Algae
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Which
of the following algal divisions is characterized by possession of chlorophylls
A and B, starch as the energy storage material, cellulosic cell walls and live
in freshwater and marine habitats?
a. Chlorophyta
b.
Chrysophyta
c.
Phaeophyta
d.
Pyrrophyta
Which
algal division is divided up into three main groups consisting of the
golden-brown algae, the yellow-green algae and the diatoms?
a.
Chlorophyta
b. Chrysophyta
c.
Phaeophyta
d.
Pyrrophyta
Zooxanthellae
are algal symbiont that live within coral reef animals. These algae belong to___________.
a.
chlorophyta
b.
chrysophyta
c. pyrrophyta
d.
rhodophyta
The
number of members of the division Phaeophyta that live in freshwater habitats___________.
a.
is greater than the number of members of the division Chloro-phyta that live in
freshwater habitats
b. is lesser than the
number of members of the division Chlorophyta that live in freshwater habitats
c.
is equal to the number of members of the division Chlorophyta that live in
freshwater habitats
d.
none of the above
All
algae possess___________.
a.
nuclei
b.
chloroplasts
c. Both (a) and (b)
d.
none of these
Algae
is a nonvalid taxinomic term that refers to___________.
a. eukaryotic
organisms that have chlorophyll a and produce O2
b.
well developed cellular structure including a conducting system
c.
Both (a) and (b)
d.
none of the above
Which
of the following algal divisions is characterized by possession of chlorophylls
A and B, paramylon as the energy storage material, and the presence of a
pellical instead of a cell wall?
a.
Chlorophyta
b. Euglenophyta
c.
Pyrrophyta
d.
Chrysophyta
Which
of the following best describes the algae known as diatoms?
a. Cells have
intricate shells of silicon dioxide with two halves
b.
Cells are encased in rigid walls composed of cellulose coated with silicon
c.
Cells have flagella and a light-detecting eye spot
d.
Cells contain carotenoid pigments as well as chlorophyll A and B
Chrysolaminarin
is an energy storage material characteristic of___________.
a.
chlorophyta
b. chrysophyta
c.
phaeophyta
d.
rhodophyta
Which
of the following is correct?
a.
All members of photolithotrophic autotrophs are also members of algae, but not
all members of algae are members of photolithotrophic autotrophs
b. All members of
algae are also members of photolithotrophic autotrophs, but not all members of
photolithotrophic autotrophs are members of algae
c.
All members of photolithotrophic autotrophs are members of algae, and all
members of algae are members of photolithotrophic autotrophs
d.
No member of photolithotrophic autotrophs is a member of algae
Bioluminescence
is a phenomenon associated with___________.
a.
chrysophyta
b.
phaeophyta
c. pyrrophyta
d.
chlorophyta
Laminarin
is an energy storage material characteristic of___________.
a.
chlorophyta
b.
chrysophyta
c. phaeophyta
d.
pyrrophyta
Chlamydomonas
and Volvox are similar because___________.
a.
they both are motile
b.
they are members of the Chlorophyta
c. Both (a) and (b)
d.
none of these
Starch
is an energy storage material characteristic of___________.
a.
chlorophyta
b.
chrysophyta
c.
phaeophyta
d.
rhodophyta
Number
of flagella produced by motile cells in___________.
a.
members of the phaeophyta is greater than members of the Oomycota
b.
members of the Oomycota is greater than members of the Phaeophyta
c. members of the
Phaeophyta is approximately equal to members of the Oomycota
d.
none of the above
The
algae Chlamydomonas demonstrates a complex life cycle that switches between
haploid and diploid forms. This life cycle is called ___________.
a.
the sexual-asexual exchange
b.
the transposition cycle
c. an alternation of
generations
d.
algal transformation
The
number of flagella produced by motile cells in___________.
a.
members of the Rhodophyta is greater than members of the Phaeophyta
b. members of the
Phaeophyta is greater than members of the Rhodophyta
c.
members of the Rhodophyta is exactly or approximately equal to members of the
Phaeophyta
d.
none of the above
Algae
are classified into 6 groups, technically known as___________.
a.
categories
b. divisions
c.
genera
d.
domains
Characteristics
used to place algae into divisions include all of the following except___________.
a.
form of storage material
b.
flagella number and location
c.
accessor pigments used in photosynthesis
d. all of the above
Which
algal division never produces motile, flagellated cells among any of its
members?
a.
Chlorophyta
b.
Chrysophyta
c.
Phaeophyta
d. Rhodophyta
The __________
is the vegetative body of algae.
a.
mycelium
b.
plasmodium
c.
pseudoplasmodium
d. thallus
Agar,
which is the solidifying agent in many bacterial culture media, is part of the
cell wall of___________.
a.
chlorophyta
b.
chrysophyta
c.
pyrrophyta
d. rhodophyta
The
kelps are algae found in___________.
a.
chlorophyta
b.
chrysophyta
c. phaeophyta
d.
pyrrophyta
Frustules
made of silica are characteristic of___________.
a.
euglenoids
b. diatoms
c.
desmids
d.
seaweeds
Algae
are found in all of the following places except___________.
a.
oceans
b. soils
c.
lakes and streams
d.
associates with fungi