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Envi 201: Environmental Science Question Paper

Envi 201: Environmental Science

Course:Bachelor Of Education

Institution: Kenya Methodist University question papers

Exam Year:2015

ENVIRONMENTAL SCIENCES (ENVI 201) 3RD TRIMESTER 2015
KENYA METHODIST UNIVERSITY

END OF 3'RD 'TRIMESTER 2015 (SB) EXAMINATION

FACULTY : EDUCATION, ARTS AND SCIENCES
DEPARTMENT : PURE & APPLIED SCIENCES
UNIT CODE : ENVI 201
UNIT TITLE : ENVIRONMENTAL SCIENCES
TIME : 2 HOURS

Answer all the questions in section A and any two in section B

SECTION A

Answer all questions

Question One

State the ecological definition of environment and describe two types of natural environments.
(3 marks)
Describe three consequences of overdrawing of both surface and underground water.
(3 Marks)
State four major ways of regulating the commons.
(4 Marks)
Question Two

Describe any three long term problems associated with industrialized agriculture.
(3 Marks)
Explain the significances of the ozone layer in the atmosphere to life on earth.
(3 Marks)
Describe four effects of excessive air pollution on plants.
(4 Marks)
Question Three

Name three greenhouse gases and state one major anthropogenic source for each.
(3 Marks)
State three reasons why current sources of energy in the world are considered to be unsustainable.
(3 Marks)
Explain the effects of human overpopulation on health.
(4 Marks)
SECTION B: 40 marks -'''answer any two questions

Question Four

Explain five ways by which various countries are using to control extinction of wildlife.
(10 marks)
Define deforestation and discuss four human activities that are causing deforestation in Kenya.
(10 Marks)
Question Five

Discuss five ways in which the current water pollution in Kenya would be controlled.
(10 marks)
What food insecurity and explain eight causes of food insecurity in Kenya?
(10 marks)
Question Six

Discuss five significances of biological diversity.
(10 Marks)
Explain five practical ways, how municipal water demands can be reduced.
(10 marks)
Categories: ENVIRONMENTAL SCIENCES | (ENVI 201) | 3RD TRIMESTER 2015
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Envi 201: Environmental Science Question Paper

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