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Zool 100: General Zoology Question Paper

Zool 100: General Zoology

Course:Bachelor Of Enviromental Science

Institution: Kabarak University question papers

Exam Year:2012

KABARAK UNIVERSITY

UNIVERSITY EXAMINATIONS
2011/2012 ACADEMIC YEAR
FOR THE DEGREE OF BACHELOR OF ENVIROMENTAL SCIENCE

ZOOL 100: GENERAL ZOOLOGY
DAY: WEDNESDAY

DATE: 28/03/2012
TIME: 2.00 – 4.00 P.M.

STREAM: Y1S1
INSTRUCTIONS:
1. Answer ALL the questions in SECTION A and any TWO from SECTION B

SECTION A (40 marks)
1. a) What characteristics of life are exploited in:

(5 mks)

(i) The use of flashing signs

(ii) Giving a green plant extra light

(iii) Manuring soil

(iv) The use of a carrier pigeon

(v) Making Wine

b) Why is it sometimes difficult to classify an organism as plant or animal? Use

named examples to illustrate your answer.

(2 mks)

2. a) What structures in amoeba are functionally equivalent to the following structures in

man

(2 mks)

(i) Skin

(ii) Mouth

(iii) Kidney

(iv) Limbs

b) Describe the meaning of the following terms, giving example of an animal in each

case
(i) Triploblastic and acoelomate

(2 mks)
(ii) Diploblastic and radial symmetry

(2 mks)

1
(iii)Penta-Radiate

(2 mks)
(iv) Pseudocoelomate and triploblastic

(2 mks)

3. a) Describe the general features of the phylum Annelida
(3 mks)

b) Give the importance of annelids in their environments
(3 mks)

4. Give the common features of birds that share with:

a) Mammals

(3 mks)

b) Reptiles

(3 mks)

5. Explain the importance of the following structures to the animals that possess them

a) Skin to a frog

(3 mks)

b) Fins to fish

(2 mks)

c) Mantle to snail

(2 mks)

6. a) State at least two features of the class Mammalia

(1 mk)

b) Identify three groups of these mammals and state their characteristics features

(6 mks)

SECTION B (30 Marks)
7. Give a general account of how parasites are adapted for parasitic existence (15 mks)
8. Discuss adaptations of Birds to flight

(15 mks)

9. Discuss the features that differentiate the following classes of arthropods

(a) Insecta

(5 mks)

(b) Arachnida

(5 mks)

(c) Crustacea

(5 mks)

Zool 100: General Zoology Question Paper

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