Nalanda Open University
Annual Examination 2017
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).
Movement of food vacuoles in Paramecium along a definite path is called:
Exomixis Endomixis
Cylosis None of the above
The intermediate host of filarial worm is:
Tsetse fly House fly
Sand Fly Female culex mosquito
Locomtory organs of starfish is:
Pseudopodia Polian vesicle
Podia Cilia
Which is called sea pan?
Velella Adamsia
Pennantula Porpita
Which one is a jelly fish?
Aurelia Obelia
Metridium Hormiphora
Which of the following is the excretory organ of prawn?
Coxal gland Green galnd
Malpighian tubules Hepatopancreas
Choanocytes are also known as:
Muscle cells Collar cells
Nerve cells Blood cells
(viii) Miscrofilaria is the larva of:
Tape worm Pin worm
Round worm Filarial worm
2. Describe the structure and life cycle of Entamoeba histolytica.
3. Give an account of life cycle of Wuchereria bancrofti.
4. Describe the mouth parts of Cockroach.
5. Give an account of larval forms of Echinodermata.
6. Describe the affinities of Balanoglossus.
7. Describe the respiratory system of unio.
8. Give an account of excretory organs of leech with suitable diagram.
9. Give an account of canal system of sponges.
10. Writ e short notes on any Two of the following:
Radia larva Polymorphism
Glochidium larva Trochophore larva