Course: Szl 304 - Comparative Physiology Question Paper
Course: Szl 304 - Comparative Physiology
Course:Bachelor Of Education (Science)
Institution: Jaramogi Oginga Odinga University Of Science And Technology question papers
Exam Year:2014
JARAMOGI OGINGA ODINGA UNIVERSITY OF SCIENCE
AND TECHNOLOGY
SCHOOL OF BIOLOGICAL AND PHYSICAL SCIENCES,
FIRST SEMESTER EXAMINATION FOR THE DEGREE OF BACHELOR OF SCIENCE, BACHELOR OF SCIENCE IN BIOLOGY AND BACHELOR OF EDUCATION (SIENCE) 2013/2014 ACADEMIC YEAR
COURSE: SZL 304 - COMPARATIVE PHYSIOLOGY
SECTION A [30 MARKS]
Answer ALL questions in Section A
(a) State the four main classes of organic compounds in the body. [1 mark]
(b) Differentiate between anabolism and catabolism. [1 mark]
(c) Explain the mechanisms by which endothermic and ectothermic organisms
regulatetheir body temperature. [2 marks]
What are the functions of ceacum and appendix in digestion? [2 mark]
(a) List the three formed elements of the blood, giving examples of each. [3 mark]
Explain the term basal metabolic rate (BMR). [1 marks]
Differentiate between essential amino acids and non-essential amino acids. [4 marks]
Explain the terms acidosis and alkalosis. [2 mark]
In multicellular organisms, what it is the term given to cells similar in
structure andfunction grouped together into functional masses? [1 mark]
State any four organ systems of the body. [2 marks]
Explain any three (3) adaptations of desert mammals to water scarcity. [3 marks]
Differentiate between smooth muscles and striated muscles. [1 mark]
Show diagrammatically, how the principle of negative feedback mechanism
works in mammals. [4 marks]
State the three components of a negative feedback mechanism. [3 marks]
SECTION B [40 MARKS]
Answer any TWO questions in Section A
Discuss briefly the following aspects of digestion:
Roles of the liver in nutrition. [8 marks]
Three adaptations to nutrition. [6 marks]
Composition and functions of the bile. [6 marks]
a) Give a schematic outline and a detailed description the stages in the exchange
of respiratorygases in mammals. [10 marks]
b) How is carbon dioxide transported in the mammalian body?
Explain, giving examples, the role(s) of haemoglobin in material transport. [10 marks]
a) Discuss in detail the three stages of the process of urine formation. [10 marks]
b) Identify and discuss an example of adaptation of desert animals
to water scarcity. [10 marks]
Outline and discuss the processes involved in mammalian nutrition. [20 marks]
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