Download PTU BCA 2020 Dec 2nd Sem 77421 Environmental Studies Question Paper

Download PTU BCA ( Bachelor of Computer Applications) 2020 December 2nd Sem 77421 Environmental Studies Previous Question Paper

Roll No.
Total No. of Pages : 02
Total No. of Questions : 16
BCA (Sem.?2)
ENVIRONMENT AL STUDIES
Subject Code : EVS-102-18
M.Code : 77421
Time : 3 Hrs. Max. Marks : 60
INST RUCT IONS T O CANDIDAT ES :
1 .
SECT ION-A is COMPULSORY cons is ting of TEN questions carrying TWO marks
each.
2 .
SECT ION-B c ontains SIX q uestions ca rryin g TEN mark s each a nd stu dents hav e
to attempt any FOUR questions .
SECTION-A
Write briefly :
Q1. Define Ecosystem.
Q2. Name any two natural resources.
Q3. Which conservation act prevents over-exploitation of water?
Q4. Write any two urban problems related to energy.
Q5. What is bio-diversity?
Q6. Discuss briefly about any two endemic species of India.
Q7. Why environmental pollution is important?
Q8. Enlist any two health risks associated with Air pollution.
Q9. How global climate change impacts global warming?
Q10. "Identification and photography of resident or migratory birds and insects is
necessary". Comment on the statement.
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SECTION-B
Q11. Why public awareness about environmental studies is needed? Explain the scope and
importance of a clean and healthy Environment.
Q12. a) What are different producers and consumers of ecosystem? Explain.
b) Explain diagrammatically the flow of energy for Forest ecosystem.
Q13. Explain the following concepts for preservation of natural resources :
a) Rainwater Harvesting
b) Desertification
Q14. Discuss the following issues for conservation of biodiversity :
a) Biodiversity Hotspot
b) Red Data Book
Q15. a) What is noise pollution? Explain different steps followed to prevent environment from
noise pollution.
b) Why the sea levels are rising from last few decades? Explain.
Q16. a) Explain the method for documentation and preparation of biodiversity register of forest.
b) What kind of steps must be taken to deal with urban pollution?
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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