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Envi 201:Environmental Science Question Paper

Envi 201:Environmental Science

Course:Education

Institution: Kenya Methodist University question papers

Exam Year:2013

KENYA METHODIST UNIVERSITY

END OF 2''ND ''TRIMESTER 2013 (SB) EXAMINATION
FACULTY : EDUCATION AND SOCIAL SCIENCES
DEPARTMENT : EDUCATION
UNIT CODE : ENVI 201
UNIT TITLE : ENVIRONMENTAL SCIENCE
TIME : 2 HOURS

INSTRUCTIONS

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

SECTION A – 30 Marks

Question One

Define the following terms as used in environmental science?

(4 Marks)

Worldview
Sustainability
Sustainable development
Environmental ethics

State three conditions under which a country would achieve sustainable economic development as supported by environmental wisdom worldview

(3 Marks)

"Natural resources are limited and not infinite." Explain three actions that the American government took upon this realization.

(3 Marks)

Question Two

State four effective ways the county government would adapt to reduce outdoor air pollution in their towns

(4 Marks)

Explain the importance of the ozone layer in the atmosphere to life on earth.

(3 Marks)

Describe three effects of stratospheric ozone depletion on ecosystems.

(3 Marks)

Question Three

Illustrate and describe the logistic population growth curve

(4 marks)

Describe three main ways in which human population growth in the world is negatively impacting the earth’s biological diversity

(3 marks)

In brief, explain three consequences of overdrawing of the surface water.

(3 Marks)

SECTION B – 40 MARKS

Answer any two questions

Question Four

Define deforestation and discuss four human activities that are causing deforestation in Kenya.

(10 marks)

Many rivers in Kenya are experiencing increasing pollution. Discuss five practical ways that would control the current water pollution in Kenya.

(10 marks)

Question five

Explain four approaches that can be employed to regulate the commons and give their individual weaknesses.

(10 Marks)

Explain five ways in which current global climate change is affecting human health.

(10 marks)

Question Six

Explain five practical ways by which global warming may be mitigated.

(10 marks)

Define food security and explain four major causes of food insecurity in Kenya.

(10 marks)

Envi 201:Environmental Science Question Paper

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