M.Sc-M.Sc Zoology 2nd Year Paper - VII : Parasitology and Immunology (Acharya Nagarjuna University - Center for Distance Education, Guntur, Andhra Pradesh-2013)

(DZOO 23) 
M.Sc. (Final) DEGREE EXAMINATION, MAY – 2013 
(Second Year) 
ZOOLOGY 
Paper - VII : Parasitology and Immunology 

Time : 03 Hours                                                                Maximum Marks : 100 

Answer all questions 
All questions carry equal marks 
1) a) What is parasitism? And write the life cycle of Entamoeba histolytica 
Or 
b) Write short notes on 
i) Trypanosoma gambiense 
ii) Ecology of parasitism 2) a) Write the biology and life cycle of Echinococcus granulosus 
Or 
b) Write short notes on 
i) Schistosomiasis 
ii) Diphyllobothrium latum 3) a) Describe the biology and life cycle of Ancylostoma duodenale 
Or 
b) Write short notes on 
i) Wuchereria bancrofti 
ii) Dracunculus medinensis 4) a) What is immunity? Describe the Acquired immunity 
Or 
b) Write short notes on 
i) Natural immunity 
ii) Antigens-structure 5) a) Describe in detail the organs of immune system 
Or 
b) Write short notes on 
i) Properties of immunoglobulin IgG 
ii) Antigen-antibody interactions ________