Zool 105:Vertebrate Zoology Question Paper
Zool 105:Vertebrate Zoology
Course:Agriculture
Institution: Kenya Methodist University question papers
Exam Year:2012
VERTEBRATE ZOOLOGY (ZOOL 105) 1ST TRIMESTER 2012
KENYA METHODIST UNIVERSITY
END OF 1''st ''TRIMESTER 2012 EXAMINATIONS
FACULTY : SCIENCE & TECHNOLOGY
DEPARTMENT : PURE & APPLIED SCIENCES
UNIT CODE : ZOOL 105
UNIT TITLE : VERTEBRATE ZOOLOGY
TIME : 2 HOURS
Instructions: Answer ALL questions in SECTION A and any TWO from SECTION B.
SECTION A: ANSWER ALL QUESTIONS (30 MARKS)
Question One
Apart from the THREE main chordate characters discuss THREE other characteristics.
(3 Marks)
Discuss TWO advantages that bones have over cartilage.
(2 Marks)
Explain the feeding mechanisms exhibited by the class cyclostomata.
(2 Marks)
Identify one major difference between agnathans and gnathostomatans.
Describe defense mechanisms exhibited by the sub-order ophidia.
(2 Marks)
Question Two
Write short notes on gaseous exchange in the class pisces.
(2 Marks)
Identify the various organs involved in amphibian respiration.
(3 Marks)
Describe defense mechanisms exhibited by the sub-order crocodilia.
(3 Marks)
List down THREE differences between amphibians and reptiles.
(3 Marks)
Question Three
Differentiate between intraclass metatheria and Euthenia.
(2 Marks)
Identify THREE distinguishing features of osteichthyes.
(3 Marks)
Write short notes on the care of the young as seen in birds.
(3 Marks)
Differentiate between Aestivation hibernation.
(2 Marks)
SECTION B: Answer any TWO (40 Marks)
Question Four
Describe the various morphological, physiological and behavioural adaptations made by the class pisces to live in their environment. (20 Marks)
Question Five
Explain in details how the amphibians have adapted to their duo habitat.
(10 Marks)
Discuss using examples, characteristics of boarderline chordates that make them be classified as chordates.
(10 Marks)
Question Six
(b) Compare the sub-order lacetilia with sub-order ophidia. (10 Marks)
What adaptations have the class aves made inorder to be successful in flight.
(10 Marks)
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