BSc Biochemistry Sem V 2019 20 Oct 2019-20 BIO CHEM BIOCHEMISTRY PAPER II 11.10.19 Question Paper - Mumbai University | munotes

Questions asked in this paper

1. Q1 A) Fill in the blanks: 4 marks
2. Q1 The presence of in atmosphere is due to photosynthesis li) The boundary between stratosphere and mesosphere is called ili) The reflecting capacity of the earth is called
   • iv) The major anthropogenic source of nitrogen oxides is
3. Q1 B) Write a short note on : (Any one) 4 marks
4. Q1 Particles, ions and radicles in the atmosphere li) Depletion of ozone
5. Q1 C) Answer the following: (Any two) 12 marks
6. Q1 With the help of a neat labelled diagram discuss temperature profile of li) Elaborate on fate of oxides of sulphur in atmosphere ili) Construct a detailed note on reactions of oxygen and ozone in the
7. Q2 A) Fill in the blanks: 4 marks
8. Q1 of water on earth is available as fresh water li) The depletion of _ affects aquatic biota severely ili) Sedimentation part of treatment of waste water
   • iv) The cause of Minamata disease was contamination of water with
9. Q2 B) Write ashort note on : (Any one) 4 marks
10. Q1 Oil spill Answer.the following: (Any two) 12
11. Q1 Elaborate on the organic pollutants of water li) Write in detail about tertiary treatment of waste water
    • iii) Discuss the criteria for purity of water Fill in the blanks: 4
12. Q1 convert ammonium ions into nitrite ions li) Excessive use of inorganic fertilizers leads of soil ili) The unit of measuring sound frequency is
    • iv) The soil without living organisms is called short note on: (Any one) 4
    • i) Soil profile
13. Q3 C) Answer the following: (Any two) 12 marks
14. Q1 Give detailed account of classification of noise Discuss the necessity of biogeochemical cycles with special reference to ili) Justify. Soil is the most susceptible element of the environment to pollution in the blanks: 4
15. Q1 The energy associated with carbon and hydrogen bonds present in vegetative material is li) energy is non-conventional source useful for cities near sea ili) The ground water entering the closed mine carries with it a mixture of
    • iv) The floating precipitate of iron (III) oxide on the surface of natural aquatic systems is called Write a short note on : (Any one) 4
16. Q1 Coal and coke li) Polymers and plastics Answer the following : ( Any two) 12
17. Q1 Give comparative account of conventional and nonconventional sources of li) Construct a note on monitoring of water pollutants stating the principle and significance of it ili) Discuss approaches for environmental monitoring in detail
    • a) Van Allen OR Deforestation
    • c) Screening d) Surfactants
    • g) Asbestosis SNG true or false giving reasons: 12
18. Q1 Ozone is present in troposphere li) Asbestos is used in textile industry ili) Solubility of nitrogen increases with increasing temperature
    • iv) Alum is used as flocculating agent
    • v) Normal hearing audio range is 2Hz -22000HZ
    • vi) Soils with low cation exchange capacity retain metals leading to soil

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