BSc Sem VI 2022 2023 Apr 2023 BOTANY CURRENT TRENDS IN PLANT SCIENCES II 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) Explain the sequencing of DNA by chemical degradation method
   • B) Explain the steps involved in Polymerase Chain Reaction technique
   • C) Comment on the applications of DNA barcoding in plants
   • D) Write a note on "Present status of DNA barcoding in plants.”
2. Q2 Answer any TWO of the following: 20 marks
   • B) Write a note on ENTREZ describing any five databases
   • C) Explain protein analysis using comparative modelling
   • D) Give the classification of homologs. How does the study of these proteins help to distinguish between different proteins?
3. Q3 Answer any TWO of the following: 20 marks
   • A) Explain the method used for extracting essential oil from fresh flowers of Rose. Give an account on benefits of Rose oil
   • B) What is semi-drying oil? Write the botanical name, plant part used, geographical location, extraction procedure and uses of Cotton seed oil
   • C) What are non- drying oils? Write the botanical name, plant part used, graphical location, extraction procedure and uses of Olive oil
   • D) Define drying oils. Write the botanical name, plant part used, geography location, extraction procedure and uses of Soybean oil
4. Q4 Answer any TWO of the following: 20 marks
   • A) With reference to osmotic drying, discuss the technique of drying
   • B) Define freezing. Explain the different freezing methods used in food preservation techniques
   • C) With reference to jams, explain how sugar concentrates are made?
   • D) Discuss the use of antioxidants as preservatives
5. Q5 Write Short Notes on: (any FOUR) 20 marks
   • a) Enzymes involved in pyrosequencing
   • b) Principle of Sangers method
   • c) BLAST
   • d) Characteristics of Champaca oil
   • e) Digestion of the Palm fruits
   • f) Dehydro freezing

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