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Environmental Science B(Envi 201) Question Paper

Environmental Science B(Envi 201)

Course:Environmental Science

Institution: Kenya Methodist University question papers

Exam Year:2012

TIME : 2 HOURS

INSTRUCTIONS:
In section A – Answer all the questions
In section B – Answer any two questions.
SECTION A
Question One
State the worldview associated with the agricultural societies and state two major environmental consequences due to this worldview.
(3 marks)
State three realizations that led to formation of environmental movement found in the world today.
(3 marks)
Describe acid rain as a tragedy of atmospheric common.
(4 marks)
Question Two
Describe the natural green house effect.
(3 marks)
If global warming occurs, what happens to the sea level and why?

(3 marks)
State four reasons why the current sources of energy in the world are considered to the unsustainable.
(4 marks)
Question Three
State at least two safety concerns and one ethical concern of genetically modified (engineered) organisms in Kenya.
(3 marks)
Describe three main problems associated with agricultural ecosystems.
(3 marks)
Describe any four consequences of overdrawing water surface and underground water.
(4 marks)
SECTION B
Answer any two questions
Question Four
Global warming is causing changes in precipitation patterns which in return have potentially serious consequences. Explain any five such serious consequences Kenya is currently suffering due to changes in its precipitation patterns.
(10 marks)
Deforestation is one major environmental problem Kenya is facing. Explain any five consequences of this forest destruction.
(10 marks)
Question Five
"The stratospheric ozone layer is essential to life on earth" explain why?
(10 marks)
Explain why biological resources are significant to human society?

(10 marks)
Question Six
Explain how Kenya as a country can achieve sustainable use of its water.
(10 marks)
Several counties in Kenya are prone to seasonal flooding. Discuss the recommendations you would make to control these floods?
(10 marks)
Categories: Environmental Science | (ENVI 201) | 2ND TRIMESTER 2012
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Environmental Science B(Envi 201) Question Paper

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