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Multiple Choice Quiz
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1

During conjugation Paramecium exchange their primary nucleit
A)true
B)false
2

Sex evolved among eukaryotes as a mechanism to repair chromosomal damage.
A)true
B)false
3

Volvox are an example of __________.
A)multicellularity.
B)aggregation.
C)a colonial organism.
D)a sexually reproducing organism.
E)photosynthetic protozoans.
4

Green algae ___________.
A)form temporary aggregate in deep water.
B)exhibit both unicellular and multicellular forms.
C)are nonphotosynthetic.
D)are aggregate organisms.
E)form colonies.
5

Phylum ___________ are motile by flagella and are strict heterotrophs.
A)ciliophora
B)sarcodina
C)zoomastigophora
D)apicomplexa
E)none of the above
6

Paramecium is a member of phylum _________.
A)ciliophora
B)sarcodina
C)zoomastigophora
D)apicomplexa
E)none of the above
7

The golden algae are members of phylum Chrysophyta and have carotenoid and xanthophyll pigments.
A)true
B)false
8

There are over 11,500 species of diatoms inhabiting oceans and lakes.
A)true
B)false
9

The first fossils of protozoans are approximately __________ years old.
A)1.5 million
B)1.5 billion
C)3.5 million
D)3.5 billion
E)4.0 million
10

Mitochondria probably evolved from
A)ancestors of the phylum Chlorophyta.
B)aerobic forams.
C)anaerobic, fermentative bacteria.
D)aerobic, symbiotic eubacteria.
E)archaebacteria.
11

Endosymbiosis
A)was only able to occur in the earth's early, oxygen-free atmosphere.
B)probably led to all modern lines of eukaryotic organisms.
C)has been disproved in several significant experiments.
D)resulted in the division of the bacteria into two groups the Eubacteria and the Archaebacteria.
E)was unable to tolerate the pressures of natural selection.
12

The photosynthetic pigments found in red algae most closely resemble
A)Prochloron.
B)the green algae.
C)modern plants.
D)cyanobacteria.
E)the euglenoids.
13

Which of the following is a type of asexual reproduction?
A)parthenogenesis
B)conjugation
C)mitosis
D)fertilization
E)both c and d
14

You are trying to develop a new automotive paint and you want it to be eye-catching. To add sparkle to the paint you might add
A)pigments extracted from brown algae.
B)powdered dinoflagellates.
C)diatomaceous earth.
D)coral.
E)none of the above
15

While cataloging the life-forms in a sample of ocean water you observe some interesting microscopic organisms. They are present in a variety of shapes; some are round while others have an elongated shape. They all have highly refractive shells, and after running some tests you determine the shells are made up of calcium carbonate. These organisms are probably members of the phylum
A)Zoomastigophora.
B)Dinoflagellata.
C)Bacillariophyta.
D)Rhizopoda.
E)Sarcodina.
16

In the famous horror movie The Blob, the monster had many features in common with the phylum
A)Acrasiomycota.
B)Ciliophora
C)Oomycota
D)Myxomycota.
E)Sporozoa.
17

The sporozoans are
A)motile by cilia and mostly nonparasitic.
B)motile by rhizopodia and a few species are parasitic.
C)nonmotile in the haploid state and parasitic.
D)motile by flagella and often form colonies.
E)nonmotile and parasitic.
18

Which of the following is being explored as a way to eliminate malaria?
A)the development of a vaccine
B)the development of methods to eliminate the Anopheles mosquito
C)the development of effective drugs
D)all of the above
E)both a and b





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