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Szl 101: Invertebrate Zoology Question Paper

Szl 101: Invertebrate Zoology

Course:Bachelor Of Science

Institution: University Of Nairobi question papers

Exam Year:2007

UNIVERSITY OF NAIROBI
FIRST SEMESTER EXAMINATIONS 2006/2007
FIRST YEAR EXAMINATIONS FOR THE DEGREE OF BACHELOR OF SCIENCE
SZL 101: INVERTEBRATE ZOOLOGY

Illustrate your answers with labeled diagrams where appropriate
Answer any ten (10) questions

1. Distinguish between eukaryotes and prokaryotes.
2. Briefly describe asexual reproduction in protozoa.
3. Outline the differences between protostomes and deutrerostomes.
4. Draw a fully labeled diagram to show the structural features of the genus Paramecium.
5. Using flow diagrams only describe the life cycle of the bilharzias worm Schistosoma mansoni.
6. State six important morphological features of the phylum nematode
7. Describe the structure and importance of the cnidarians nematocyst
8. Draw a labeled diagram of a cyclophyllidean cestode and give an example of a cestode of medical importance
9. List the different appendages of a crayfish and give the main function (s) of each.
10. Describe the process of obtaining and processing food in a primitive herbivorous gastropod like the limpet.
11. Describe the structure and function of the following:
a) Madreporite
b) Pedicellariae
12. Outline the affinities between arthropods and annelids.
13. Describe the mantle cavity organs in the phylum Mollusca and give their functions
14. By means of labeled diagram, illustrate the main morphological features of a fully grown annelid trachophore larva. How do trochophores obtain their food?
15. With the aid of a labeled diagram, describe the structure of the arthropod exoskeleton and give its functions.

Szl 101: Invertebrate Zoology Question Paper

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