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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