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Zool 230: Verterbrate Anatomy And Physiology Question Paper

Zool 230: Verterbrate Anatomy And Physiology

Course:Bachelor Of Science In Agricultural Education And Extension

Institution: Egerton University question papers

Exam Year:2016

EGERTON UNIVERSITY EXAMINATIONS
REGULAR-NJORO CAMPUS

SECOND SEMESTER;2015/2016 ACADEMIC YEAR

SECOND YEAR EXAMINATION DEGREE OF BARCHELOR OF SCIENCE IN AGRICULTURAL education AND EXTENTION

ZOOL 230:VERTERBRATE ANATOMY AND PHYSIOLOGY

STREAM:BSc.(AGED)

EXAMINATION SESSION:April

TIME:2hrs
INTRUCTIONS
(i) Answer ALL questions in section A and only ONE in section B
(i)Do not write on the question paper
(i)Show your working clearly

SECTION A (50MARKS)

Question One
Citing an example,explain the following terms and concepts as used in zoology:

(i) Pulmonary circuit. (2Marks)
(ii) Metanephric kidney. (2Marks)
(iii)Hibernation. (2Marks)
(iv) Dinosaurs. (2marks)
(v)Jacobson''s organs. (2marks)

Question Two

Outline the;
(i)progressive evolutionary adaptation to life on land and other niches seen in verterbrates. (4marks)
(i)Various breathing mechanisms among class reptilia. (4marks)
(iii)Modes of feeding in Enteropneusta. (2marks)

Question 3
Outline the structural and physiological characteristics of subclass
i.Monotrema. (5marks)
ii.Marsupials. (5marks)

Question Four
Describe the structural differences between
i.Chondrichthyes and Osteichthyes. (6marks)
ii.Bowfins and Gars. (4marks)
Qustion Five
Describe

i.the changes that occurs in tetrapods during metamorphosis. (8marks)
ii.how amphibians have overcome the challenge of dehydration and reproduction on land. (2marks)

SECTION B (20MARKS)

Question Six
Describe the respiratory system in mammals. (20marks)

Questio Seven
Discuss the physiological processes of digestion and absorption of food in birds. (20marks).

Zool 230: Verterbrate Anatomy And Physiology Question Paper

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