INVERTEBRATE ZOOLOGY (ZOOS2101)

Biological Science - BS

Semester: First Semester

Level: 200

Year: 2013

Answers (200 )
REPUBLIC OF CAMEROON REPUBLIQUE DU CAMEROUN
Peace-Work-Fatherland Paix-Travail-Patrie
THE UNIVERSITY OF BAMENDA UNIVERSITE DE BAMENDA
FACULTY OF SCIENCE FACULTE DES SCIENCES
P.O. Box 39 Bambili
Tell: (+237) 22 81 63 50
COURSE TITLE: VERTEBRATE ZOOLOGY, COURSE CODE: ZOOS 2202
LECTURERS: DR. YANA, MME EBANGA VENUE: LC 09
DATE: 9TH JULY 2013 TIME :
SECTION A: 10 mks
1) The class Aves is divided into two subgroups.
a) Name them: ………………………………………………………………… 2mks
b) Give three differences between the old birds And the new birds. ……………..3mks
2) The body of birds are covered by feathers.
a) Name the two types of feathers, giving an example of each. …………………..2mks
b) What two problems must birds solve in order to fly? …………………………...2mks
c) What is the advantage of excreting uric acid in birds? …………………………. 1mk
SECTION B: 10 mks
A-Instructions for multiple choice questions: Right answer = 0.5 mark; Wrong answer = - 0.25
mark; no answer = 0 mark.
1- Metamorphosis of amphibians is:
a) a series of abrupt structural, physiological and anatomic changes that transform a larva into an adult;
b) a series of abrupt structural, physiological and behavioral changes that transform a larva into an
adult;
c) a series of abrupt structural, physiological and behavioral changes that transform a egg into an adult;
2) The mixing of oxygenated and deoxygenated blood across the incompletely separated ventricle of
Reptiles is prevented by:
a) an atrioventricular valve; b) bicuspid valve; c) tricuspid valve.
3) The species Rana goliath belong into:
a) Hemichordata group; b) Chordata group; c) Echinodermata group.
4) The sex of the hatchings for Reptiles is influenced by:
a) temperature within the nest; b) sex chromosomes; c) male spermatozoa.
5) Rhombencephalon is:
a) Forebrain of amphibians; b) hindbrain of amphibians; c) midbrain of amphibians.
B- Identify the intruder of the following lists: 2.5 marks
a) Lampreys, shark, mackerel, toad, lizard, pelican, dog.
b) Python sehae, Boa constrictor, Varanus niloticus, Naja naja, Vipera.
c) Salamander, toad, protec, siren.
d) Turtles, crocodiles, alligators, caimans, gecko, chameleon, pythons, boas, vipers.
e) Crocodile, frog, hen, tortoise, viper, cow, pigeon, bat, human.
C-Complete the following table: 5 marks
Characteristics
species
Common characteristics Specific characteristics
1- salamander
2- Toad
3-Frog
4-Tortoise
5-Crocodile
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