Deck 22: Reproduction and Development of Flowering Plants

Question 1

In all major groups of multicellular organisms _______________ produces the cells that begin the haploid generation,and _________________ unites the gametes to begin the diploid generation.

A)mitosis;pollination
B)meiosis;fertilization
C)pollination;fertilization
D)fertilization;meiosis
E)fertilization;mitosis

Answer 1

B
Explanation: Sex cells,sperm and egg,are always haploid in the normal case.Please see section 22.2 for more information.

Question 2

If you saw a florist shop with a name that meant "sepals and petals," you would expect the first word in the name to refer to the

A)stamen.
B)stigma.
C)calyx.
D)carpel.
E)corolla.

Answer 2

C
Explanation: The calyx lies to the outside of the corolla and protects more inward parts of the flower.Please see section 22.2 for more information.

Question 3

The flower whorl that produces female gametophytes contains at least one

A)carpel.
B)calyx.
C)stamen.
D)stigma.
E)corolla.

Answer 3

A
Explanation: Female gametophytes are found in the ovules on the inside surface of carpels.Please see section 22.2 for more information.

Question 4

A sweet substance used by many angiosperms to lure pollinators is

A)pollen.
B)honey.
C)"honey dew."
D)phloem sap.
E)nectar.

Question 5

The portion of a flower that receives the pollen is the

A)style.
B)anther.
C)ovary.
D)stigma.
E)sepal.

Question 6

The egg-bearing structure of a flower is the

A)stigmA.
B)ovary.
C)style.
D)anther.
E)sepal.

Question 7

Where are microspores produced in a flower?

A)anther
B)corolla
C)sepal
D)ovule
E)stigma

Question 8

Whorl four of a flower is made up of

A)the male reproductive parts of a flower.
B)the sepals.
C)the petals.
D)the female reproductive parts of a flower.
E)the stem region.

Question 9

Whorl three of a flower is made up of

A)the female reproductive parts of a flower.
B)the male reproductive parts of a flower.
C)the sepals.
D)the petals.
E)the stem region.

Question 10

The sporophyte generation of a plant is _________________ and produces ___________________ spores.

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

Question 11

Whorl one,the outermost whorl of a flower,is made up of

A)the female reproductive parts of a flower.
B)the male reproductive parts of a flower.
C)the sepals.
D)the petals.
E)the stem region.

Question 12

Male gametophytes are made in each

A)stamen.
B)calyx.
C)stigma.
D)carpel.
E)corolla.

Question 13

The number of similar anatomical parts called whorls that make up a flower is

A)one.
B)two.
C)three.
D)four.
E)fivE.

Question 14

If your grandmother gave you two plants and told you that they were clones of another plant,you would know that they were

A)offspring that are produced sexually and are genetically identical to their parent.
B)offspring that are genetically identical to their parent only.
C)produced by asexual reproduction only.
D)offspring that are produced asexually and are genetically identical to their parent.
E)produced by sexual reproduction only.

Question 15

If asked to place a label in the pollen-producing part of a flower,you would put the label on the

A)stigmA.
B)style.
C)ovary.
D)sepal.
E)anther.

Question 16

Angiosperms owe their widespread distribution to their production of pollen,seeds and flowers.What is the greatest advantage to the production of seeds?

A)It allows fertilization in the absence of water.
B)It protects and nourishes the embryo.
C)It is necessary for sexual reproduction.
D)It allows fertilization in moist areas.
E)It promotes pollination.

Question 17

Angiosperms owe their widespread distribution to their production of pollen,seeds,and flowers.What is the greatest advantage to the production of pollen?

A)It allows fertilization in the absence of water.
B)It is necessary for sexual reproduction.
C)It allows fertilization in moist areas.
D)It promotes pollination.
E)It protects and nourishes the embryo.

Question 18

If you saw a florist shop with a name that meant "sepals and petals," you would expect the second part of the name to refer to the

A)calyx.
B)stamen.
C)stigma.
D)carpel.
E)corolla.

Question 19

If you were working for a florist and were asked to not damage the showiest parts of the flowers while working on them,you would know that you were asked to be careful with

A)the petals.
B)the female reproductive parts of a flower.
C)the male reproductive parts of a flower.
D)the sepals.
E)the stem region.

Question 20

Angiosperms owe their widespread distribution to their production of pollen,seeds and flowers.What is the greatest advantage to the production of flowers?

A)It allows fertilization in the absence of water.
B)It is necessary for sexual reproduction.
C)It promotes pollination.
D)It allows fertilization in moist areas.
E)It protects and nourishes the embryo.

Question 21

If you were given a bumpy fruit that clearly had one set of sepals around it and the bumps in which were the result of individual carpels having fused back to themselves,what kind of fruit would you have?

A)simple
B)aggregate
C)double
D)axillary
E)multiple

Question 22

You plant a seed in a pot containing soil,and then add water and place the pot under a light.After the seedling emerged,complete with two green leaves,the carbon dioxide levels decreased in the closed chamber.The developing seedling was using which of the following as a source of energy during this time?

A)water from the soil
B)starch from the seed
C)sugars from the soil
D)nutrients from the soil
E)light

Question 23

In plants,molecules that perceive the quality and quantity of light are

A)chemoreceptors.
B)photoreceptors.
C)mechanoreceptors.
D)pressure receptors.
E)gradient receptors.

Question 24

A directional response to touch exhibited by plants is called

A)thigmotropism.
B)gravitropism.
C)phototropism.
D)organotropism.
E)chemotropism.

Question 25

The plant hormone that triggers the withering of petals and stamens and promotes fruit ripening is

A)abscisic acid.
B)cytokinin.
C)gibberellin.
D)auxin.
E)ethylenE.

Question 26

You plant a seed in a pot containing soil,and then add water and place the pot under a light.After the seedling emerged,complete with two green leaves,the carbon dioxide levels decreased in the closed chamber.This indicated that _________ was occurring.

A)photosynthesis
B)cellular respiration
C)sucrose production
D)alcohol fermentation
E)fertilization

Question 27

The main pollinators of flowers that are easy to locate at night are

A)beetles.
B)birds.
C)bats and moths.
D)bees.
E)flies.

Question 28

Where is the energy stored in a fertilized angiosperm?

A)endosperm
B)stigma
C)zygote
D)pollen
E)egg

Question 29

You are given a sample of an ingredient,made from seeds,used for cooking.The sample,when tested,proves to have three copies of each chromosome per cells.You have been given

A)endosperm.
B)endoderm.
C)mesosperm.
D)mesoderm.
E)microsporE.

Question 30

If you examined a pea pod carefully,you would see that it was the result of one carpel.That would make it what kind of fruit?

A)simple
B)double
C)aggregate
D)axillary
E)multiple

Question 31

The main pollinators of red flowers are

A)beetles.
B)bees.
C)birds.
D)moths.
E)bats.

Question 32

If asked to extract DNA from the megaspores of an apple flower,what part would you select?

A)anther
B)ovule
C)corolla
D)sepal
E)stigma

Question 33

A(n)______ is a chemical synthesized in small quantities in one part of an organism and transported to another,where a target cell is affected.

A)enzyme
B)megaspore
C)microspore
D)hormone
E)gametophyte

Question 34

You plant a seed in a pot containing soil,and then add water and place the pot under a light.In the first week,before the seedling even emerged from the soil,carbon dioxide levels increased in the closed chamber.The developing plant was using which of the following as a source of energy during this first week?

A)light
B)starch from the seed
C)water from the soil
D)sugars from the soil
E)nutrients from the soil

Question 35

If you add a plant hormone to a culture of plant cells,and cell division increases,which hormone did you add?

A)cytokinin.
B)gibberellin.
C)auxin.
D)ethylene.
E)abscisic acid.

Question 36

The resumption of growth and development after a period of seed dormancy is

A)germination.
B)fertilization.
C)pollination.
D)stagnation.
E)transpiration.

Question 37

Pollination is the transfer of pollen from a(n)_______________ to a receptive ________________.

A)ovary;stigma
B)stigma;ovary
C)stigma;anther
D)anther;stigma
E)No answer is correct.

Question 38

The reason why one bad apple leads to a bushel of apples,in which the bad one is found,spoiling,is that the bad apple produces lots of

A)auxin.
B)cytokinin.
C)abscisic acid.
D)gibberellin.
E)ethylenE.

Question 39

The main pollinators of flowers that have markings visible only under ultraviolet light are

A)beetles.
B)birds.
C)bats and moths.
D)bees.
E)flies.

Question 40

A seed's response to gravity is called

A)thigmotropism.
B)phototropism.
C)organotropism.
D)gravitropism.
E)chemotropism.

Question 41

From which structures do fruits arise?

A)flowers
B)leaves
C)stems
D)roots
E)apical meristems

Question 42

Cocklebur will not flower if exposed to 8 hours of dark and 16 hours of light.It will flower if exposed to 16 hours of dark and 8 hours of light.However,if the 16 hours of dark is interrupted with a brief period of light the cocklebur will not flower.What triggers cocklebur to flower?

A)short dark periods
B)short light periods
C)long light periods
D)long dark periods
E)No answer is correct.

Question 43

As a seed germinates,its shoot points upward toward light,and its root grows downward into the soil.Turn the plant sideways,and the stem and roots bend according to the new direction of gravity.How do roots and shoots grow in opposite directions as the plant is rotated?

A)The roots and shoots respond to auxins,though in different directions.
B)Statoliths move in the opposite direction in roots and shoots.
C)The absorption of light occurs only in shoots.
D)The circadian rhythms of roots and shoots are opposite.
E)Differences in thigmotropism occur.

Question 44

Cytokinins are plant hormones that stimulate the ripening of fruit.

Question 45

If you wanted a grass plant to bend to the right,where would you want to apply auxin?

A)on the left side of the grass,a few centimeters down from the tip
B)on the right side of the grass,a few centimeters down from the tip
C)on the left side of the tip of the grass
D)on the right side of the tip of the grass

Question 46

Clover will flower if exposed to 8 hours of dark and 16 hours of light.It will not flower if exposed to 16 hours of dark and 8 hours of light.However,if the 16 hours of dark is interrupted with a brief period of light the clover will flower.Which triggers clover to flower?

A)short dark periods
B)long dark periods
C)short light periods
D)long light periods

Question 47

Cytokinins are produced in the root apical meristem and stimulate the growth of lateral buds.How do cytokinins reach the lateral buds?

A)through the phloem
B)through the xylem or phloem
C)through the xylem
D)by diffusion as a gas
E)through the phloem or by diffusion as a gas

Question 48

One way to get fruit to ripen faster is to place it in a paper bag with other ripe fruit.Which of the following best explains this observation?

A)Ripe fruit releases ethylene gas.
B)Ripe fruit breaks down auxins.
C)The lack of oxygen promotes photosynthesis,which ripens the fruit.
D)Ripe fruit carries fungi that attack other fruit.
E)When fruit is in the dark it thinks it is underground and begins to germinatE.

Question 49

As a seed germinates,its shoot points upward toward light,and its root grows downward into the soil.Turn the plant sideways,and the stem and roots bend according to the new direction of gravity.How do roots and shoots respond to gravity?

A)by the absorption of light by phytochromes
B)through circadian rhythms
C)through thigmotropism
D)by sensing the photoperiod
E)by the movement of statoliths within the cell

Question 50

If a gardener cuts the apical meristem of a plant,lateral buds begin to grow,which causes a bushier shape to develop.This is because the apical meristem normally secretes auxins that do which of the following?

A)stimulate the growth of lateral buds
B)suppress the growth of the apical meristem
C)stimulate the growth of the apical meristem
D)suppress the growth of lateral buds
E)stimulate the growth of roots

Question 51

Coconuts are fruits containing seeds that are usually wind-dispersed.

Question 52

In the experiments described in the chapter,which animals were most likely to eat the hot peppers?

A)cactus mice
B)pack rats
C)thrashers
D)cactus mice and pack rats
E)Thrashers,cactus mice,and pack rats all ate the peppers equally.

Question 53

Scientists tested the hypothesis that peppers are hot

A)to deter seed destroyers without affecting dispersers.
B)to deter all animals from destroying the seeds.
C)to promote dispersion when animals drop the hot fruit.
D)for a reason unrelated to seed dispersal or destruction.
E)to promote pollination of the peppers.

Question 54

You plant a seed in a pot containing soil,and then add water and place the pot under a light.After the seedling emerged,complete with two green leaves,the carbon dioxide levels decreased in the closed chamber.What can be said of this plant?

A)It is a diploid monocot.
B)It is a diploid eudicot.
C)It is a triploid eudicot.
D)It is a triploid monocot.
E)It is polyploid monocot or eudicot.

Question 55

What is the normal function of fruits?

A)to protect seeds
B)to disperse seeds
C)to attract pollinators
D)to protect and disperse seeds
E)to attract pollinators and protect seeds

Question 56

How are animals involved in the life cycle of plants?

A)as pollinators only
B)as pollinators and seed dispersers
C)as seed dispersers only
D)as seed germinators only
E)as seed germinators and dispersers

Question 57

In the late 1870s,Charles Darwin and his son Francis discovered that if the tip of the grass was covered phototropism did not occur,even though the rest of the grass was exposed to light.However,if the rest of the plant was covered and only the tip exposed to light the grass bent a few centimeters below the tip.How could light striking the tip of the grass cause bending a few centimeters from the tip?

A)The light must be striking the cells that bend as well.
B)A hormone must be carrying the response from the tip to the site of bending.
C)The bending must start at the tip and move down the entire blade of grass.
D)Bending is independent of the source of light.
E)The light is being transmitted from the tip to cells at the site of bending.

Question 58

Gymnosperms are flowering plants.

Question 59

Sporophytes are haploid.

Question 60

Gametophytes are haploid.

Question 61

A short day plant flowers when nights are long.

Question 62

Which is not a variable in the reproduction of flowering plants?

A)hereditary information passed asexually
B)hereditary information passed sexually
C)hormones
D)gravity
E)seasonal changes in temperature and light

Question 63

A dry spiny fruit is probably dispersed by attaching to an animal's fur.

Question 64

A sweet,juicy red berry is probably dispersed by attaching to an animal's fur.

Question 65

Reproduction of flowering plants

A)relies upon wind to disperse seeds.
B)relies upon animals to disperse seeds.
C)relies upon animals to disperse pollen.
D)All answers are correct
E)relies upon wind to disperse pollen.