BSc Botany Sem V 2014 2015 2015 Botany Question Paper - Mumbai University | munotes

Questions asked in this paper

1. Q1 Attempt any two of the following : 15 marks
   • (a) Describe the process of phloem loading and unloading
   • (b) Give an account of energetics of fattyacid degrdation
   • (c) What is passive transport ? Describe the various mechanisms of passive transport as observed in plant cells
   • (d) Describe the process of biosynthesis of fattyacids
2. Q2 Attempt any two of the following : 15 marks
   • (a) Explain role of radiation as a source of mutation
   • (b) Define point mutations. Explain frame shift mutations and silent
   • (c) With reference to Neurospora genetics, explain the following terms:
   • (ii) ditypes
   • (d) What are chemical mutagens ? With the help of suitable examples, explain the role of base modifying agents in causing mutations
3. Q3 Attempt any two of the following : 15 marks
   • (a) Describe role of aquatic ecosystem in biomagnification
   • (b) With respect to phytoremediation explain the terms :
   • (ii) Phytodegradation
   • (iii) Phytostabilisation
   • (c) Describe the factors involved in bioremediation
   • (d) What is bioaccumulation ? Describe the process of bioaccumulation in a terrestrial ecosystem
   • Q.P. Code: 12847
4. Q4 Attempt any two of the following : 5 marks
   • (a) Describe various approaches made towards conservation of
   • (b) What is phytogeography ? Describe any three phytogeographical regions of India
   • (c) What is genetic diversity ? Describe molecular methods used for
   • (d) With the help of suitable examples describe biodiversity of temperate
5. Q5 Write short notes on any three :
   • (a) Advantages and disadvantages of phytoremediation
   • (c) Levels of biodiversity
   • (d) Munch hypothesis
   • (e) Types of lipids
   • (f) Role of mutation in plant breeding

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