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EBD601S - EVOLUTION AND BIOLOGICAL DIVERSITY - 1st Opp - JUNE 2022 |
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NAMIBIA UNIVERSITY
OF SCIENCE AND TECHNOLOGY
FACULTY OF HEALTH, APPLIED SCIENCES AND NATURAL RESOURCES
DEPARTMENT OF NATURAL AND APPLIED SCIENCES
QUALIFICATION: BACHELOR OF SCIENCE
QUALIFICATION CODE: 07BOSC
COURSE CODE: EBD601S
LEVEL: 6
COURSE NAME: EDVIVOELRUSTIITOYN AND BIOLOGICAL
SESSION: JUNE 2022
DURATION: 3 HOURS
PAPER: THEORY
MARKS: 100
FIRST OPPORTUNITY EXAMINATION QUESTION PAPER
EXAMINER(S) | DR JEYA KENNEDY
MoperatTor: | MR MUNYARADZI ZIVUKU
INSTRUCTIONS
Write clearly and neatly
Number the answers clearly
All written work MUST be done in blue or black ink
No books, notes and other additional aids are allowed
Mark all answers clearly with their respective question
Draw diagrams wherever necessary
numbers
PERMISSIBLE MATERIALS
None
THIS QUESTION PAPER CONSISTS OF 3 PAGES
(Including this front page)
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QUESTION 1:
Fill in the blanks
[5]
1.1
Arachnids have simple eyes called
.
(1)
1.2
Fish whose eggs stay within the mother are called
.
(1)
1.3
Specialized
cells to remove wastes for the flatworm.
(1)
1.4‘ The water vascular system of echinoderms opens to the environment through the
(1)
1.5
What is the yolk in bird called
?
(1)
QUESTION 2:
Define the following terms
[5]
2.1 Placoid scale
(1)
2.2 Corona
(1)
2.3 Ctenes
(1)
2.4 Pedipalp
(1)
2.5 Cranium
(1)
QUESTION 3:
Distinguish between the pairs of the following terms
[6]
3.1 Cnidocyte; colloblast
(2)
3.2
Tube foot; ampulla
(2)
3.3. Carapace; plastron
(2)
QUESTION 4:
One sentences answers
[9]
4.1
Name the first animals (phylum) that have true body cavity.
(1)
4.2 Which of the mollusk classes are filter feeders?
(1)
4.3
Book lung is a characteristic of which Phylum?
(1)
4.4 Which animal phylum is commonly called as sea anemone?
(1)
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4.5
Rotifera are commonly known as what?
(1)
4.6 Which animal phylum is considered to be first triploblastic animals?
(1)
4.7
Name the mollusks without a shell.
(1)
4.8 What are placental mammals called scientifically?
(1)
4.9 Water vascular system is a peculiar feature of which phylum?
(1)
QUESTION 5:
Short questions
[10]
5.1 Draw the structure of choanocytes in a sponge and label its part.
(3)
5.2 What are the three order of reptiles and give example of each?
(3)
5.3
In tabular form, mention the difference between the frog and toad.
(4)
QUESTION 6:
Longer questions
[35]
6.1 Tabulate the main differences between shark and ray fish.
(5)
6.2
Compare and contrast between Planarians and Tapeworms. Your results should be
presented in tabular form.
(10)
6.3
Explain the external aperture of earthworm with diagram.
(10)
6.4 Sketch the flow chart of Phylum Chordata Classification with example.
(10)
QUESTION 7:
Essay questions
[30]
val In a tabular column form distinguish among arthropod subphyla mandibulate and
give two examples of animals that belong to each group.
(12)
Tuk Outline the various types and form of feathers found on the wing of the bird.
THE END
(18)