General Bharathidasan University, M.Sc Degree Examination, Zoology, Environmental Biology, Apr 2021. model question papers

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Posted Date: 29 May 2021      Posted By:: Jannane.M    Member Level: Gold  Points: 3 (₹ 2)

2021 General Other Bachelor's Degree Bharathidasan University, M.Sc Degree Examination, Zoology, Environmental Biology, Apr 2021. Question paper

Course: Other Bachelor's Degree   University/board: Bharathidasan University

Are you looking for the old question papers from Bharathidasan University of Environmental Biology paper? Here is the previous year question paper from Bharathidasan University. This is the original question paper of Environmental Biology exam conducted in Apr 2021. Feel free to download the question paper from here and use it to prepare for your upcoming exams.

(For candidates admitted from 2016-17 onwards)

M.Sc Degree Examination, April 2021.


Environmental Biology

Time : Three Hours Maximum : 75 marks

Part A - (10×2=20 marks)

Answer all questions

1. Heterotrophic producer

2. Primary productivity

3. Ecological Succession

4. Radio telemetry

5. GPS

6. Carbon sink

7. TSS

8. Biomagnification

9. Sub-acute toxicity

10. Bioremediation

Part B - ( 5×6=30 marks)

Answer all questions, choosing either (a) or (b)

11.a) How does energy loss occur in a ecosystem? Explain with an example.


b) Comment on the role of soil and light as abiotic factors in an ecosystem.

12.a) Discuss mechanisms of regulating population size.


b) Write a brief account on ecological niche and their importance.

13.a) What is the principle and Application of radar in ecological studies?Explain with suitable examples.


b) Discuss on the national policies on wildlife conservation with suitable examples.

14.a) Write notes on i) BOD and ii) TDS


b) How will you assess chronic toxicity? Add a note on safety measures.

15.a) What are pesticides? Describe their types and issues associated with their overuse.


b) What is bio indicator? Discuss the principle and importance of biological monitoring with suitable examples.

Part C - (5×10=50 marks)

Answer any Three questions

16. What is a biome? Give an account on the ecological features of Tundra and the effect of climate change on its ecology.

17. What is global warming? Discuss the importance and consequence of carbon cycle in relation to global warming.

18. What is GIS? Write an essay on the principle and Application of GIS techniques in ecological research.

19. Describe the causes, effects and control measures of marine pollution citing suitable examples.

20. Write an essay on the various methods of bioremediation and add a note on their potential using suitable examples.

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