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Zool 210:Invertebrate Zoology August 2009 Question Paper

Zool 210:Invertebrate Zoology August 2009

Course:Bachelor Of Education Science

Institution: Kabarak University question papers

Exam Year:2009

KABARAK UNIVERSITY
UNIVERSITY EXAMINATIONS
2008/2009 ACADEMIC YEAR
FOR THE DEGREE OF BACHELOR OF EDUCATION
SCIENCE
COURSE CODE: ZOOL 210

INSTRUCTIONS TO CANDIDATES:
ANSWER ALL QUESTIONS FROM SECTION A AND ANY TWO FROM SECTION B

SECTION A (40MARKS)
Q1. State the distinguishing characteristics and give example of an organism in the protozoan
classes listed below (8marks)
a) Flagellata
b) Ciliophora
c) Rhizopoda
d) Sporozoa

Q2. a) Compare the structure of polyp and medusa (4marks)
b) State four functions of stinging cells (4marks)

Q3. Explain movement in the following organisms
a) Nereis (3marks)
b) Earthworm (3marks)
c) Leeches (2marks)

Q4. Describe the general characteristics of the phylum Echinodermata (8marks)

Q5. a) Describe THREE evolutionary advances demonstrated by the phylum Platyhelminthes
(3marks)
b) Explain how the tapeworm is adapted for parasitism (5marks)

SECTION B (30 MARKS)
Q6. Describe and illustrate annelid sensory structures (15marks)

Q7. Discuss the cell types in the phylum Porifera (15marks)

Q8. a) Describe features that distinguish chelicerata from all other arthropods (8marks)
b) Give reasons for the success of insects on earth. (7marks)

Zool 210:Invertebrate Zoology August 2009 Question Paper

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