Envi 201:Environmental Science 1St Trimester 2014 Question Paper
Envi 201:Environmental Science 1St Trimester 2014
Course:Environmental Science
Institution: Kenya Methodist University question papers
Exam Year:2014
ENVIRONMENTAL SCIENCE B(ENVI 201) 1ST TRIMESTER 2014
KENYA METHODIST UNIVERSITY
END OF 1'ST 'TRIMESTER 2014 (SB) EXAMINATION
FACULTY : EDUCATION AND SOCIAL SCIENCES
DEPARTMENT : EDUCATION
UNIT CODE : ENVI 201
UNIT TITLE : ENVIRONMENTAL SCIENCE
TIME : 2 HOUR
INSTRUCTIONS
Answer all questions in section A and any two in Section B
SECTION A: 30 MARKS
Answer all the questions
Question One
Describe the major three environmental problems due to rapid human population increase
(3 Marks)
Define "Tragedy of commons" and explain three tragedies associated with the atmosphere
(4 Marks)
Explain three best care practices necessary for all consumer products containing ozone depleting substances in use in air homes or offices
(3 marks)
Question Two
Describe four effective strategies of regulating the commons
(4 Marks)
Define the term producer and two main categories of producers common in natural ecosystem
(3 Marks)
What are wetlands and explain two of their roles in hydrologic cycle
(3 marks)
Question Three
Explain three consequences of overdrawing surface waters
(3 marks)
Describe four consequences of the massive deforestation occurring in Kenya
(4 Marks)
Explain the effects of human overpopulation on human health
(3 Marks)
SECTION B: 40 MARKS
Answer any two questions
Question Four
Explain five ways through which the huge water loss through runoffs can be reduced
(10 Marks)
Discuss five ways in which a warmer global climate could have on human health
(10 marks)
Question Five
Define deforestation and discuss four human activities that are the main causes of deforestation in Kenya
(10 Marks)
Discuss how Kenya is gearing towards creation of sustainable agriculture
(10 marks)
Question Six
Discuss five ways in which the current industrialized nations practices with regard to the natural environment is considered unsustainable
(10 Marks)
As an expert explain five approaches that Kenya would adopt to reduce acute water shortage
(10 Marks)
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