M.Sc-M.Sc Zoology 1st Year Paper - IV : ANIMAL ECOLOGY AND WILDLIFE (Acharya Nagarjuna University - Center for Distance Education, Guntur, Andhra Pradesh-2013)

(DZOO 04) NR M.Sc. (Previous) DEGREE EXAMINATION, MAY - 2013 
First Year 
Zoology 
Paper - IV : ANIMAL ECOLOGY AND WILDLIFE 

Time : 03 Hours                                                                            Maximum Marks : 80

Answer All questions 

1) a) Write an essay on thermal stratification of natural water bodies. 
OR 
b) Write short notes on : 
i) Scope of ecology. 
ii) Feed-back loop. 
2) a) Give an account on biogeochemical cycle of nitrogen. 
OR 
b) Write short notes on : 
i) Food chain. 
ii) Concept of productivity. 
3) a) Write an essay on concepts of habital. 
OR 
b) Write short notes on : 
i) Commensalism. 
ii) Predation. 
4) a) Describe the properties of population group. 
OR 
b) Write short notes on : 
i) Population control. 
ii) r - and k - selection. 
5) a) Give an account on positive and negative values of wild life. 
OR 
b) Write short notes on : 
i) Hot spots. 
ii) Sanctuaries. 
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