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Cnidarian Test
Test Description: Marine Biology
Instructions: Answer all questions to get your test result.
1) Which jellyfish body form is free swimming?
A
medusae
B
polyp
2) A nematocyst is
A
a stinging cell
B
a flagellated cell
C
a sensory organ
3) Where is a nematocyst located
A
at the end of the oral arm
B
in the gastric cavity
C
at the end of the tentacle
4) Which is false?
A
only a few nematocysts are poisonous to humans
B
nematocysts are loaded with toxins
C
none of the answers are false
D
neamtocysts are similar to coiled darts
5) Which animal belongs to the phylum Cnidaria?
A
jellyfish
B
all of the animals belong to the phylum cnidaria
C
comb jellies
D
anemones
6) Cnidaria have a radially symmetrical cup or bag like body made up of two layers of calls.
A
false
B
true
7) The largest class in phylum Cnidaria is class _________________ , which includes _________________.
A
Scyphozoa, jellyfish
B
Anthozoa, corals and anemones
C
Anthozoa, jellyfish
D
Hydrozoa, siphonophore
8) Fire Corals and siphonophores are in class
A
Anthozoa
B
Protozoa
C
Scyphozoa
D
Hydrozoa
9) The portoguese man of war is in class ________________ , jellfish are in class __________________ , and box jellyfish are in class ____________
A
Hydrozoa, Scyphozoa, Cubozoa
B
Hydrozoa, Anthozoa, Scyphozoa
C
Cubozoa, Scyphozoa, Hydrozoa
D
Scyphozoa, Scyphozoa, Scyphozoa
10) Difference between comb jellies and jellyfish include (choose all that apply)
A
Comb jellies have cilia on their surface and lack the characteristic cnidarians body shape
B
Comb jellies have much more powerful stinging tentacles
C
None of the answers are correct
*select an answer for all questions
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