Chapter 17

Question 1

I am a heterotroph and a eukaryote. I digest my food externally and absorb the small molecules into my cells. Who am I?

Answer 1

Fungi

Question 2

Tinea pedis, commonly known as athlete’s foot, is an example of a:
A) mycosis
B) saprobe
C) mycelium
D) pathogen
E) mycorrhiza

Answer 2

A, mycosis

Question 3

Some fungi produce threadlike filaments made of cells. What do we call these?

Answer 3

hyphae

Question 4

A mushroom

Answer 4

Is an aboveground reproductive structure connected to a mycelium

Question 5

Which of the following structures is an essential part of most fungal reproductive systems?
A) endospores
B) seeds
C) gametangia
D) cellulose
E) spores

Answer 5

E, spores

Question 6

Most familiar types of mushrooms, along with puffballs and shelf fungi, are

Answer 6

basidiomycetes

Question 7

If fungi of the genus Cordyceps are ingested by insects, fruiting bodies will form and erupt through the bodies of the insects. Cordyceps are an example of

Answer 7

parasitic fungi

Question 8

Which of the following occurs in the sexual reproduction phase of the fungus life cycle?
A) Spores germinate and form a haploid mycelium
B) Heterokaryotic cells separate to re-create the original haploid hyphae
C) Hyphae of two different mating types fuse
D) Diploid neclei form, undergo meiosis, and produce haploid sproes

Answer 8

D, Diploid nuclei form, undergo meiosis, and produce haploid spores

Question 9

The first antibiotic was discovered in a fungus by Alexander Fleming in 1928. It is still used today to treat bacterial infections. What is it?

Answer 9

Penicillin

Question 10

What kind of entity is a lichen

Answer 10

An association between a fungus and cyanobacteria or green algae

Question 11

The plant genus Pinus reaches optimal growth when it grows with the fungal genus Suillusis. The ______ of the fungus gives Pinus water and mineral nutrients, while pinus gives the fungus sugars and organic macromolecules. Pinus and Suillusis have a _______ relationship

Answer 11

Hyphae; Symbiotic

Question 12

A billionaire buys a sterile volcanic island that recently emerged from the sea to break down the rock and create the conditions necessary for plant growth, the billionaire might want to sow ________ over the island

Answer 12

Soredia

Question 13

Arrange the following in order from largest to smallest assuming that they all come from the same fungus
1) Basidiocarp
2) Basidium
3) spore (basidiospore)
4) mycelium
5) gill

Answer 13

4,1,5,2,3

Question 14

The ancestors of land plants were probably ______- that lived in _______

Answer 14

Green algae similar to charophytes; coastal marshes or lake fringes

Question 15

Gas exchange in most land plants occurs through structures called

Answer 15

stomata

Question 16

In plants, the vascular tissue made of dead cells that transport water and minerals from the roots is called

Answer 16

xylem

Question 17

Which of the following statements correctly describes the alternation of generations in a plant life cycle?
A) Diploid gametophytes that produce gametes by meiosis alternate with haploid sporophytes that produce spores by mitosis
B) Diploid sporophytes that produce spores by meiosis alternate with haploid gametophytes that produce gametes by mitosis
C) Diploid gametophytes that produce spores by mitosis alternate with haploid sporophytes that produce gametes by meiosis
D) Diploid sporophytes that produce gametes by meiosis alternate with haploid sporophytes that produce gametes by mitosis

Answer 17

B, Diploid sporophytes that produce spores by meiosis alternate with haploid gametophytes that produce gametes by mitosis

Question 18

Mosses belong to the group of plants known as the

Answer 18

Bryophytes

Question 19

The closest relatives of pine and spruce trees are ______

Answer 19

gnetophytes, cycads, and ginkgos

Question 20

Which of the following statements regarding ferns is true?
A) ferns do not have lignified cell walls or well-developed roots
B) Ferns have well-developed vascular tissue, roots, and stems
C) ferns produce pollen that is dispersed by air
D) Ferns produce seeds that are dispersed by water

Answer 20

B, Ferns have well-developed vascular tissue, roots, and stems

Question 21

In a moss, most of the plants that we see are ______, and in a fern, the most dominant stage is the ______

Answer 21

Gametophytes; sporophyte

Question 22

The incomplete decay of dead plants during the Carboniferous period led to

Answer 22

the formation of coal

Question 23

The ______ represents the sporophyte generation of a conifer, and the _____ produces gametophytes

Answer 23

tree; cone

Question 24

Which of the following monocot-dicot comparisons is INCORRECT
A) One cotyledon in seed-two cotyledons in seed
B) flower parts in threes and multiples of three-flower parts in fours or fives and multiples of four or five
C) vascular bundles scattered in stem-vascular bundles in a distinct ring
D) leaf veins form a net pattern-leaf veins form a parallel pattern

Answer 24

D, Leaf veins form a net pattern-leaf veins form a parallel pattern