Eukaryotes : Fungi Algae

Question 1

Algae are photosynthetic, eucaryotic organisms
that, together with protozoa, are classified in what kingdom

Answer 1

kingdom Protista.

Question 2

The study of algae is called

Answer 2

phycology

Question 3

algae cells have a (a thickened cell membrane), called

Answer 3

pellicle

Question 4

algae have (a light-sensing organelle, also known as an)

Answer 4

eyespot

Question 5

are found in freshwater and salt water, in wet soil, and on wet rocks.

Answer 5

Algae

Question 6

Algae produce their energy by

Answer 6

photosynthesis

Question 7

are tiny, usually unicellular algae that live in both freshwater and seawater.

have silicon dioxide
in their cell walls; thus, they have cell walls made of glass.

Answer 7

Diatoms

Question 8

are used in filtration systems, insulation, and abrasives.

Answer 8

diatoms

Question 9

are microscopic, unicellular, flagellated, often photosynthetic algae

producing much of the oxygen in our atmosphere and serving as important links in food chains.

responsible for red tides

Answer 9

Dinoflagellates

Question 10

are unicellular algae, some of which resemble a microscopic banana

Answer 10

Desmids

Question 11

a multicellular alga (sometimes referred to as
a colonial alga or colony)

Answer 11

Volvox

Question 12

alga, in that it possesses features possessed by both algae and protozoa.

Answer 12

Euglena

Question 13

A typical protozoan life
cycle consists of two
stages:

Answer 13

a motile trophozoite stage

a nonmotile cyst stage.

Question 14

is the motile, feeding, dividing stage
in a protozoan’s life cycle

Answer 14

trophozoite

Question 15

the nonmotile, dormant, survival stage. of a protozoa

Answer 15

cyst

Question 16

are the “garbage disposers” of nature—the “vultures

Answer 16

Fungi

Question 17

Fungi are a diverse group of eucaryotic organisms
that include

Answer 17

yeasts, moulds, and mushrooms

Question 18

fungi’s main source of food is

Answer 18

dead and decaying
organic matter.

Question 19

fungi that grow as filaments called

Answer 19

hyphae

Question 20

fungal cells can reproduce by

Answer 20

budding

hyphal extension

formation of
spores

Question 21

Asexual fungal spores
are known as

Answer 21

conidia

Question 22

a phylum class that include the common
bread moulds and other fungi that cause food spoilage.

Answer 22

Zygomycotina

Question 23

a phylum class that contains fungi having no mode of sexual reproduction, or in which the mode of sexual reproduction is not known

Answer 23

Deuteromycota

Question 24

Aspergillus and
Penicillium is under what phylum class

Answer 24

Deuteromycetes

Question 25

yeast produce by

Answer 25

budding

Question 26

Individual yeast cells, sometimes referred to as ____can only be observed using a microscope

Answer 26

blastospores

Question 27

yeasts produce thick-walled, sporelike structures called

Answer 27

chlamydospores

Question 28

They grow in the form of cytoplasmic filaments or hyphae

Answer 28

Moulds

Question 29

also used to produce large quantities of enzymes

Answer 29

moulds

Question 30

mushrooms, toadstools, puffballs, and bracket fungi, are collectively referred to as

Answer 30

Fleshy Fungi

Question 31

Fungal infections are known as

Answer 31

mycoses

Question 32

mycoses are categorized as

Answer 32

superficial, cutaneous, subcutaneous, or systemic mycoses

Question 33

more severe types of mycoses. fungal infections of the dermis and underlying tissues

Answer 33

Subcutaneous and Systemic Mycoses.

Question 34

can live either as
yeasts or as moulds

exist
as unicellular yeasts and produce yeast colonies

Answer 34

Dimorphic Fungi.

Question 35

a combination of two
organisms: an alga
(or a cyanobacterium)
and a fungus

Answer 35

lichen

Question 36

moulds that are found in soil and on rotting logs, have both fungal and protozoal characteristics and very interesting life cycles.

Answer 36

Slime moulds

Question 37

1. Which of the following statements about algae and
   fungi is (are) true?
   a. Algae are photosynthetic, whereas fungi are not.
   b. Algal cell walls contain cellulose, whereas fungal
   cell walls do not.
   c. Fungal cell walls contain chitin, whereas algal cell
   walls do not.
   d. all of the above

Answer 37

d

Question 38

2. All of the following are algae except:
   a. desmids.
   b. diatoms.
   c. dinoflagellates.
   d. sporozoa.

Answer 38

d

Question 39

3. All of the following are fungi except:
   a. moulds.
   b. Paramecium.
   c. Penicillium.
   d. yeasts.

Answer 39

b

Question 40

4. A protozoan may possess any of the following
   except:
   a. cilia.
   b. flagella.
   c. hyphae.
   d. pseudopodia.

Answer 40

a

Question 41

5. Which one of the following terms is not associated
   with fungi?
   a. conidia
   b. hyphae
   c. mycelium
   d. pellicle

Answer 41

a

Question 42

6. All of the following terms can be used to describe
   hyphae except:
   a. aerial and reproductive.
   b. septate and aseptate.
   c. sexual and asexual.
   d. vegetative

Answer 42

c

Question 43

7. A lichen usually represents a symbiotic relationship
   between which of the following pairs?
   a. a fungus and an ameba
   b. a yeast and an ameba
   c. an alga and a cyanobacterium
   d. an alga and a fungus

Answer 43

d

Question 44

8. A stigma is a:
   a. light-sensing organelle.
   b. primitive mouth.
   c. thickened membrane.
   d. type of plastid.

Answer 44

a

Question 45

9. If a dimorphic fungus is causing a respiratory infection, which of the following might be seen in a sputum specimen from that patient?
   a. amebae
   b. conidia
   c. hypha
   d. yeast

Answer 45

d

Question 46

10. Which one of the following is not a fungus?
    a. Aspergillus
    b. Candida
    c. Penicillium
    d. Prototheca

Answer 46

d