1/VAC-140 Sylabus-2023
2024
(April )
FYUP: 1st Semester Examination
VALUE ADDED COURSE
ENVIRONMENTAL SCIENCE:VAC-140
Marks : 56
Time : 3 hours
The fiqures in the margin indicate full marks
for the questions
PART-A
(Short Answer-type Questions)
Answer any ten questions : 1x10=10
1. What is environment?
2. Expand the acronym of NWDB.
3. Name two renewable energy resources.
4. Who are autotrophs in the ecosystem?
24D/821 (Turn Over)
(2 )
5. Mention any two importances of biodiversity
to humankind.
6. What does the 10 percent law of energy flow
in the ecosystem say?
7. Define pollution.
8. What is 0zone hole?
9. Name two prominent
environmental
movements in India,
10. Name the different components of the
environment.
11. What is desertification?
12. Mention two types of aquatic
ecosystem.
13. Define biodiversity.
14. Name any two
greenhouse gasSes.
15. In
which year was the Environment
(Protection) Act enacted?
24D/821
(Continued )
(3 )
PART-B
(LongAnswer-type Questions )
4x4=16
Answer any four questions :
16. Differentiate between renewable and non
renewable natural resources. 2+2=4
17. What is soil erosion? Briefly write about the
soil conservation practices. 1+3=4
18. Explain food web with an example. Why is
food web important in the ecosystem? 3+1=4
19. What is a biodiversity hotspot? List out any
three biodiversity hotspots of India along
with their location. 1+3=4
20. Discuss the measures to achieve sustainable
development. 4
21. What is noise? What are the effects of noise
pollution? 1+3=4
PARTC
(Essay-type Questions )
Answer the following questions: 10x3=30
22. What is deforestation? Discuss the causes of
deforestation. How can we conserve forest
resources? 1+5+4=10
(Turn ver)
24D/821
(4 )
Or
uses of
What are minerals? List out a few
environmental
minerals. Write about the 1+2+7=10
impacts of mining.
conservation of
23. What do you mean by
biodiversity? Discuss in-situ and ex-situ
conservation of biodiversity. 2+8=10
Or
What is a bio-geochemical cycle? Explain the
carbon cycle. Mention a few environmental
problemns that arise due to human
interference in the carbon cycle. 2+6+2=10
24. Write short notes on the following : 5x2=10
(a) Salient Features of the Water
(Prevention and Control of Pollution) Act
(b) Impacts of Global Warming and Climate
Change
Or
What are point and non-point sources of
water pollution? Discuss the causes and
effects of water pollution. 2+8=10
24D-27750/821 1/VAC-140 Syllabus-2023
