Mumbai University Previous year question papers
V Sem Electronics Examination May 2010
N.S. : (1) Question NO.1 is compulsory.
(2) Attempt any four questions from the remaining six questions.
1. Attempt any five of the following :-
(a) Define ecology and ecosystem.
(b) What do you mean by Bio-energy? Explain with example.
(c) Explain the term “Biodiversity” with the help of an example.
(d) How pesticides contribute to soil pollution? Explain.
(e) Explain the term “sustainable development”-
(f) Differenciate between exponential and geometrical population growth.
(g) What are -3R? Explain.
2.(a) Describe the role of information technology in environmental studies.
(b) Discuss rain water harvesting. What are advantages from this technique?
3.(a) Write short notes on any two of the following :-
(i) Thermal Pollution
(ii) Solid Waste Management
(iii) Phopal Gas Tragedy.
(b) Write an essay on “Hot-spot of biodiversity”.
4.(a) Write short notes on any two of the following :-
(i) Ecological Succession
(iii) Food Web.
(b) “It is said that next World War willbe on water.” Comment upon the statement giving facts.
5.(a) Explain soil erosion. How it happened? Give its types.
(b) What is conservation of biodiversity? Describe in-situ and ex-situ c(‘mservation of biodiversity.
6. (a) Write an essay on disaster management.
(b) Write short notes on any two of the following :-
(i) Green House Effect
(ii) Ozone Layer Deplation
(iii) Water Shed Management.
7. (a) Discuss salient features of –
(i) Wild Life (Protection) Act, 1972.
(ii) Forest (Conservation) Act, 1980.
(b) Explain various causes of water pollution.