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Envi 201: Environmental Science Question Paper

Envi 201: Environmental Science

Course:Agriculture And Natural Resource

Institution: Kenya Methodist University question papers

Exam Year:2013

INSTRUCTIONS: Answer ALL questions in section A and Any Two in section B
SECTION A (30 MARKS)
Question one
a) Explain how carbon dioxide and the ozone layer in the atmosphere are important to life. (4 marks)
b) Describe THREE effects of global warming on the hydrological cycle(3 marks)
c) Describe acid deposition as a tragedy of atmospheric common. (3 marks)

Question two
a) Describe FOUR ecological services of rivers and streams. (4 marks)
b) Define “tragedy of commons” and explain two tragedies associated with the biosphere? (3 marks)
c) Describe THREE main effects of the industrial scientific worldview on the environment.(3 marks)
Question three
a) Explain food insecurity and state any two conditions that must be fulfilled to ensure food security. (4 marks)
b) Describe THREE long term problems associated with industrialized agriculture in Kenya. (3 marks)
c) Describe THREE effects global warming is having on agriculture as witnessed in Kenya. (3 marks)
SECTION B (40 MARKS)
Question four
a) Discuss FIVE specific environmental problems relating to the development process in Kenya. (10 marks)
b) Explain any FIVE major causes of the acute water shortage being experienced in many parts of Kenya currently. (10 marks)
Question five
a) Explain any FIVE factors that contribute to human, population increase or explosion in developing countries. (10 marks)
b) Explain FIVE human activities related to the rapidly growing world human populations that are having an impact on earth’s biological resources today. (10 marks)
Question six
a) Kenya faced with acute forest destruction. Explain any FIVE consequences of this forest destruction. (10 marks)
b) Recycling is the reprocessing of discarded materials into new, useful products. Explain FIVE benefits your county government would achieve by recycling its waste materials. (10 marks)

Envi 201: Environmental Science Question Paper

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