University of Nigeria
Department of Zoology and Environmental Biology
2015/2016 Second Semester Examination
ZEB102: Introductory Zoology
Saturday, July 23, 2016 Time: 3hrs
Instruction: Answer questions 1 and 2 and any other three questions, at least one from each section
Section A
1. Draw and label fully specimens A, B, C and D. Comment on four features of zoological importance
2. Identify and classify with sound taxonomic reasons specimens E, F, G and H
Section B
3. In tabular format, following the phylogenetical approach, list ten animal species indicating their bodywork, symmetry and phyla.
4. Using relevant illustrative diagrams, critically the theory of metazoans with emphasis on the key point and limitations of its theory.
Section C
5. (a) discuss nine (9) General characteristics of phylum Mollusca
(b) With the aid of a well-label diagram discuss ten characteristics of the class Gastropoda.
(c) Write brifely on five(5) economic importance of the phylum molluska.
6. (a) Give a brief account of eight (8) general characteristics of the phylum arthropods.
(b) Write a short essay on the evolution of arthropods
Section D
7. Lis the current major theories accounting for the origin of life on the planet earth
(b) Briefly comment on the main features of each theory enumerated
8. Discuss the unique property water that has to enable it to perform its function in nature
Section E
9. Briefly explain the steps in the evolution of amphibians as a group. Enumerate the characteristics of the amphibian class.
10. Give an account of various habitats and the animals they harbour.
Section F
11. Using approximate diagrams discuss the phylogeny and adaptive diversities in the group protozoa
12. Write a comprehensive essay on the evolutionary survey of Echinodermata.
University of Nigeria
Department of Zoology and Environmental Biology
2014/2015 Second Semester Examination
ZEB102: Introductory Zoology
Saturday, August 8, 2015 Time: 3hrs
Instruction: Answer questions 1 and 2 and any other three questions.
1. Identify, draw and label fully specimens A, B, C and D. Comment on four features of zoological importance per specimen.
2. Classify according to six major taxa, using sound taxonomic reasons specimens A, B, C and D.
3. Write briefly on the special property of water that is responsible for its unique row in life.
4. Discuss succinctly the major theories accounting for the origin of life on earth.
5. Using tabular format list ten animal representatives from different phyla and their symmetry.
6. What is a habitat? Discuss the adaptive patterns of diversity of animals as regards habitat
7. (a) Discuss the General characteristics of the phylum mollusc.
(b) Give an account of the economic importance of molluscs.
