Fisheries level-2; semester-2 AQC-205 [ Fish Parasitology] Quesion 2014-2018

 

 
                                

                                     click here to download

 

 Fisheries level-2; semester-2 AQC-205 [ Fish Parasitology] Quesion 2014-2018

 

 

Hajce Mohammad Danesh Science and Technology University, Dinajpur B. Sc. Fisheries (Hons.) Level 2 Semester II (July-December) Final Examination 2014 Course Title: Fish Parasitology Course Code: AQC 205

Credit Hours: 3.0

Time: 3 hours

Full marks: 90

Split answering of any question is unacceptable Use separate answer script for answering each of the sections Give the diagram where necessary

Section A

Answer any FIVE questions.

a) Define parasitism according to Crofton.

3.0

b) How do environment and different types of waterbodies influence on the parasitic fauna of fish? Write the key characteristics of digenca and acanthocephala with

diagrams and examples.

6.0

2.

9.0

2.0

7.0

3. a) Define symbiosis.

b) Describe the categories of symbiosis with examples.

5:0

4.0

4 a) Briefly describe host specificity?

b) What are meant by prevalence, incidence, abundance and paratenic host?

9.0

Illustrate the life cycle of a cestode species which has zoonotic importance with a diagram.

9.0

3×3 9.0

6. 7. Describe cell and tissue reactions of host fish to parasites with examples. -Define the following terms: (any three)

a) Parasymbiosis c) Continuous parasitism and its subcategories

b) Infection

d) Reservoir host