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Vertebrate Zoology Question Paper

Vertebrate Zoology

Course:Bachelor Of Science In Biology

Institution: University Of Nairobi question papers

Exam Year:2009

UNIVERSITY OF NAIROBI

FIRST SEMESTER EXAMINATIONS

FIRST YEAR EXAMINATIONS FOR THE DEGREE OF BACHELOR OF SCIENCE (BIOLOGY)

SZL 102: VERTEBRATE ZOOLOGY
JUNE 15, 2009 TIME 9 A.M.- 11.00 A.M.

INSTRUCTIONS

ILLUSTRATE YOUR ANSWERS WITH WELL LABELLED DIAGRAMS WHERE APPROPRIATE

ANSWER ANY TEN QUESTIONS. EACH IS 7 MARKS

1. Explain the distinguishing features of the four branches of the reptilian evolutionary
tree.

2. Briefly discuss the distinguishing characteristics of the mammals.

3. Describe the occurrence and function of the swim bladder in fish.

4. Outline the taxonomic diversity of amphibian orders.

5. State three species of marine turtles found in the Indian ocean and the threats they
face.

6. Trace the classification of man starting from the highest taxonomic unit.

7. Briefly describe the morphology of the urochordates and cephalochordates.

8. Illustrate the structure of the amniotic egg and explain how it enabled reptiles to
colonize land.

9. Explain how birds can provide ecological services and generate income to land owners.

10. Compare reproduction of hagfishes to that of lampreys.

11. Explain why the common ancestor of the chordates s believed to have been an extinct
echinoderm.

12. Explain how hormones influence courtship and territorial songs in male birds.

13. Briefly account for the unique adaptations for buoyancy and osmoregulation in the class elasmobranchii.

14. Explain with examples how bird migration can affect human livestock health.

15. Illustrate the phylogeny of the major fish groups based on their morphology.

Vertebrate Zoology Question Paper

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