Deck 25: The Angiosperms: Form and Function in Flowering Plants

Question 1

The structure that attaches a leaf to the rest of the plant is the:

A)blade.
B)stoma.
C)petiole.
D)stem.

Answer 1

C

Question 2

Flower parts arranged in multiples of four or five is characteristic of:

A)monocots.
B)dicots.
C)both monocots and dicots.
D)non-flowering seed plants.

Answer 2

B

Question 3

About 90 percent of water absorbed through roots is lost to the atmosphere due to the process of:

A)transpiration.
B)expiration.
C)perspiration.
D)photosynthesis.

Answer 3

A

Question 4

The trap of a carnivorous plant such as the Venus flytrap is what plant structure?

A)stem
B)leaf
C)fruit
D)flower

Question 5

The major advantage provided to plants by root hairs is:

A)needle-like points for drilling through hard or rocky soil.
B)ability to produce new taproots.
C)underground asexual reproduction.
D)greatly increasing absorptive surface area.

Question 6

The outer portion of the "ground tissue" of a stem is referred to as its:

A)cortex.
B)pith.
C)sepal.
D)mesophyll.

Question 7

Which plant tissue is associated with a waxy coating called the cuticle?

A)meristematic
B)ground
C)vascular
D)dermal

Question 8

Vascular tissue that conducts food produced during photosynthesis is the:

A)meristematic tissue.
B)phloem.
C)xylem.
D)ground substance.

Question 9

Secondary woody growth is characteristic of:

A)monocots.
B)dicots.
C)both monocots and dicots.
D)non-flowering seed plants.

Question 10

A ring of vascular bundles in a stem is characteristic of:

A)monocots.
B)many dicots.
C)both monocots and dicots.
D)non-flowering seed plants.

Question 11

Narrow,parallel-veined leaves are characteristic of:

A)monocots.
B)many dicots.
C)both monocots and dicots.
D)non-flowering seed plants.

Question 12

Vascular tissue that conducts water and minerals is the:

A)meristematic tissue.
B)phloem.
C)xylem.
D)ground substance.

Question 13

Refer to the scenario below, and then answer the following question(s).
A friend of yours finds a plastic bag containing what appear to be similar seeds collected last year during a vacation hiking trip. Your friend isn't quite sure which plant he collected them from. You open the seed with a sharp knife, examine the inside, and ask him if it was a non-woody plant with narrow leaves. Now recalling the plant, and astonished by your "detective work," he says, "Yes! How did you know?" Your friend then presents several pressed flowers and states that one of the flowers was from the plant from which he collected the seeds, but he isn't exactly sure which one. You examine the petals and sepals of each flower. The first flower has six parts, the second has five parts, and the third has eight parts.
How did you know by examining the seed that it was a non-woody plant with narrow leaves?

A)The seed contained an embryonic flower with four petals.
B)The seed contained a small taproot.
C)The seed contained one cotyledon.
D)The seed contained two cotyledons.

Question 14

Which flower would you select as the one matching the plant from which he gathered the seeds?

A)The flower with six parts
B)The flower with five parts
C)The flower with eight parts
D)Either the flower with five or the flower with eight parts could match the seeds.

Question 15

Guard cells are responsible for:

A)transport of water and minerals.
B)protection of a leaf.
C)regulating passage of carbon dioxide into the leaf.
D)photosynthesis.

Question 16

Which kind of root system consists of a large central root and numerous lateral roots?

A)fibrous
B)taproot
C)needle-like
D)spinous

Question 17

In both monocotyledons and dicotyledons,a cotyledon is a(n):

A)type of seed.
B)type of flower.
C)embryonic root.
D)embryonic leaf.

Question 18

Sepals are:

A)pollen-producing structures.
B)leaf-like structures that protect a flower before it opens.
C)pollen receptacles on a carpel.
D)insect-attracting structures of the flower.

Question 19

Which plant tissue may play a role in photosynthesis,nutrient storage,and plant structure?

A)meristematic
B)ground
C)vascular
D)dermal

Question 20

Mesophyll cells are primarily responsible for:

A)transport of water.
B)protection of a leaf.
C)regulating passage of carbon dioxide into the leaf.
D)photosynthesis.

Question 21

Which plant tissue contains cells called tracheids?

A)meristematic tissue
B)phloem
C)xylem
D)ground substance

Question 22

Lateral buds tend to stay dormant when:

A)conditions are favorable for leaf growth.
B)damaged apical meristems produce hormones that suppress their growth.
C)healthy apical meristems produce hormones that suppress their growth.
D)root growth is rapid.

Question 23

Which statement best describes primary growth in angiosperms?

A)Growth occurs at the tips of shoots and roots.
B)Growth occurs evenly throughout the plant.
C)First-year growth occurs at the tips of shoots and roots, and then growth occurs evenly throughout the plant as it ages.
D)First-year growth occurs evenly throughout the plant, and then growth only occurs at the tips and shoots as it ages.

Question 24

Fusion of a sperm cell with the large central cell in an angiosperm embryo sac produces:

A)a spore.
B)the zygote.
C)the endosperm.
D)a pollen tube.

Question 25

The male gametophyte generation of angiosperms is represented by:

A)pollen grains.
B)embryo sacs.
C)seeds.
D)the style.

Question 26

Although they produce flowers,cacti with needle-like leaves would be classified as gymnosperms rather than angiosperms.

Question 27

The source of a fruit produced by an angiosperm is its:

A)endosperm.
B)ovary wall.
C)sepal.
D)seed.

Question 28

A flower's nectar is food for pollinators,so one might question whether fruit is also an adaptation for attracting pollinators.Which of the following would be the most valid fact supporting the hypothesis that fruit is for encouraging seed dispersal rather than to encourage pollination?

A)Fruit is too large for pollinators to consume.
B)Fruit does not last long enough for long-term pollination cycles.
C)The carpel has already been pollinated when fruit is developing.
D)Pollinators do not have mouthparts appropriate to eat fruit.

Question 29

Which of the following best describes the nature of the cells of mature,functioning xylem?

A)living, thick-walled tubes
B)dead, thick-walled tubes
C)living cells that have lost their nucleus
D)dead cells that retain some organelles and some maintenance functions

Question 30

Place the following listed items in the correct order in relation to the life cycle of a flowering plant: (1)fertilization,(2)formation of a pollen tube,(3)pollination.

A)1, 2, 3
B)3, 2, 1
C)2, 3, 1
D)2, 1, 3

Question 31

The force that moves material through phloem is provided by:

A)gravity.
B)transpiration.
C)osmosis.
D)active transport.

Question 32

You find a leaf that has large stomata and a thick,waxy covering.What is clear about the original plant?

A)The plant minimizes sunlight uptake.
B)The plant maximizes nutrient uptake.
C)The plant minimizes nutrient uptake.
D)The plant minimizes water loss.

Question 33

Which statement best describes the role of the megaspore in angiosperm reproduction?

A)The megaspore develops into a seed.
B)The megaspore produces pollen grains.
C)The megaspore develops into the anther.
D)The megaspore produces the egg-containing embryo sac.

Question 34

Which of the following best describes the nature of the sieve element cells of mature,functioning phloem?

A)living, thick-walled tubes
B)dead, thick-walled tubes
C)living cells that have lost their nucleus
D)dead cells that retain some organelles and some maintenance functions

Question 35

Growth areas of an angiosperm are called:

A)ground tissue.
B)root caps.
C)cuticles.
D)apical meristems.

Question 36

The female gametophyte generation of angiosperms is represented by:

A)pollen grains.
B)embryo sacs.
C)seeds.
D)pollen tubes.

Question 37

The force that moves water through xylem is provided by:

A)gravity.
B)transpiration.
C)osmosis.
D)active transport.

Question 38

Angiosperm flowers always self-pollinate because they have both male and female reproductive structures.

Question 39

Because a plant can grow indefinitely at the tips of the roots and shoots,we say that a plant's growth is:

A)annualized.
B)indeterminate.
C)determinate.
D)limitless.

Question 40

Companion cells are specialized cells found in which plant tissue?

A)meristematic tissue
B)phloem
C)xylem
D)ground substance

Question 41

Stomata allow carbon dioxide into a leaf and water vapor out.

Question 42

The fruit that surrounds a seed provides the primary nourishment for the germinating embryo.

Question 43

Carpels are the often-colorful parts of a flower that attract pollinators.

Question 44

The male gametophyte generation develops largely within pollen grains of angiosperms.

Question 45

The anther in a flower produces microspores.

Question 46

The apical meristem produces the primary tissues in a plant.

Question 47

Double fertilization occurs within the embryo sac in the carpels of angiosperms.

Question 48

Vascular bundles are found in monocot stems but not in dicot stems.

Question 49

A fibrous root system is made of roots that are all about the same size.

Question 50

Most stomata are found on the top surface of a leaf.

Question 51

Although they may look different,all fruits come from one carpel and produce one seed.

Question 52

Woody plants such as oaks and maples are dicots.

Question 53

Woody plants exhibit secondary growth in addition to primary growth.

Question 54

The cotyledons of an embryo represent the first leaves of the plant.

Question 55

Ground tissue forms the bulk of the primary plant.

Question 56

The pod of a pea plant represents a fruit produced by the plant.

Question 57

The "style" is the long,slender structure of the stamen.

Question 58

Guard cells open stomata when they engorge with water and bow outward.

Question 59

Companion cells play a role in keeping xylem cells alive.

Question 60

Root hairs develop into taproots.

Question 61

After pollination,sperm cells travel through the carpel in a structure called the ________.

Question 62

The type of root system more common in monocots is the ________ root system.

Question 63

Refer to the figure below, and then answer the following question(s).

The missing label indicated by a "2" corresponds to the:

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

Question 64

Describe how the broad leaf of a typical dicot is so well adapted for its job as the photosynthetic organ of a plant.In your answer make sure to assess the ways plants evolved to deal with potential problems the broad leaf might cause.

Question 65

Of the two basic structures of an angiosperm plant,roots are described as having the more straightforward function,while shoots have more complex functions.Evaluate and explain why this is true.

Question 66

The two basic divisions of the "body" of an angiosperm plant are ________ and ________.

Question 67

________ provides the force that moves water up xylem.

Question 68

Refer to the figure below, and then answer the following question(s).

The missing label indicated by a "1" corresponds to the:

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

Question 69

Evaluate and explain this statement: An angiosperm plant could be described as the ultimate "solar energy organism."

Question 70

The structures in which xylem and phloem tubes are found are called ________.