Invertebrate Zoology (ZOOS2101)
Biological Science - BS
Semester: First Semester
Level: 200
Year: 2014
THE UNIVERSITY OF BAMENDA
FACULTY OF SCIENCE
FIRST SEMESTER EXAMINATION COURSE TITLE: INVERTEBRATE ZOOLOGY COURSE CODE: ZOOS2101
DATE: 01/03/2014 TIME: 7:30- 10:30 AM
1. Which of the following characteristics is absent in the Hydrozoa? A) Solitary B) Sessile C)
Colonial D) Free living .
2. Which of the following characteristics is absent in the Sczphozoa? A) Solitary B) Sessile C)
Colonial D) Free living
3. Which of the following characteristics is absent in the Anthozoa? A) solitary B) Sessile
C)Colonial D) Free living
4. Which kind of symmetry is present in Porifera? A)Radial B) Bilateral C) Primitive D)
spherical
5. How is reproduction in sponges done? A) Asexual B) Asexual and sexual C) Budding
D)splitting
6. The proteinaceous secretion from the Internal Lining of sponges is known as? A) Amoebocytcs
B) Spongecoel C) Amoeboid cells D) Choanocytes
7. Mesophyl is present in which of the organism? A)Sporozoans B) Hydrozoans C) Poriferans
D) Cnidarians
8. How many rays of spicules are found in Calcispongiae? A) 3-4 rays B) 6 rayed C) 1-4 spicules
D) S rayed
9. Which of the following is not a function of choanocytes? A) Gas exchange B) Reproduction
C) Feeding D) Locomotion
10. Which of the following organism do not belong to the phylum Cnidaria? A) Anemones
B)Jellyfish C) Hydra D) Squid
11. How many rays of spicules are found in Hyalospongiae? A) 3-4rays B) 6 rayed C)1-4
spicules D) S rayed .
12. How many rays of spicules arc found in Desmospongiae? A)3-4rays B)6 rayed C)1-4
spicules D)5-rayed
13. What is the shape of medusa forms? A) Umbrella shape B) Bell shape C)Tube shape
D) spherical
14. What is the shape of medusa forms? A) Umbrella shape. B) Cone shape C)Tube shape
D) spherical
15. Nematocyst is secreted by A) Cnidocyst B) Ptychocysts, C) Spirocysts D) Nematocyte
16. Which of the following characteristics do not pattern to the protozoans? A) They are
unicellular B) they have a no germ layers of tissues C) They are diploblastic D)Surface diffusion
17. What is the mode of nutrition in Protozoans? A)Saprophytic B) Free-living C)Commensal
D)Diffusion
18. Which type of symmetry is represented in this group? A)Radial symmetry B) Bilateral
symmetry C) Spherical symmetry D) Conical symmetry
19. In which group organism is the Trypanosoma found? A) Phytomastigophora B)
Zoomastigophora C) Rhizopoda D) Casioda
20. Which of-the following group of animals in Prozoans arc parasitic? A)Sarcodina B) Ciliata
C) Sporozoa D) Rhizopoda
21. In which of the phylum is photosynthetic pigments found in the animal kingdom? A)
Porifera B) Phytomastigophora C) Protozoa D) Ctenophora
22. Which of the following characteristics do not belong to the phylum porifera? A) They are all
Aquatic B) They are Sessile C) Body have pores D) Have tissue diversity
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