Dibrugarh University| B.A | Environmental Studies| Question Paper - (July) - 2021| 2nd Semester
2021
(July)
ENVIRONMENTAL STUDIES
(Common Paper)
Marks: 75
Time: 3 hours
The figures in the margin indicate
full marks for the questions
PART-A
(Short
answer-type)
Answer all questions: 1.5×10=15
1. Define environment.
2. Mention three main causes of deforestation in North-East
India.
3. What are biodiversity hot spots? Give one example.
4. What are endemic species? Give one example.
5. What are ozone holes?
6. Mention three main sources of soil pollution.
7. What is disaster management?
8. What is population explosion?
9. What is environmental ethics?
10. Expand the following acronyms:
(a) CFC
(b) CPCB
(c) NWDB
PART-B
(Long answer-type)
Answer any five questions: 4x5=20
11. Describe natural resources. 4
12. Mention two causes and two effects of soil erosion.
2+2=4
13. Distinguish between in situ and ex situ method of
biodiversity conservation. 4
14. Write briefly on 'pyramid of biomass'. 4
15. Distinguish between primary and secondary pollutants.
What are the impacts of air pollution? 2+2=4
16. What is urban waste management? 4
17. What are the main objectives of Human Rights Commission?
4
18. What measures can be taken to reduce the impact of
floods and landslides? 2+2=4
PART-C
(Essay type)
Answer the following questions: 10×4=40
19. What are the main causes of depletion of water
resources? Mention the various methods of conservation of water resources.
4+6=10
Or
Examine the
impact of modern agriculture on the environment and human health. 10
20. Describe the structural components of an ecosystem. 10
Or
Describe
different stages in an ecological succession. 10
21. Write short notes on any two of the following: 5×2=10
(a) Acid rain
(b) Impacts of
global warming
(c) Salient
features of the Forest Conservation Act of 1980
22. Write short notes on any two of the following: 5x2=10
(a) Consumerism
and waste generation
(b) Role of
information technology in environment and human health
(c) Factors
affecting growth of population
(d) Role of
Family Welfare Programmes in population control
***
ENVIRONMENTAL STUDIES SOLVED PAPERS PAGE LINK - Click here
DIBRUGARH UNIVERSITY PAGE LINK - CLICK HERE
Also Read: