THE UNIVERSITY OF BAMENDA

UNIVERSITE DE BAMENDA

FACULTY OF SCIENCE

FACULTE DES SCIENCES

Department of Biological Sciences department des Sciences

Biologiques

P.O. Box 39 Bambili

Tell: (+237) 22 81 63 50 Bambili : 21/02/ 2014

CONTINOUS ASSESMENT JANUARY 2014

ZOOS2101: Invertebrates Zoology (1h. 30mn)

6- What is the name of the attachment organ used by morogenetic trematodes called?

7- Name the parasitic classes found in the Phylum Platyhelmifithes

8- Name one disease caused by trematodes of the Subclass Digenea

PART III

1- Define the following terms: Primitive species, Modern Species, Living fossil, Pneumostome

Parasitoid, Maxilliped. (0.5 x 6= 3 marks)

2- Instructions for multiple choice questions Right answer = 1 mark; Wrong answer = -.0.5 mark;

the body of the another parasite c) a super-parasite living in the parasitoid body

C- During the postembryonic developmentmost insects change in form, the process is called?

a) ecdysis; b) metamorphism; c) parthenogenesis; d) metamorphosis.

D- The excretion of pseudophacopterons is done by:

a) the nephridia; b) the malpighian tubules; c) the coxal glands; d) the kidneys.

E) The malpighian tubules of spiders and insects work in conjunction with:

a) the coxal glands; b) the nephridia glands; c) the rectal glands; d) the coxal and rectal glands

F) -The functional unities of mollusks eyes are:

a) Ommatidia b) photoreceptor cells; c) osphradia; d) statocysts

G-identify the intruders of the following lists:

3- Explain and give the consequence of the hermaphrodism protandric process of mollusks. 2

marks

4- What appendages are characteristic of Chelicerates? Give the function of each appendage. 2

marks

5- Complete the following table: 3 marks

Characters

Termite