Deck 23: Seed Plants: Angiosperms

Question 1

Which of the following tissues or structures in flowering plants is a part of the gametophyte generation and therefore haploid?

A) flower petal cells
B) megaspore mother cells
C) synergids
D) integument cells
E) filament cells

Answer 1

C

Question 2

In this question, assume that the life cycle of a flowering plant begins with the germination of a seed and ends with the development of a fruit. Two events that occur in the life cycle are the formation of endosperm tissue and the development of an embryo.

A) The formation of endosperm tissue precedes the development of an embryo.
B) The development of an embryo precedes the formation of endosperm tissue.
C) Both events occur more or less simultaneously.

Answer 2

C

Question 3

With over 250,000 species known, the phylum ________ is the largest phylum in the plant kingdom.

A) Gnetophyta
B) Ginkgophyta
C) Coniferophyta
D) Magnoliophyta
E) Psilotophyta

Answer 3

D

Question 4

The mature male gametophyte of an angiosperm consists of ________.

A) a photosynthetic sheet of cells called a prothallus
B) a germinated pollen grain with a vegetative nucleus and two sperm nuclei
C) a multicellular cylinder of cells living as a saprobe
D) a multicellular structure that produces sperm in an antheridium
E) a young pollen grain

Question 5

In this question, assume that the life cycle of a flowering plant begins with the germination of a seed and ends with the development of a fruit. Two events that occur in the life cycle are the germination of a pollen grain and the formation of a generative nucleus.

A) The germination of a pollen grain precedes the formation of a generative nucleus.
B) The formation of a generative nucleus precedes the germination of a pollen grain.
C) Both events occur more or less simultaneously.

Question 6

Angiosperms are characterized by the following:

A) they are the largest and most diverse of the phyla of the plant kingdom.
B) the production of seed inside the walls of the ovary.
C) the production of a fruit consisting of the seed plus pistil.
D) the smallest gametophytes in the plant kingdom.
E) All of these describe the angiosperms.

Question 7

In this question, assume that the life cycle of a flowering plant begins with the germination of a seed and ends with the development of a fruit. Two events that occur in the life cycle are the formation of microspore mother cells and the formation of microspores.

A) The formation of microspore mother cells precedes the formation of microspores.
B) The formation of microspores precedes the formation of microspore mother cells.
C) Both events occur more or less simultaneously.

Question 8

Angiosperms differ from conifers in all of the following EXCEPT:

A) Angiosperms exceed conifers in the number of species and the diversity of habitats in which they are found.
B) Angiosperms take a shorter period of time from pollination to the formation of mature seeds than the conifers.
C) The endosperm in angiosperms provides greater nutrition for the developing embryo than does the nucellus in the conifers.
D) All angiosperms are better adapted for living in areas with long winters than are the conifers
E) Animal pollination found in many angiosperms is more reliable and less haphazard than wind pollination found in the conifers.

Question 9

Fertilization in angiosperms is characterized as ________.

A) internal fertilization
B) double fertilization
C) endosporic fertilization
D) redundant fertilization
E) none of these

Question 10

Which of the following is part of a compound ovary within which seeds develop from ovules?

A) carpel
B) style
C) integument
D) peduncle
E) None of these answers are correct.

Question 11

In this question, assume that the life cycle of a flowering plant begins with the germination of a seed and ends with the development of a fruit. Two events that occur in the life cycle are the division of a microspore nucleus and the formation of sculptured wall.

A) The division of a microspore nucleus precedes the formation of sculptured wall.
B) The formation of a sculptured wall precedes the division of a microspore nucleus.
C) Both events occur more or less simultaneously.

Question 12

The name "angiosperm" used for the flowering plants refers to ________.

A) the production of seed inside the ovary
B) the process of fertilization to produce a zygote
C) the production of seed on an exposed leaf
D) the showy appearance of flowers
E) the production of flagellated sperm cells

Question 13

In this question, assume that the life cycle of a flowering plant begins with the germination of a seed and ends with the development of a fruit. Two events that occur in the life cycle are the formation of antipodals and the formation of synergids.

A) The formation of antipodals preceded the formation of synergids.
B) The formation of synergids precedes the formation of antipodals.
C) Both events occur more or less simultaneously.

Question 14

Which of the following tissues, cells, or structures in flowering plants is a part of the sporophyte generation and therefore diploid?

A) generative nucleus
B) sperm
C) synergid
D) cell of endosperm
E) cell of an integument

Question 15

The structure that matures into the seed is called a(n)

A) ovule.
B) megasporangium.
C) pollen grain.
D) ovary.
E) ovuliferous scale.

Question 16

In this question, assume that the life cycle of a flowering plant begins with the germination of a seed and ends with the development of a fruit. Two events that occur in the life cycle are the formation of a tube nucleus and the formation of sperm.

A) The formation of a tube nucleus precedes the formation of sperm.
B) The formation of sperm precedes the formation of a tube nucleus.
C) Both events occur more or less simultaneously.

Question 17

In this question, assume that the life cycle of a flowering plant begins with the germination of a seed and ends with the development of a fruit. Two events that occur in the life cycle are formation of a pollen tube and pollination.

A) Formation of a pollen tube precedes pollination.
B) Pollination precedes the formation of a pollen tube.
C) Both events occur more or less simultaneously.

Question 18

In this question, assume that the life cycle of a flowering plant begins with the germination of a seed and ends with the development of a fruit. Two events that occur in the life cycle are the formation of central cell nuclei and the formation of megaspores.

A) The formation of central cell nuclei preceded the formation of megaspores.
B) The formation of megaspores precedes the formation of central cell nuclei.
C) Both events occur more or less simultaneously.

Question 19

In this question, assume that the life cycle of a flowering plant begins with the germination of a seed and ends with the development of a fruit. Two events that occur in the life cycle are the fusion of sperm and central cell nuclei and the fusion of egg and sperm.

A) The fusion of sperm and central cell nuclei precedes the fusion of egg and sperm.
B) The fusion of egg and sperm precedes the fusion of sperm and central cell nuclei.
C) Both events occur more or less simultaneously.

Question 20

The female gametophyte of an angiosperm consists of ________.

A) an archegonium developing from nuclear tissue
B) the entire ovule inside the ovary
C) consists of a large sac with 8 nuclei in 7 cells
D) a pistil
E) a large multicellular nuclear mass developing on the sporophyll

Question 21

The floral parts are attached to an apical portion of the flowering stem called the

A) carpel.
B) receptacle.
C) stamen.
D) corolla.
E) inflorescence.

Question 22

The part of the flower in which ovules are produced is the

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

Question 23

The ________ are the most successful group of plants on the earth today, and they are also the most important economically.

A) gymnosperms
B) conifers
C) angiosperms
D) lycopods
E) ferns

Question 24

Pollen is produced in this flower part.

A) sepal
B) petal
C) stamen
D) carpel
E) anther

Question 25

A monoecious plant

A) has flowers with both male and female parts.
B) has separate male and female flowers on the same plant.
C) has male flowers on one plant and female flowers on another plant.
D) has only self-pollinating flowers.
E) propagates itself only asexually.

Question 26

Trends in evolutionary specialization include ________ in both monocots and dicots.

A) reduction of numbers of parts
B) fusion of parts
C) inferior ovaries
D) bilateral symmetry
E) All of these are correct.

Question 27

A flower with dull green petals, copious amounts of pollen, and long styles with feathery stigmas would be pollinated by

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

Question 28

The unique products of double fertilization in angiosperms are ________.

A) a seed
B) a seed with the food reserve stored in the nucellus.
C) a seed with a diploid embryo and triploid endosperm
D) a seed produced on an exposed sporophyll
E) a seed protected by woody cone scales

Question 29

The ovary of the flower matures into a(n)

A) carpel.
B) inferior ovary.
C) pollen sac.
D) fruit.
E) seed.

Question 30

A flower that can be split vertically through its axis into two equal halves but has unequal halves if split in any other way is said to be/have

A) radially symmetrical.
B) an inferior ovary.
C) a superior ovary.
D) bilaterally symmetrical.
E) a half-inferior ovary.

Question 31

Which of the following is considered to be a specialization characteristic of advanced (more highly evolved) flowering plants?

A) superior ovary
B) separate flower parts
C) bilateral symmetry
D) simple leaves
E) spirally arranged flower parts

Question 32

Which of the following pollinators rely more on vision than on smell in seeking floral energy sources?

A) beetles
B) bees
C) flies
D) hummingbirds
E) moths

Question 33

Pollen grains adhere to the ________ of the flower.

A) stigma
B) style
C) carpel
D) stamen
E) anther

Question 34

Flowers that are pollinated by beetles tend to

A) have yeasty, spicy, or fruity odors.
B) have foul, rotten meat odors.
C) have delicate, sweet odors.
D) be bright blue or bright yellow in color.
E) be bright red in color.

Question 35

Which of the following is NOT a structure or event associated with orchids and their pollination?

A) pollinium
B) petal modifications that resemble insects
C) "dunking" of pollinators
D) drugging of pollinators
E) numerous, conspicuous stamens

Question 36

Pollination involves the

A) fusion of egg and sperm.
B) development of a pollen tube.
C) transfer of pollen from an anther to a stigma.
D) division of a generative nucleus, forming two sperms.
E) maturation of pollen grains in an anther.

Question 37

________ species have imperfect (unisexual) flowers on the same plant.

A) Dioecious
B) Monoecious
C) Hermaphroditic
D) Dicot
E) Monocot

Question 38

These flower parts are generally green and leaflike.

A) petals
B) sepals
C) stamens
D) carpels
E) stigmas

Question 39

Flowers with well-developed landing platforms and nectar guides would probably be pollinated by

A) beetles.
B) ants.
C) bats.
D) bees.
E) spiders.

Question 40

Based on fossils and evidence from genetics, morphology and development, and other features of flowering plants, botanists hypothesize that the first flowering plants had ________.

A) tubular flowers formed from three petals
B) flowers with a single pistil formed from three fused carpels
C) flowers without petals or sepals
D) radial flowers with numerous petals arranged spirally
E) flowers with either pistils or stamens, but not both together

Question 41

Parthenocarpy involves fruits that develop from ovaries containing unfertilized eggs.

Question 42

Bats and other mammals are pollinators of some flowers.

Question 43

Bird-pollinated flowers tend to be white or dull in color.

Question 44

Each microspore mother cell normally divides to form four pollen grains.

Question 45

Endosperm is the principal food-storage tissue of all seeds.

Question 46

Herbarium is another name for a greenhouse.

Question 47

The outer part of an ovary wall is called the exine.

Question 48

Flowering plants consists of about 150,000 species.

Question 49

A compound pistil contains more than one carpel.

Question 50

An ovary usually becomes a seed.

Question 51

Each herbarium sheet consists of a pressed and dried plant of a given species mounted on good quality paper. The scientific name and common name are the only information that appear in the lower right corner.

Question 52

Moth- and butterfly-pollinated flowers tend to have sweet fragrances.

Question 53

Plants that have been preserved in herbaria as part of a research collection may have a useful lifespan as long as ________.

A) 1 year
B) 5 years
C) 50 years
D) 100 years
E) 300 years

Question 54

Double fusion (double fertilization) is found in ferns, conifers, and flowering plants.

Question 55

Inferior ovaries are considered a characteristic of primitive flowers.

Question 56

The modern view of angiosperm evolution is that they evolved independently from seed ferns and not from the conifers.

Question 57

Flies are attracted to blue or yellow flowers and to sweet fragrances as well as flowers that look and smell like rotten meat.

Question 58

Botanists preserve plants for future reference and study as part of the research collection in a/an ________.

A) greenhouse
B) museum
C) botany lab
D) herbarium
E) apiary

Question 59

The diversity and number of species of angiosperms is due, in part, to the partnership with animals to aid in pollination and seed dispersal.