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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)

Envi 201:Environmental Science 1St Trimester 2014 Question Paper

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