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WorksheetsPorifera and Cnidaria Quiz
Total questions: 24
Worksheet time: 21mins
Name
Class
Date
1.
The hard "skeleton" structures in a sponge are called...
a)
Spongin
b)
Spicules
c)
Amebocytes
d)
Pinococytes
2.
What kind of symmetry does a Cnidarian have?
a)
No Symmetry
b)
Bilateral Symmetry
c)
Radial Symmetry
d)
Square
3.
What type of symmetry do sponges (Porifera) have?
a)
asymmetrical
b)
radial
c)
bilateral
d)
both radial and asymmetrical
4.
What phylum has two different forms that exist which are called the medusa and the polyp?
a)
Phylum Porifera
b)
Phylum Cnidaria
c)
Phylum Platyhelminthes
d)
Kingdom Animalia
5.
Which of the following is a correct description of the Cnidarian digestive tract?
a)
A complete digestive tract consisting of two openings.
b)
A complete digestive tract consisting of one opening
c)
An incomplete digestive tract consisting of two openings.
d)
contains only a mouth and an internal cavity.
6.
Which part of the sponge body is a large opening at the top of the central cavity through which water leaves the sponge?
a)
Ostia
b)
Meenchyme
c)
Spongecoel
d)
Osculum
7.
What kind of feeders are Cnidarians?
a)
autotrophic
b)
mostly carnivorous with some filter feeders
c)
omivores
d)
only filter feeders
8.
What phylum of invertebrates does the following picture belong?
a)
Platyhelminthes
b)
Cnidaria
c)
Porifera
d)
Mollusca
9.
What type of sponge does the following diagram belong?
a)
Leuconoid sponge
b)
Syconoid sponge
c)
Asconoid sponge
d)
Sponge Bob type
10.
What phylum of invertebrates does the following picture belong?
a)
Cnidaria
b)
Porifera
c)
Platyhelminthes
d)
Animalia
11.
What group of Cnidarian does the following image belong?
a)
jellyfish
b)
coral
c)
sea anemone
d)
hydrozoan
12.
The structure of a sponge that attaches to the rocks and other substrate is called a/an ________________________?
a)
holdfast
b)
false foot
c)
root
d)
spicule
13.
Tentacles contain cnidoblasts that hold/secrete coiled thread with an attached barb called a ...
a)
nematocyst
b)
spicule
c)
ectoderm
d)
spirocyst
14.
The image represents a nematocysts which Cnidarians use to subdue their prey. What is the name of the specialized cell that secretes the nematocyst?
a)
cnidocyst
b)
barb capsule
c)
gastroblast
d)
nematocyst
15.
What phylum does this animal belong in the image?
a)
Platyhelminthes
b)
Cnidaria
c)
Porifera
d)
Plantae
16.
Instead of a brain or central nervous system, jelly fish have what in place to help them respond to the environment.
a)
Stinging Cells
b)
Nerve Net
c)
Nematocysts
d)
Chloroplast
17.
Jellyfish can reproduce
a)
sexually only
b)
asexually only
c)
both sexually and asexually
d)
neither sexually or asexually
18.
What do organisms from the phylum Porifera eat?
a)
small marine fish
b)
plankton,bacteria, and detritus
c)
choanocytes
d)
krabby patties
19.
About how many species of Cnidaria are divided between 3 different classes?
a)
2,500
b)
1,000
c)
25,000
d)
10,000
20.
The phyla Porifera and Cnidaria all have what method of respiration in order to obtain oxygen?
a)
diffusion through a membrane/body wall
b)
gas exchange through a lung type organelle
c)
gas exchange through a specialized organ
d)
diffusion through the blood of a host
21.
What kingdom do invertebrates such as the Porifera and Cnidaria belong?
a)
Plantae
b)
Animalia
c)
Fungi
d)
Porifera
22.
Sponges can reproduce asexually through a process called __________________.
a)
budding
b)
regeneration only
c)
fusion
d)
amphiblastula
23.
A flexible, fibrous material that can make up the skeleton of a sponge?
a)
spicule
b)
spongin
c)
grass sponge
d)
spongocoel
24.
What are some predators to the sponge population?
a)
sea turtle
b)
fish
c)
sea slug/nudibranch
d)
all of the above
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