LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

       B.Sc. DEGREE EXAMINATION – ADVANCED ZOOLOGY & BIOTECH.

DE 1

FIRST SEMESTER – APRIL 2008

AZ 1500 / ZO 1500 – INVERTEBRATA

 

 

 

Date : 03/05/2008                Dept. No.                                        Max. : 100 Marks

Time : 9:00 – 12:00

            PART – A

Answer ALL the questions                                                                            (10 x 2 = 20 marks)

 

1. Comment on Ink glands.
2. What are book lungs?
3. What is Ommatidium?
4. What are tube feet?
5. Draw the structure of Aristotles lantern.
6. Differentiate between Conjugation and Endomixis.
7. Give two external features of scorpion.
8. What are Coral reefs?
9. What is Radula and its functions?
10. Define living fossil.  Give any two examples.

 

PART – B

Answer any FOUR questions                                                                   (4 x 10 = 40 marks)

 

1. Describe the heteronereis phase.
2. Give an account of the larvae of echinodermata and their significance.
3. Describe the Cephalic appendages of Penaeus.
4. Give an account of the Canal system in sponges.
5. Give an account of the process of Conjugation in Paramoecium and its significance.
6. Describe the structures connected with parasitic adaptations in Taenia.

 

PART – C

Answer any TWO questions                                                                    (2 x 20 = 40 marks)

 

1. Write an essay on social life of insects.
2. Peripatus is the connecting link between Annelida and Arthropoda – Discuss.
3. Write an essay on Coral reefs.
4. Give a detailed account on the effects of Parasitism on host, giving suitable examples.

 

Go To Main Page

Latest Govt Job & Exam Updates:

View Full List ...