Question 1

What does it mean if a plant is dioecious?

Accepted Answer

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.E) B) and D)
F) B) and C)

Question 2

Pollen comes from the

Accepted Answer

A)  carpel.
B)  petal.
C)  stigma.
D)  anther.
E)  style.F) B) and D)
G) None of the above

Question 3

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

Accepted Answer

A) True 
 B)False

Question 4

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

Accepted Answer

A) True 
 B)False

Question 5

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

Accepted Answer

A) True 
 B)False

Question 6

What is the function of pine resins?

Accepted Answer

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

Question 7

Why can corn seeds germinate in total darkness?

Accepted Answer

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.E) All of the above
F) None of the above

Question 8

Why aren't ferns commonly found in deserts?

Accepted Answer

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.E) A) and C)
F) All of the above B

Question 9

Double fertilization produces a ________ embryo and a ________ endosperm.

Accepted Answer

A)  haploid; diploid
B)  diploid; haploid
C)  diploid; triploid
D)  triploid; diploid
E)  haploid; triploidF) B) and D)
G) A) and B)

Question 10

Petals

Accepted Answer

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

Question 11

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?

Accepted Answer

A)  Plant A
B)  Plant BC) A) and B)
D) undefined A

Question 12

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

Accepted Answer

A)  Integument
B)  Endosperm
C)  Cotelydons
D)  Seed coat
E)  ProcambiumF) D) and E)
G) A) and E)

Question 13

Pollen tubes

Accepted Answer

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.F) C) and D)
G) B) and D) D

Question 14

The mature male gametophyte is produced

Accepted Answer

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.F) C) and E)
G) A) and B)

Question 15

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

Accepted Answer

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.D) None of the above
E) A) and B)

Question 16

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

Accepted Answer

A) True 
 B)False

Question 17

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

Accepted Answer

A) True 
 B)False

Question 18

A fruit-bearing dioecious flower would have

Accepted Answer

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

Question 19

What is the function of the generative cell in conifers?

Accepted Answer

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 coneF) A) and E)
G) C) and D)

Question 20

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

Accepted Answer

A)  Coniferophyta
B)  Gentophyta
C)  Cycadophyta
D)  GinkophytaE) A) and D)
F) A) and C)

Exam 30: Seed Plants

What does it mean if a plant is dioecious?

Correct AnswerverifiedShow Answer

Pollen comes from the

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

What is the function of pine resins?

Correct AnswerverifiedShow Answer

Why can corn seeds germinate in total darkness?

Correct AnswerverifiedShow Answer

Why aren't ferns commonly found in deserts?

Correct AnswerverifiedB

Double fertilization produces a ________ embryo and a ________ endosperm.

Correct AnswerverifiedShow Answer

Petals

Correct AnswerverifiedShow Answer

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?

Correct AnswerverifiedA

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

Correct AnswerverifiedShow Answer

Pollen tubes

Correct AnswerverifiedD

The mature male gametophyte is produced

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

A fruit-bearing dioecious flower would have

Correct AnswerverifiedShow Answer

What is the function of the generative cell in conifers?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
B

Double fertilization produces a embryo and a endosperm.

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
A

Correct Answer
verified

Correct Answer
verified
D

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified