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Envi 201: Environmental Science Question Paper
Envi 201: Environmental Science
Course: Environmental Science
Institution: Kenya Methodist University question papers
Exam Year:2020
END OF 1st TRIMESTER 2017 (PART-TIME) EXAMINATION
SCHOOL : SCIENCE AND TECHNOLOGY
DEPARTMENT : PURE AND APPLIED SCIENCES
UNIT CODE : ENVI 201
UNIT TITLE : ENVIRONMENTAL SCIENCE
TIME : 2 HOURS
INSTRUCTIONS
• Answer All Questions in section A and any two questions from section B.
SECTION A: 30 Marks - Answer ALL the questions
Question One
a. Define environment and describe types of natural environments
(3 Marks)
b. Describe three effects of overdrawing of surface waters (3Marks)
c. Explain the main ways of regulating the commons (4 marks)
Question Two
a. Explain the long term problems associated with industrialized agriculture (3 Marks)
b. Explain the importance of the stratospheric ozone layer to life on Earth? (3 marks)
c. Explain four effects of excessive air pollution on plants (4 Marks)
Question Three
a. Explain the concept of “sustainability” and how does its goals differ from previous goals under industrialization? (4 Marks)
b. Explain three major ecological services provided by rivers and streams (3 marks)
c. Explain the effects of human overpopulation on health (3 Marks)
Section B – 40 Marks - Answer any two questions
Question Four
a. Discuss the importance of biological diversity. (10 marks)
b. Discuss the most practical ways of reducing municipal water demands (10 Marks)
Question Five
a. Define deforestation and discuss four human activities causing deforestation in Kenya (10 marks)
b. Discuss five practical ways to control the current water pollution in Nairobi, Kenya. (10 Marks)
Question Six
a. Explain food insecurity and discuss the main causes of food insecurity in Kenya. (10 Marks)
b. Discuss how Kenya is controlling extinction of wildlife. (10 marks)
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