B.Sc. Zoology (Honours), Part-I
Paper-I
Time: 3.00 Hrs. Full Marks: 80
Answer any Five questions. Question No. 1 is Compulsory. All questions are of equal value
1. Multiple choice questions. (Each question carries Two marks).
Infective stage of Entamoeba histolytica is:
Uninucleate cyst Binucleate cyst
Tetranucleate cyst Penta nucleate cyst
Two types of nucleus are found in:
Verticella Amoeba Paramecium Euglena
Trocophore is the larva of:
Earthworm Cockroach Nereis A Sea Fur
Ostia are found on the body surface of which of the following animals:
Sycom Obelia Fasciola Ascaris
Lacomotary organ of starfish is:
Pseudopodia Cilia Flagella Podia
Intermediate host of Wuchereria bancrofti is:
Sand fly Tsetse fly Female culex mosquito House fly
Which one is jelly fish:
Aurelis Obelia Metridium Hormiphora
(viii) Which of the following is the excretory organ of Prawn:
Coxal gland Green gland Malpighin tubules Hepatopancreas
2. Describe the life cycle of Sacculina.
3. Give an account of water vascular system of star fish.
4. Describe the life cycle of Protozoa which causes Kala-azar.
5. Describe the life cycle of Taenia Solium.
6. Give an account of canal system of sponges.
7. Describe the respiratory system of Pila.
8. Describe the life cycle of Obelia.
9. Describe the mode of digestion in Balanoglossus.
10. Writ e short notes on any Two of the following:
Bipinnaria larva Microfilaria Tiedmann's bodies Statocysts