BSc Botany Sem V 2019 20 Oct 2019-20 BOTANY FORM & FUNCTION III Question Paper - Mumbai University | munotes

Questions asked in this paper

• 2) Figures to the right indicate full marks

1. Q1 Answer any Two of the following 20 marks
   • a) an account of structure of vacuole in plant cells. Add a note on its contents
   • b) the process of termination of translation
   • c) the process of initiation of translation in eukaryotes
   • d) Describe in detail the morphology of Polytene chromosomes
2. Q2 Answer any Two of the following 20 marks
   • a) State the various modes of transpiration in plants and comment on the significance of transpiration in relation to maintaining the leaf temperature in plants
   • b) “Water potential is a diagnostic tool that enables the plant scientist to assign a precise value to the water status in plant cells and tissues”, Explain
   • c) Describe the role of carriers in transport of solutes across membranes
   • d) What are macronutrients? Describe the role and deficiency symptoms of any three
3. Q3 Answer any Two of the following 20 marks
   • a) What is bioremediation? Add a note on microbial population in bioremediation
   • b) What is phytoremediation? Discuss the various processes involved in phytoremediation of organic pollutants
   • c) Define plant succession. Explain any three stages of a lithosere citing examples of plant in each stage
   • d) What is bioaccumulation? Describe the process of bioaccumulation in an ecosystem
4. Q4 Answer any Two of the following 20 marks
   • a) What are artificial seeds? Describe the procedure for the production of artificial seeds
   • b) a detailed note on aspects of micropropagation in orchid cultivation
   • c) What is plant cell suspension culture? Discuss its application for the production of
   • d) Give a detailed account of Somatic hybridization
5. Q5 Answer any Four of the following 20 marks
   • a) Degeneracy of genetic code
   • b) Concept of source and sink
   • d) Monoclimax theory
   • f) Advantages of somatic embryogenesis

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