NATIONAL OPEN UNIVERSITY OF NIGERIA

UNIVERSITY VILLAGE, PLOT 91, CASDASTRAL ZONE, NNAMDI AZIKIWE EXPRESS WAY, JABI, ABUJA.
FACULTY OF SCIENCES
JULY 2018 EXAMINATION

COURSE CODE: BIO 308 (2 CREDIT UNITS) TIME ALLOWED: 2HOURS

COURSE TITLE: BIOGEOGRAPHY      

INSTRUCTION: Answer question ONE (1) and any other THREE (3) questions only

1a        Describe any three common characteristics of tropical trees (6marks)

1b        Enumerate the major differences between tropical and temperate Flora (5marks)

1c        List the five floristic Subkingdoms of the Paleotropical Kingdom (5marks)

1d        List and describe any three ecological regions of Neotropic Kingdom (9marks)

2a        Give a brief historical development of Biogeography (10marks)

2b        Enumerate any five influencing factors on Island Biogeography (5 Marks)

3a        List the six floristic regions of the World (6 Marks)

3b        List any seven aspects pertaining to the Theory of Island Biogeography (9 Marks)

4a        Mention the agent of plant dispersal and describe the process in each case (9 Marks)

4b        Give a general description of the Paleotropical Kingdom (6Marks)

5a        List and explain the four main factors affecting dispersal of organisms (12marks)

5b        Identify any three floristic provinces of the Madrean region (3 Marks)