BSc Botany Sem V ATKT May 2018-19 ATKT BOTANY FORM & FUNCTION III Question Paper - Mumbai University | munotes

Questions asked in this paper

1. Q3 All questions carry equal marks
2. Q1 Attempt any two in detail the structure of a pre mRNA molecule Explain the steps involved in the process of elongation of a polypeptide chain during protein c Explain degeneracy and Wobble as characteristics of the genetic code d_ Describe the structure and function of nucleopore complex 20 marks
3. Q2 Attempt any two carriers and explain their role in transport of solutes across a cell membrane Describe the anatomy of sieve tube elements and companion cells c Describe matric, solute and pressure potential as components of water potential d What is meant by passive transport? Describe the modes of passive transport in plants 20 marks
4. Q3 Attempt any two a What is bioremediation? Discuss the methods of ex situ bioremediation b What is Phytoremediation? Discuss the various processes involved in phytoremediation of c Describe the Monoclimax theory and Polyclimax theory in plant succession d_ Explain the process of succession observed in Xerosere giving examples of plants in each 20 marks
5. Q4 Attempt any two a What is somatic embryogenesis? Give the method of inducing somatic embryogenesis Explain the technique of isolation of protoplast. Add a note on its applications c What is plant cell suspension culture? Discuss its application for the production of secondary d_ Elaborate on the principle and methods involved in plant tissue culture with reference to 20 marks
6. Q5 Attempt any four a Sequestration of toxic compounds Role of transpiration in regulation of leaf temperature c Concept of source and sink Factors involved in bioremediation f Advantages of synthetic seeds 20 marks

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