Deck 23: Seed Plants: Angiosperms

Question 1

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

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 a tube nucleus and the formation of sperms.

A) The first event precedes the second event.
B) The second event precedes the first event.
C) Both events occur more or less simultaneously.

Answer 2

A

Question 3

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 first event precedes the second event.
B) The second event precedes the first event.
C) Both events occur more or less simultaneously.

Answer 3

C

Question 4

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 first event precedes the second event.
B) The second event precedes the first event.
C) Both events occur more or less simultaneously.

Question 5

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

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

Question 6

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

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 polar nuclei and the formation of megaspores.

A) The first event precedes the second event.
B) The second event precedes the first event.
C) Both events occur more or less simultaneously.

Question 8

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

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 fusion of sperm and polar nuclei and the fusion of egg and sperm.

A) The first event precedes the second event.
B) The second event precedes the first event.
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 division of a microspore nucleus and the formation of sculptured wall.

A) The first event precedes the second event.
B) The second event precedes the first event.
C) Both events occur more or less simultaneously.

Question 14

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 15

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 first event precedes the second event.
B) The second event precedes the first event.
C) Both events occur more or less simultaneously.

Question 16

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 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) The first event precedes the second event.
B) The second event precedes the first event.
C) Both events occur more or less simultaneously.

Question 18

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 confiers.
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 19

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 20

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 first event precedes the second event.
B) The second event precedes the first event.
C) Both events occur more or less simultaneously.

Question 21

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 polyploid endosperm
D) a seed produced on an exposed sporophyll
E) a seed protected by woody cone scales

Question 22

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 23

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

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

Question 24

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 25

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

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

Question 26

The ovary of the flower matures into a(an)

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

Question 27

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 28

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 29

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 30

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

Question 31

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 32

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 33

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 34

These flower parts are generally green and leaflike.

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

Question 35

Pollen grains adhere to the _____ of the flower.

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

Question 36

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 37

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 38

Pollen is produced in this flower part.

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

Question 39

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 40

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 41

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 42

An ovary usually becomes a seed.

Question 43

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

Question 44

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

Question 45

Flowering plants consists of about 150,000 species.

Question 46

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

Question 47

Herbarium is another name for a greenhouse.

Question 48

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

Question 49

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 50

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

Question 51

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

Question 52

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

Question 53

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 54

A compound pistil contains more than one carpel.

Question 55

Inferior ovaries are considered a characteristic of primitive flowers.

Question 56

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

Question 57

Parthenocarpy involves fruits that develop from ovaries containing unfertilized eggs.

Question 58

Bats and other mammals are pollinators of some flowers.

Question 59

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