture nutrients from the soil.
C)The endosperm provides the embryo with the nutrition needed during the initial germination stages.
D)Soil microbes degrade the seed coating allowing the seed to germinate.

Question 28

Old pine stumps are dug up,split into pieces and sold as "fatwood." Fatwood is used as a fire starter.Why is this done?

A)The wood in the stumps is porous and dry,thus it burns easily.
B)The high concentration of volatile organic compounds makes the wood flammable.
C)Pine bark does not absorb water and is flammable.

Question 29

Why aren't ferns commonly found in deserts?

A)Fern fronds are sensitive to UV light.
B)Fern spores are unable to resist prolonged dry conditions.
C)Ferns are nonvascular and cannot absorb water from deep within the soil.
D)Fern pollen is spread by insects that do not occur in deserts.

Question 30

Why are conifers and cycads considered gymnosperms?

A)They have true vascular tissue but do not form seeds.
B)The female gametophyte is not completely enclosed in sporophyte tissue at the time of pollination.
C)The fruit is not fleshy.
D)The pollen is wind-dispersed.
E)Pollination and fertilization occur at different times.

Question 31

Which part of the seed is responsible for providing nutrition to the embryo?

A)Integument
B)Endosperm
C)Cotelydons
D)Seed coat
E)Procambium

Question 32

What happens to the ovary after fertilization in angiosperms?

A)It dies.
B)It forms the seed coat.
C)It becomes food for the embryo inside the seed.
D)It becomes the fruit.

Question 33

What does it mean if a plant is dioecious?

A)There is double fertilization of the embryo.
B)Pollination and fertilization are separate events.
C)There are separate male and female sporophytes.
D)The sporophyte and the gametophyte are on the same plant.

Question 34

In seed plants the sporophyte has been greatly reduced in size and is typically just a few cells.

Question 35

A researcher brings a sample of dry soil to the lab,wets it,provides ample amounts of fertilizer,and places the soil in a container in a greenhouse.Which type of plant would be least likely to emerge?

A)Pine seedling
B)Sunflower
C)Corn
D)Wheat
E)Liverwort

Question 36

What is the function of pine resins?

A)transportation of sucrose to the roots
B)reduction of fungal and insect parasitism
C)triggering of seed maturation
D)aiding in pollen dispersal