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Zool 120: Basic Biology 11 Question Paper

Zool 120: Basic Biology 11

Course:Bachelor Of Education Science

Institution: Kabarak University question papers

Exam Year:2013

KABARAK
UNIVERSITY
UNIVERSITY EXAMINATIONS
2012/2013 ACADEMIC YEAR
FOR THE DEGREE OF BACHELOR EDUCATION SCIENCE
(SBL)
ZOOL 120: BASIC BIOLOGY 11
DAY: MONDAY
DATE: 25/11/2013
TIME: 2.00 – 4.00 P.M. STREAM: Y1S2
INSTRUCTIONS:
Answer ALL questions IN Section A and any two from Section B
Section A (40 marks)
1. Explain the effect that each of the following will have on the quantity and
composition of urine in a mammal

(8marks)
a) Drinking large amounts of water
b) Eating a very salty meal
c) A hot dry day
d) Sleep
e) Removal of the pancreas
f) Destruction of anterior lobe of pituitary gland
g) Consuming large quantity of carbohydrates
h) Low arterial pressure

2.
a) what do you understand by the term” Double Circulation”

(2marks)

b) Describe the circulation of blood in the mammalian heart

(6marks)
3.
Explain how the body mechanisms work to:-
a) Reduce blood sugar level

(4marks)
b) Decrease body temperature

(4marks)
4.
Describe four types of epithelial tissues

(8marks)
5.
Describe energy flow through a terrestrial ecosystem

(8marks)

Section B (30marks)
6.
Discuss the biotic factors that influence distribution of organisms
(15marks)
7.
Describe the structure and function of the mammalian digestive system
(15marks)
8.
Discuss Darwin’s theory of Natural Selection

(15marks)

Zool 120: Basic Biology 11 Question Paper

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