VERTEBRATE ZOOLOGY (ZOOS2202)
Biological Science - BS
Semester: Second Semester
Level: 200
Year: 2015
THE UNIVERSITY OF BAMENDA
UNIVERSITE DE BAMENDA
FACULTY OF SCIENCE
FACULTE DES SCIENCES
Department of Biological Sciences department des Sciences
Biologiques
P.O. Box 39 Bambili
Tell: (+237) 22 81 63 50
CONTROL ASSESSMENT (CA) 2 Hours June 2015
COURSE TITLE: VERTEBRATE ZOOLOGY COURSE CODE: ZOOS2202
PART 1
1.
Short excretory tubules of fishes derived from the ectoderm that do not open in to the
coelom derivatives but instead terminate blindly al their inner ends in flask-shaped cells are
called ___________ 1mk
2. Label the different fin types of the bony fish below. 3mks
3. Fish seed is referred to as …………..or ……………. 1mk
4. Adult sea squits have only one main chordate characteristic which is ……..1mk
5. Lampreys or eel suckers are easily distinguishable from the true eels and, indeed, from
most of the true fishes by …………..1mk
6. Name two uses of the pectoral fins of bony fishes……. 1 mk
7. Name two major fish groups that practice viviparity ……… 2mks
PART II
A- Instructions for multiple choice questions (10 marks): Right answer = 1 mark;
Wrong answer = - 0.5 mark: no answer = 0 mark. Write only the letter corresponding to
the correct answer.
1- The part of amphibian brain responsible of the sense of smell is: a) Telencephalon; b)
mesencephalon; c) rhombencephalon; d) hindbrain; e) midbrain.
2- The vocal cords of anurans are located in: a) larynx; b) the pharynx; c) the esophagus; d) the
trachea.
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3- Concerning the circulatory function of amphibians: a) the right atrium receives deoxygenated
blood from the body; b) the right atrium receives freshly oxygenated blood from the lungs; c)
The right atrium receives freshly oxygenated blood from the body.
4- When the undivided ventricle of amphibian contracts, the oxygenated pulmonary blood
enters: a) into pulmonary circuit; b) into systemic circuit; c) into both systemic and pulmonary
circuits.
5- The outer layer of turtle shell is composed of: a) bones; b) keratin; c) scales; d) both bones
and keratin.
6- Adhesive disks of reptiles digits aid them to: a) move; b) capture preys; c) cling on trees and
walls; d) walk on the floor.
7- Respiration of reptiles is exclusively done by lungs but in some aquatic turtles
pulmonaryjespiralion is supplemented by: a) skin: b) mouth: c) phary ngeal membrane; d)
gills.
8- A pair of hemipenis is specific character of a) all reptiles; b) diapsid reptiles; c) synapsid
reptiles, d) Lacerlilia and Ophidia.
9- The determination of reptile’s sex is done by: a) sex chromosomes; b) temperature within
the nest; c) autosomes and hétérochromosomes; d) sex chromosomes and temperature within
the nest.
10- The archosaurian lineage gave rise to: a) the extinct dinosaurs and the living birds; b) the
extinct crocodilians and the living birds; c) the extinct dinosaurs and the living mammals.
B-ldentify the intruder of the following lists: 2.5 marks
1- Chelonia mydas, Testudo elephantine, Gavialis gangeticus.
2- Hemidactylus mahuia, Lacerta muralis, Naja naja, Agama agama, Anguis fragilis, Varanus
niloticus.
3-
Alligator sinensis, Alligator mississippiensis, Caiman niger, Crocodilus americanus.
4- Triton, Protee, Toad, Gecko, Frog, Siren.
5- Salamander, Frog, Protee, Siren
C- Complete the following table: 3.5 marks
Characteristics
Species
Common characteristics
Specific characteristics
]
-Andrias japonicas
2- Bufo vulgaris
3- Rana esculenta
4-Rana goliath
5-Ichthyophis gentinosus
D- Short answers questions
1- Explain how the skin of amphibians is used in temperature regulation, protection, gas
exchange, and water regulation. 2 marks
2- What is the role of the oviduct of female reptile during the development of embryo? 1 mark
3- Explain how aquatic turtles manage the respiration function when they remain submerged
for long period. 1 mark
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