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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:
Answer all questions in section A and any two questions in section B.
SECTION A
Question One
"Natural wilderness, species and resources were limited and not infinite as believed to be." Describe three actions that the American Government took on this realization.
(3 marks)
Describe three practical approaches that have been employed to curb wildlife extinction in Kenya.
(3 marks)
Explain four effects of the industrial-scientific worldview on the environment.
(4 marks)

Question Two
Explain three long term problems associated with industrialized agriculture in Kenya.
(3 marks)
Describe three effects global warming is having on agriculture as witnessed in Kenya.
(3 marks)
Describe how in polar ice would amplify or dampen global warming.

(4 marks)
Question Three
State three reasons why the current sources of energy in the world are considered to be unsustainable?
(3 marks)
Explain how the "consumptive uses" of water impact on the water sources and state two ways in which the impact can be prevented.
(3 marks)
Recycling is the reprocessing of discarded materials into new, useful products. Explain four benefits your country government would achieve by recycling its waste materials.
(4 marks)

SECTION B
Question Four
Discuss five major human activities related to the rapidly growing world populations that are having an impact on Earth’s biodiversity.
(10 marks)
Explain any five ways in which a warmer global climate could have on human health.
(10 marks)

Question Five
In the latest population census, the Kenyan population is estimated to be over forty million. Explain six major environmental impacts of this population?
(12 marks)
Explain four major harmful effects of acid deposition.
(8 marks)

Question Six
Kenya today is faced with acute water shortage, as an expert discuss five major causes of this water shortage, giving a solution for each cause.
(10 marks)
Define deforestation and discuss four human activities that led to deforestation destruction in Kenya.
(10 marks)

Environmental Science B(Envi 201) Question Paper

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