Unit 6: Protists

Question 1

Which protist is this?

Answer 1

Oedogonium

Plant-like

Chlorophyta

Question 2

What type of protist undergoes reproduction with gametes?

Answer 2

Chlamydomonas

(unicellular)

Question 3

Which protist is this?

Answer 3

Difflugia

Animal-like

Sarcodina

Question 4

Which protist is this?

Answer 4

Spirostomum

Animal-like

Ciliophora

Question 5

During conjugation, what combines to form a new macronucleus in a recently conjugated paramecium?

Answer 5

2 micronuclei

(1 was its original and 1 is from the other protist)

Question 6

What is the cellularity of most protists?

Answer 6

unicellular

Question 7

During alternation of generations, what does the diploid sporophyte generation create during periods of environmental stress?

Answer 7

spores

(by meiosis therefore spores are haploid)

Question 8

During alternation of generations, which generation is diploid?

Answer 8

sporophyte generation

Question 9

What type of nucleus is exchanged during conjugation?

Answer 9

micronucleus

Question 10

Which protist is this?

Answer 10

Volvox

Plant-like

Chlorophyta

Question 11

Which protist is this?

Answer 11

Paramecium

Animal-like

Ciliophora

Question 12

Which protist is this?

Answer 12

Euplotes

Animal-like

Ciliophora

Question 13

During the sexual phase of reproduction with gametes, the mature protist produces ______ instead of zoospores

Answer 13

+ and - gametes

Question 14

During reproduction with gametes and the asexual phase, what is formed during two consecutive rounds of mitosis?

Answer 14

4 zoospores

Question 15

Which protists are unique in that they have shells made of silica?

Answer 15

Diatoms

Bacillariophyta

Question 16

Which protists use pseudopodia?

Answer 16

Sarcodines

Question 17

Which protist is this?

Answer 17

Actinosphaerium

Animal-like

Sarcodina

Question 18

What type of sexual reproductive process involves the exchanging of DNA?

Answer 18

conjugation

Question 19

Which protist is this?

Answer 19

Spirogyra

Plant-like

Chlorophyta

Question 20

During alternation of generations, what do the haploid spores create during periods of environmental stress?

Answer 20

male and female gametophytes

(haploid spores divide by mitosis into haploid gametophytes)

Question 21

Which protists are generally parasitic?

Answer 21

Sporozoans

Question 22

During alternation of generations, what does the haploid gametophyte generation create during periods of environmental stress?

Answer 22

gametes

(by mitosis therefore they are haploid)

Question 23

Which protist is this?

Answer 23

Didinium

Animal-like

Ciliophora

Question 24

What structure in protists may have evolved over time into the anus?

Answer 24

anal pore

Question 25

Which protist is this?

Answer 25

Amoeba Animal-like Sarcodina

Question 26

Which protist is this?

Answer 26

Pandorina Plant-like Chlorophyta

Question 27

During alternation of generations, what is the result of male and female gametes fusing together?

Answer 27

Zygote (haploid gamete + haploid gamete = diploid zygote)

Question 28

Which protist is this?

Answer 28

Blepharisma Animal-like Ciliophora

Question 29

What are the three types of fungus-like protists

Answer 29

acellular slime molds cellular slime molds watermolds

Question 30

What type of protist undergoes alternation of generation?

Answer 30

Ulva | (multicellular)

Question 31

Which protist is this?

Answer 31

Stentor Animal-like Ciliophora

Question 32

Where does the protista kingdom fall within the evolutionary tree?

Answer 32

Question 33

How is giardiasis and amoebic dysentary contracted?

Answer 33

indirect transmission

Question 34

Describe the internal anatomy of a flagellum or cilium

Answer 34

Question 35

Which protists are multicellular?

Answer 35

Phaeophyta Rhodophyta Chlorophyta

Question 36

Which protist is this?

Answer 36

Dileptis Animal-like Ciliophora

Question 37

Which protist is this?

Answer 37

Eudorina Plant-like Chlorophyta

Question 38

What do ciliates and zooflagellates have that aids in the absorption of food?

Answer 38

oral grooves and gullets

Question 39

Which protist is this?

Answer 39

Euglena plant-like Euglenophyta

Question 40

During reproduction with gametes, + and - gametes fuse to form a \_\_\_\_\_

Answer 40

zygote with hardens into a zygospore

Question 41

How many protists do you start with and end with during conjugation?

Answer 41

2

Question 42

Which protist is this?

Answer 42

Chlamydomonas Plant-like Chlorophyta

Question 43

Which protist is this?

Answer 43

Arcella Animal-like Sarcodina

Question 44

During alternation of generations, which generation is haploid?

Answer 44

gametophyte generation

Question 45

What type of environments are ideal for protists?

Answer 45

Moist freshwater, blood or marine environments

Question 46

Which protista phylum is most similar to present day simple plants?

Answer 46

Chlorophyta

Question 47

Which stage is diploid during the reproduction of gametes process?

Answer 47

Zygote/zygospore stage

Question 48

Why is the meaning behind the chlorophyta phlyum name?

Answer 48

composed of chloroplasts and chloroplyll

Question 49

Which two protist diseases are caused by sporozoans?

Answer 49

Malaria Giardiasis

Question 50

When zoospores mature and the environments remains favorable what do they create?

Answer 50

4 more zoospores

Question 51

During alternation of generations, what does the diploid zygote become when conditions become favorable once again?

Answer 51

sporophyte (diploid zygote divides by mitosis into a diploid sphorophyte)