BSc Biochemistry Sem V ATKT BIO CHEM BIOCHEMISTRY PAPER II ENVIRONMENTAL SCIENCE Question Paper - Mumbai University | munotes

Questions asked in this paper

• Instructions: Please check that you have received the correct question paper

1. Q1 All the questions are compulsory. Choice is internal
2. Q2 Figures to the right indicate full marks
3. Q3 All questions carry equal marks
4. Q4 Draw flowcharts and diagrams wherever required
5. Q1 A) Choose the MOST appropriate option (any three): 3 marks
6. Q1 of the atmosphere is composed of two gases- nitrogen and oxygen li) is NOT a greenhouse gas ili) Mesosphere extends from. km of altitude
   • iv) Polyaromatic hydrocarbons in the atmosphere can produce
   • v) Local temperature conditions in the atmosphere
   • a) ions and radicals b) suspended particulates c) gaseous pollutants
   • vi) Oxidation of hydrocarbons is catalyzed by _ in particulate matter and explain any one of the following: 2
   • i) Temperature inversion
7. Q1 C) Attempt any one of the following: 4 marks
8. Q1 Describe the greenhouse effect li) Discuss the structure of atmosphere surrounding the earth Answer any one of the following: 6
9. Q1 Write a note on photochemical smog li) Give detailed account of consequences of Ozone Layer Depletion
10. Q2 A) Choose the MOST appropriate option (any three): 3 marks
11. Q1 During season the efficiency of the trickling filter method reduces
    • a) summer autumn li) Rain is a form of Humans contain that acts as a natural chelating agent for Cadmium
    • iv) Fog formation is a problem associated with wet cooling towers in
    • v) Radioactive pollution may be caused due to from improperly disposed
    • vi) Biological treatment of waste water is also known as and explain any one of the following: 2
12. Q1 Preliminary treatment li) Thermal pollution of water
13. Q2 C) note on any one of the following: 4 marks
14. Q1 Pesticides and insecticides as water pollutants li) Physiological impact of heavy metal poisoning Answer any one of the following: 6
15. Q1 Elaborate on primary treatment of waste water li) Write a detailed note on Oil spill
16. Q3 A) Choose the MOST appropriate option (any three): 3 marks
17. Q1 is a soil type with the smallest particles having good water holding capacity li) is the least weathered portion of lithosphere that lies directly above parental ili) Top soil is also known as horizon
    • iv) Equivalent Noise Level (Leq) index for measurement is accepted for rating of noise in
    • v) Noise level of dBA may cause ear drum rupture
    • vi) is/are responsible for receiving sound waves by ear
    • a) Tympanic b)Ear-Drum c) both a and b
18. Q3 B) Define and explain any one of the following: 2 marks
    • i) Noise li) Salinization of soil
19. Q3 C) note on any one of the following: 4 marks
    • i) Soil profile
    • ii) Classification of noise
20. Q3 D) Answer any one of the following: 6 marks
21. Q1 Elaborate on nitrogen cycle li) Discuss consequences of noise pollution
22. Q4 A) the MOST appropriate option (any three): 3 marks
23. Q1 The sulphur content in the petroleum varies from li) Discrete portions of water samples taken at any time are known as li) Low level nuclear wastes are disposed by
    • a) dumping on the seabed b) burial in salt deposits
    • c)buried in geologic repository
    • iv) Geothermal energy is primarily stored in
    • v) Petroleum is an oily inflammable liquid consisting of hydrocarbon
    • vi) is the coal having highest heating value and explain any one of the following: 2
24. Q4 C) Write short note on any one of the following: 4 marks
25. Q1 Solar energy li) Principles of air monitoring system Answer any one of the following: 6
26. Q1 Explain health effects associated with c) plastics li) Write a detailed note on remote sensing
27. Q5 A) brief note on any one of the following: 3 marks
28. Q1 Ions and radicals in the atmosphere
29. Q5 B) Writea brief note on any one of the following: 3 marks
    • i) Hydrological cycle
    • ii) Various sources of water pollutants
30. Q5 C) brief note on any one of the following: 3 marks
    • i) Importance of soil
    • ii) Measurement of Noise Answer any one of the following: 3
31. Q1 Give an account of approaches to water monitoring il) Write a note on conventional sources of energy
32. Q5 E) — State true or false:(any three) 3 marks
    • i) Aeroplanes fly in the stratosphere li) Water that falls on the land attempts to move back towards sea level as run off The amount of water vapour in the atmosphere varies from place to place
    • iv) Dark coloured rich in inorganic matter
    • v) Elemental mercury is harmful to humans
    • vi) Hydrocarbons of the petroleum are separated by vacuum distillation

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