Ensc 0100: Introduction To Environmental Science Question Paper
Ensc 0100: Introduction To Environmental Science
Course:Diploma In Horticulture And Dairy Technology
Institution: Egerton University question papers
Exam Year:2016
SECTION A: ANSWER ALL QUESTIONS
QUESTION ONE
Define the following terms (10 Marks)
(a) Environmental science
(b) Biota
(c) Biodiversity
(d) Resource
(e) Trophic level
QUESTION TWO
Differentiate between the following: (10 Marks)
(a) Organism and community
(b) Micro and macro consumers
(c) Grazers and Detritus food chains
(d) Cyclic perpetual resources
(e) Ecology and ecosystem
QUESTION THREE
Write short notes on the following (10 Marks)
(a) Adaptation of plants in tropical desert ecosystems
(b) Routes of exposure to toxicants in the environment
(c) Renewable biological resources
(d) Role of fire in savannah grasslands
QUESTION FOUR
(a) Briefly explain any two possible mitigation measures for acid precipitation (4 Marks)
(b) Briefly describe the occurrence of natural greenhouse effect. (3 Marks)
(c) Explain three vertical thermal structure of the atmosphere. (3 Marks)
SECTION B: ANSWER ANY TWO QUESTIONS
QUESTION FIVE
Discuss sustainable development, its concerns and constrains in sub-Saharan Africa. (15 Marks)
QUESTION SIX
Cite and explain environmental and social consequences of rapid population growth (15 Marks)
QUESTION SEVEN
Discuss global warming effects and mitigation measures (15 Marks)
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