Deck 31: Seed Plants

Question 1

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

Answer 1

False

Question 2

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.

Answer 2

A

Question 3

Double fertilization produces a ___________ embryo and a _________ endosperm.

A)haploid, diploid
B)diploid, haploid
C)diploid, triploid
D)triploid, diploid

Answer 3

C

Question 4

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

Question 5

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 6

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

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

Question 7

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 8

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.

Question 9

Drupes have multiple seeds and fused carpels.

Question 10

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.

Question 11

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 12

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

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

Question 13

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

Question 14

Are any of these vegetables actually fruit?

A)Sugar beets
B)Corn
C)Carrots
D)Celery

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

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

Question 17

From what are fruits derived?

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

Question 18

Pollen comes from the

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

Question 19

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.

Question 20

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 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.

Question 22

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

Question 23

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

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

Question 24

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 non-vascular and cannot absorb water from deep within the soil.
D)Fern pollen is spread by insects that do not occur in deserts.

Question 25

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 26

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 27

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 28

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

Question 29

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 30

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 31

Why are conifers and cycads considered gymnosperms?rev: 03_26_2015_QC_CS-11824

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.

Question 32

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

Question 33

The seed coat is formed by the hardening of the

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

Question 34

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