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) 3RD TRIMESTER 2012
KENYA METHODIST UNIVERSITY
END OF 3''RD ''TRIMESTER 2012 (DAY) 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 Questions in Section B.
SECTION A
Question One
Draw and label the vertebrate pentadactyl limb plan.
(3 Marks)
Draw the evolutionary tree of vertebrates.
(3 Marks)
"Ontogeny recapitulates phylogeny". Explain this statement as used in vertebrate zoology.
(3 Marks)
Question Two
Discuss FOUR advantages vertebrates have over invertebrates.
(8 Marks)
Discuss SIX amphibian features not seen in bony fishes.
(6 Marks)
Question Three
The dinosaurs got extinct about 60 million years ago. What factors led to this disappearance.
(3 Marks)
Discuss the source of efficiency for gaseous exchange in pisces.
(4 Marks)
SECTION B
Question Four
Describe the distinctive traits that set the chordates apart from the rest of the animals.
(10 Marks)
Discuss the fate of Notchord in various vertebrates.
(10 Marks)
Question Five
Discuss adaptive radiation displayed by the class pisces to conquer their environment.
(15 Marks)
Give FIVE differences between fishes and reptiles.
(5 Marks)
Question Six
Discuss the distinctive characteristics of mammals.
(10 Marks)
Outline factors that have led to aves success in flight.
(10 Marks
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