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Zoo110:Basic Zoology 1 Question Paper

Zoo110:Basic Zoology 1

Course:Basic Zoology I

Institution: University Of Eldoret question papers

Exam Year:2010

Answer any ten questions.Each question carries 7marks.
1.Define
i.Cephalopoda
ii.Acoelomate
iii.Echinodermata
iv.Triploblasty (4marks)
b.Name the class of phylum protozoa,with the following characteristic.
i.Lacks a locomotory structure.
ii.Moves by pseudopodia.
iii.Has diagonal striations.(3marks)
2.a.Classify the housefly under the following headings.
i.Phylum
ii.Class
iii.Order(3marks)
b.Name two classes of coelentrata giving one animal for each class.(4marks)
3.a.State one distinguishing feature of each of the following phyla.
i.Rotifera
ii.Mollusca
iii.Arthropoda
iv.Nematoda(4marks)
b.List three subphyla of the phylum chordata.(3marks)
4.Name the phylum to which each of the named organisms belongs.
a)Snail
b)Centipede
c)Brittle star
d)Tapeworm
e)Crayfish
f)Leech
g)Hookworm(7marks)
5.Define"biological species" and list the five kingdoms of living animals.(7marks)
6.Compare prokaryotic and eukaryotic cells under the following topics
a)Cell size
b)Genetic system
c)Cell division
d)Sexual system
e)Nutrition
f)Energy metabolism
g)Intracellular movement (7marks)
7.One of the unresolved mysteries in biology is that of viruses.Briefly discuss.(7marks)
8.State the contributions made by the following scientists to the field of biology:
i.Carolus Linnaeus,1758
ii.Earnst Haeckel,1866
iii.Copeland,1966
iv.Robert Whittaker,1969 (7marks)
9.List three developmental types of body cavities as exemplified by metazoans (7marks)
10.There are usually three body forms found in sponges(Asconoid,Syconoid and leuconoid).Illustrate this statement.(7marks)
11.State the major functions of Nematocysts found in the phylum Cnidaria.(7marks)
12.Platyhelminthes are more advanced than sponges and cnidarians.Give the evidence for this observation.(7marks)

Zoo110:Basic Zoology 1 Question Paper

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