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Nar0141:Ecology And Environmental Science Question Paper

Nar0141:Ecology And Environmental Science

Course:Diploma In Agriculture

Institution: Meru University Of Science And Technology question papers

Exam Year:2011

QUESTION ONE – 30 MARKS
a) Describe the constituents of the atmosphere. (5 Marks) b) Describe five biotic factors in an ecosystem. (10 Marks) c) Explain the role of decomposers in an ecosystem. (5 Marks) d) Explain the various physiological and anatomical adaptations of herbivores to their diet. (7 Marks) e) Complete the following dental formulae given; (3 Marks) i. 1/1,0/0,2/1,x/3=22 ii. 3/y,1/1,4/4,2/3=42 iii. 2/0,1/1,2/2,3/3=w
QUESTION TWO (15 MARKS)
a) Describe the composition of municipal solid waste. (8 Marks) b) Discuss the role of underdevelopment in environmental degradation. (7 Marks)
QUESTION THREE (15 MARKS)
Describe the effects of global climate change across the various sectors of a country’s economy. (15 Marks)
QUESTION FOUR (15 MARKS)
Discuss the causes, effects and control of soil pollution. (15 Marks)
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QUESTION FIVE (15 MARKS)
a) Discuss the general pattern of biological population growth of organisms that are introduced in a new environment. (10 Marks) b) Discuss the measures taken to stop the ozone depletion process. (5 Marks)

Nar0141:Ecology And Environmental Science Question Paper

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