Download PTU B.Sc (Non-Medical) 2020 March 3rd Sem 76909 Environment Science Question Paper

Download PTU (I.K. Gujral Punjab Technical University Jalandhar (IKGPTU) B.Sc (Non-Medical) 2020 March Previous Question Papers

1 | M-76909 (S105)-2288
Roll No. Total No. of Pages : 02
Total No. of Questions : 09
B.Sc. (Non Medical) (2018 Batch) (Sem.?3)
ENVIRONMENT SCIENCE
Subject Code : BSNM-309-18
M.Code : 76909
Time : 3 Hrs. Max. Marks : 50
INSTRUCTIONS TO CANDIDATES :
1. SECTION-A is COMPULSORY consisting of TEN questions carrying ONE mark
each.
2. SECTION-B contains FIVE questions carrying FIVE marks each and students
have to attempt any FOUR questions.
3. SECTION-C contains THREE questions carrying TEN marks each and students
have to attempt any TWO questions.

SECTION-A
1. Write briefly :
a) Define Environment and Eco System.
b) Differentiate between renewable and non-renewable resources giving two examples
of each.
c) Define Biodiversity. Why is it to be conserved?
d) List two endangered and two endemic species of India.
e) What are the environmental effects of ground water exploitation?
f) Define Environmental Pollution.
g) What is meant by environmental ethics?
h) With an example define Acid Rain.
i) What is meant by Noise Pollution? How is it measured?
j) How are family welfare programmes important in environmental management?
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1 | M-76909 (S105)-2288
Roll No. Total No. of Pages : 02
Total No. of Questions : 09
B.Sc. (Non Medical) (2018 Batch) (Sem.?3)
ENVIRONMENT SCIENCE
Subject Code : BSNM-309-18
M.Code : 76909
Time : 3 Hrs. Max. Marks : 50
INSTRUCTIONS TO CANDIDATES :
1. SECTION-A is COMPULSORY consisting of TEN questions carrying ONE mark
each.
2. SECTION-B contains FIVE questions carrying FIVE marks each and students
have to attempt any FOUR questions.
3. SECTION-C contains THREE questions carrying TEN marks each and students
have to attempt any TWO questions.

SECTION-A
1. Write briefly :
a) Define Environment and Eco System.
b) Differentiate between renewable and non-renewable resources giving two examples
of each.
c) Define Biodiversity. Why is it to be conserved?
d) List two endangered and two endemic species of India.
e) What are the environmental effects of ground water exploitation?
f) Define Environmental Pollution.
g) What is meant by environmental ethics?
h) With an example define Acid Rain.
i) What is meant by Noise Pollution? How is it measured?
j) How are family welfare programmes important in environmental management?
2 | M-76909 (S105)-2288
SECTION-B
2. ?Water is in a constant state of motion?. Discuss with specific reference to hydrologic
cycle. Also, establish the importance of water conservation.
3. Discuss the energy flow through a desert ecosystem.
4. Discuss climate change and global warming.
5. Explain how environmental degradation is a human rights issue?
6. Discuss the sources and control measures of air pollution.

SECTION-C
7. Explain characteristics of Ecological Pyramids with examples of TWO typical ecological
pyramids.
8. List and discuss the different environmental laws in India. Discuss the salient provisions.
9. Write notes on :
a) Soil Pollution
b) Eutrophication
c) Thermal pollution
d) Wind energy




NOTE : Disclosure of Identity by writing Mobile No. or Making of passing request on any
page of Answer Sheet will lead to UMC against the Student.

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