Assam University B.Com 2nd Sem Question Paper
Environmental Studies Question Paper 2021
TDC (CBCS) Even Semester
Exam., September - 2021
FOUNDATION COURSE IN ENVIRONMENT SCIENCE (2nd Semester)
Course No.: EVS – AEC – 201T
Environmental Science
Question Paper 2021
Full Marks: 50
Pass Marks: 20
Time: 3 hours
The figures in the margin indicate full marks for the questions.
SECTION – A
A. Answer any fifteen (15) questions: 15x1=15
1.
Define ecosystem.
2.
Mention one objective of
environmental studies.
3.
What is food chain?
4.
What are the various types of
food chains?
5.
What is food web?
6.
Define trophic level.
7.
What do you mean by symbiotic
nitrogen fixation?
8.
Define soil erosion.
9.
Give two examples of
non-renewable energy.
10. Define endemic species.
11. Name two endemic species of NE India.
12. What is PAN?
13. Define hot spot.
14. What is IUCN?
15. Name two biosphere reserves of Assam.
16. What is IPCC?
17. Define population explosion.
18. What organisation (NG)) organised salient valley movement?
19. Give examples of two non-biodegradable pollutants.
20. Give one example of common property resources.
SECTION – B
Answer any five questions: 5x2=10
1.
Define ecological pyramid.
Mention its types.
2.
What do you mean by alpha and
beta diversities?
3.
What are lentic and lotic
ecosystem?
4.
Define ecological succession
and mention its types.
5.
Define productivity and mention
its types.
6.
Mention two major threats to
biodiversity conversation.
7.
What is red data book?
8.
Define sustainable development.
Who gave the concept of sustainable development?
9.
What is CITES? Name one
national park of Assam.
10. Name two wildlife sanctuaries of NE India.
SECTION – C
Also Read: Environmental Studies Notes, MCQs, Question Papers and Solutions
Answer any five questions: 5x5=25
1. Mention the scopes and importance of environmental studies. How does
environmental study is related with other disciplines? 2+3=5
2. Write brief note on flow of energy in an ecosystem. Write the
structure and function of an ecosystem. 2+3=5
3. Write note on eutrophication. State various causes of deforestation.
What is desertification? 2+2+1=5
4. Mention various sources of non-renewable energy. What are the
various steps of mining operation? What do you mean by mire safety? 2+2+1=5
5. Write note on levels of biodiversity. Write notes on various causes
of threats and conservation of biodiversity. 2+3=5
6. “India is one of the mega-diversity nations of the world” – Justify
the state in context to richness of biodiversity in India. What is biodiversity
hot spot? 4+1=5
7. Define green house effect. What are various causes and consequences
of green house effect? What is acid rain? 1+3+1=5
8. What is ozone layer depletion? Mention its evil effects. What are
municipal solid wastes and strategies for management municipal solid waste? 2+3=5
9. Write note on Chipko movement. Mention the role of IT in
environmental studies. 2+3=5
10.Define environmental ethics. What is IPR? Write various causes of
urban flood. What are the various steps in management of earthquakes? 1+1+1+2=5
Also Read: Assam University B.Com 2nd Sem Question Papers
4. Business Maths and Statistics: 20195. General English: 2019
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