Review Game Zone
Flash Cards
(current)
Games
Teachers
Search
Biology 2 Quiz 20-4
Test Description: 20-4
Instructions: Answer all questions to get your test result.
1) The brown accessory pigment found in brown algae is phycobilln.
A
False
B
True
2) Members of the phylum Rhodophyta contain the accessory pigment phycobilln.
A
False
B
True
3) The life cycles of many algae include both a diploid and haploid generation.
A
False
B
True
4) Which of the following is algae's most important contribution to humans?
A
as a source for medicinal drugs
B
as a source for industrial chemicals
C
as a photosynthesizer
D
as a direct food source for humans
5) Why are algae considered one of the most important groups of organisms on our planet?
A
They are rich in vitamin C
B
They produce chemicals that are used to treat health problems
C
They produce much of the earths oxygen through photosynthesis
D
They produce chemicals that are used to make plastics, waxes, and paints
6) An example of a multicellular green algae is
A
ulva
B
volvox
C
fucus
D
Chlamydomonas
7) An argument that does NOT support the classification of multicellular green algae as plants is that multicellular green algae
A
have specialized tissues
B
display alternation of generations
C
live primarily in water
D
contain chlorophyll a. which makes them green
8) Many algae switch back and forth between diploid and haploid stages during their life cycle in a process known as
A
fusion of opposite mating types
B
sexual reproduction
C
asexual reproduction
D
alternation of generations
9) Some products derived from algae include
A
thickeners for food
B
drugs for stomach ulcers and high blood pressure
C
all of these
D
chemicals in plastics, waxes, paints, and lubricants
10) Red algae lack flagella and
A
chlorphyl
B
nuclei
C
centrioles
D
accessory pigments
11) In the life cycle of the green algae Ulva, one of the phases produces male and female gametes known as
A
spores
B
sporophytes
C
zoospores
D
gametophytes
12) What characteristics of green plants is shared by green algae?
A
all of the above
B
multicellularity
C
cell wall composition
D
photosynthetic pigments
13) The phylum of multicellular algae most likely to be observed at great depths is
A
Phaeophyta
B
Chlorophyta
C
none of the above
D
Rhodophyta
*select an answer for all questions
Check Results & Get Answers
Play Games with the Questions Above
Teachers: Create FREE classroom games with your questions
Click for more info!
©2007-2024
ReviewGameZone.com
|
About
|
Privacy
|
Contact
|
Terms
|
Site Map
WAIT! Find what you needed?
×
Still Looking for the Answers?
Have Another Question?
Play a Review Game with These Questions?
Want to Make Your Own Test Like This One?