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National Open University Exam Past Question – BIO 308 OCTOBER/NOVEMBER 2014 EXAMINATION

NATIONAL OPEN UNIVERSITY OF NIGERIA BIO 308 BIOGEOGRAPHY

14-16 AHMADU BELLO WAY, VICTORIA ISLAND LAGOS SCHOOL OF SCIENCE AND TECHNOLOGY OCTOBER/NOVEMBER 2014 EXAMINATION

 

 

 

COURSE CODE: BIO 308

 

COURSE TITLE: BIOGEOGRAPHY TIME ALLOWED: 2 Hours INTRUCTION: Answer 4 questions

 

 

  1. a. Briefly outline the relationship between soil type and vegetation. 10marks
  2. Different types of vegetations give rise to different forms of organic matter in soils. Mention the five different soil processes involved. 5marks
  3. c. The humus contents of soils affect the growth of plants. Explain briefly. 10marks

 

 

 

  1. a. List the factors affecting dispersal of animals and plants? 8marks. b. Outline six principles of animal distribution. 12marks
  2. c. Floristic regions of the world are grouped into six kingdom Mention any five of these kingdoms. 5marks.

 

 

 

  1. a. Mention the six Zoogeographic provinces? 6marks.
  2. Briefly explain the concept of “Island Biogeography”. 10marks.
  3. c. State the theory of “Island Biogeography”. 4ma
  4. Identify any five factors that influence“Island Biogeography”. 5marks.

 

 

  1. a. Explain the relationship between climate and vegetation. 10marks.
  2. Briefly explain the interaction between climate and vegetation in Sahara/Sahel region.

15marks.

 

 

  1. a. What is biogeography? 6marks.

 

  1. Why is biogeography considered to be a part of physical geography? 5marks.
  2. c. Mention the three main fields of biogeography. Briefly explain each of these fie
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14marks

 

 

 

 

  1. a. Outline the common characteristics of tropical trees. 6marks
  2. what are the features that differentiate tropical trees from that of the temperate forest?

10marks.

  1. c. Mention five tropical fauna Outline their features. 9marks

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