Biology 11
Animal Kingdom Porifera and Cnidaria -Quiz
Name: _________
Part A -Multiple choice questions (14 marks). Do not write on this. Use scantron to answer
1. Animals are ___________
a. heterotrophic by ingestion
b. motile
c. multicellular eukaryotes
d. all of the above
2. Generally, the number of germ layers seen in most animals
a. One
b. Two
c. Three
d. four
3. The body walls of sponges contain ___________
a. numerous pores
b. cilia
c. spines
d. both B&D
4. The ________of a sponge trap(s) food particles and digest(s) them within food vacuoles
a. collar cells or choanocytes
b. osculum
c. spicules
d. amoeboid cells
5. Sponges feed by:
a. pinocytosis
b. phagocytosis
c. water (filter) feeding
d. endocytosis
6. An invertebrate is an animal with
a. no backbone
b. a backbone
c. only sexual reproduction
d. only asexual reproduction
7. Skeletal structures found in phylum Porifera are the:
a. Mesoglea
b. Endoderm
c. Spicules
d. Amoebocytes
8. Food in the sponge is drawn in through the:
a. Mouth
b. Collar cells
c. Incurrent pores
d. Osculum
9. The sequence which reflects the life cycle of a jellyfish (from its adult form) is:
a. Polyp  medusa  larvae
b. Medusa  larvae  polyp
c. Larvae  medusa  polyp
d. Polyp  larvae  medusa
Biology 11
Animal Kingdom Porifera and Cnidaria -Quiz
Name: _________
10. Nematocysts can be found in:
a. Crayfish
b. Clams
c. Sponges
d. Hydra
11. Which form of a cnidarian is shown in the illustration below?
a. polyp
b. archaeocyte
c. medusa
d. mesoglea
12. The digestive chamber of a cnidarian is called the
a. nematocyst
b. osculum
c. gastroderm
d. gastrovascular cavity.
13. What is the name for a group of sensory cells that helps a cnidarian determine the
direction of gravity?
a.
b.
c.
d.
statocysts
blastulas
nerve net
ocelli
14. What allows cnidarian polyps to expand, shrink, and move their tentacles?
a.
b.
c.
d.
hydrostatic skeleton
choanocytes
archaeocytes
internal fertilization
Biology 11
Animal Kingdom Porifera and Cnidaria -Quiz
Name: _________
Part B -Written responses (12 marks)
15. Match the description with the terms (8 points)
Description
1. ____Sponges regenerate
2. ____Sponge symmetry
3. ____Sponge phylum
4. ____large hole on the top of a sponge
5. ____Sponges are
6. ____the inner lining of
gastrovascular cavity
7. ____ Eyespots that detect light
8. ____ Medusa
Term
A. sessile
B. Ocelli
C. asymmetry
D. Jelly fish
E. gastroderm
F. Osculum
G. Porifera
H. asexually
16. The diagram below shows the life cycle of a jellyfish. Use the key words to label the
cycle and complete the blanks (Polyp, medusa, larva, polymorphism) (4 marks)
It shows the organism changing from __________ form (at A) to a _______
form (at B) then reproducing to form a _________ (at C). The changing of
forms is referred to as ___________