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Szl 103: Fundamentals Of Ecology (Aquatic Component) Question Paper

Szl 103: Fundamentals Of Ecology (Aquatic Component)

Course:Fundamentals Of Ecology

Institution: University Of Nairobi question papers

Exam Year:2013

UNIVERSITY OF NAIROBI
SCHOOL OF BIOLOGICAL SCIENCES
SZL 103: FUNDAMENTALS OF ECOLOGY (AQUATIC COMPONENT) CAT
CONTINUOUS ASSESSMENT TEST
Name: Registration number:
INSTRUCTIONS: ANSWER ALL QUESTIONS
1. List the types of aquatic ecosystems and give their salinities (3 marks)
2. Illustrate diagrammatically, the physio graphic division of oceans (14 marks)
3. List the functions of riparian vegetation on the littoral zones of fresh water lakes (2 marks)
4. a) define the hydrological cycle (1 mark)
b) Outline two reasons for the importance of water in nutrient cycling (2 marks)
5. a) name any two bacterial species and two blue green algae species which fix nitrogen (4 marks)
b) list any one importance of the following elements in organisms (5 marks)
Potassium
Zinc
Copper
Iron
Sulphur
6 a) give the pH, temperature and red-ox potential potential of a full oxygenated lake water (3 marks)
7. define the following terms (5 marks)
Oligotrophic
Polymictic
Oligomictic
Amictic
Meromictic
8 a) define the term ‘Bog’ (1 mark)
9) Differentiate laminar from turbulent flow (2 marks)

Szl 103: Fundamentals Of Ecology (Aquatic Component) Question Paper

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