Nalanda Open University
Annual Examination 2016
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).
Two types of nucleus are found in:
Varticell Amoeba Paramecium Englena
Infective stage of Entamoeba histolytica is:
Uninucleate Cyst Binucleate Cyst
Tetranucleate Cyst Pentanucleate Cyst
In a polymorphic hydzoan colony the function of dactylozooids is:
Nutrition Offence and defence
Respiration Reproduction
Trochophore is larva of:
Earthworm Cockroach Neries Lumbricus
In the middle of scolex, which of the following structure is found?
Cup shaper sucker Rosetellum
Proglattid Tougue
Locomotory organ of starfish is:
Pseudopodia Cilia Flagella Podia
Intemediate host of Wuehereria brancrofti is:
Sand fly Tsetse fly
Female culex mosquito Horse fly
(viii) Simplest type of canal system in sponges is:
Sycon type Ascon type Diplodal type Euryphylous type
2. Describe the life cycle of a protozoa which causes kala-azar.
3. Describe the life of Sacculina.
4. Give an account of water-vascular system of starfish.
5. Describe respiratory system of Palaemon.
6. Describe lify cycle of Taenia solioum.
7. White is alternation of generation? Explain with the reference of life cycle of Obelia.
8. Describe respiratory system of Pila.
9. Give an account of canal systems of sponges.
10. Writ e short notes on any Two of the following:
Bipinnaria larva Microfilaria Kaler's organ Parapodium