BSc Botany Sem V ATKT BOTANY PAPER III FORM AND FUNCTIONS III Question Paper - Mumbai University | munotes

Questions asked in this paper

1. Q3 All questions carry equal marks
2. Q4 Use of simple calculator is allowed
3. Q1 Attempt any two a Describe the structure and function of nuclear pore complex b Enlist and briefly describe the various functions of cell vacuoles c What are giant chromosomes? Describe in detail the morphology of giant chromosome occurring in the salivary glands of some insect larvae d Describe the process of initiation of translation in prokaryotes 15 marks
4. Q2 Attempt any two a Describe the role of cytokinins as a plant growth regulator b Describe the various environmental factors affecting plant growth c Describe the anatomy of sieve tube elements and companion cells d Define transpiration. State significance of transpiration in plants 15 marks
5. Q3 Attempt any two a With respect to phytoremediation explain the following terms b What is bioaccumulation? Describe the process of bioaccumulation of pollutants in the c What is bioremediation? Discuss the factors involved in bioremediation d Discuss the role of aquatic ecosystem in biomagnification 15 marks
6. Q4 Attempt any two a Obtain the equation of the line of regression of yield of rice (Y) and water (X) Calculate the most probable yield of rice for 40 inches of water b Albino rats were administered with an ayurvedic medicine of 10mg/10kg for 7 days. Initial and final body weights were recorded as shown below. Analyse using paired t test, if the drug has any significant effect on body weight Paper Subject Code: Botany : Paper III - Form and Functions-III . (Rev.) c The following is the data obtained in an experiment Find the linear regression equation of mg of protein (X) on absorbance (Y). also find out the mg of protein when O.D. is 0.38 d The effect of three different concentration of new PGR (plant growth regulators) in ppm is applied on root emergence from leaf cuttings of Begonia. Find out if there is any effect of PGR concentration on root emergence Attempt any three 15 c Experiment involving Girdling of phloem f Significance of Regression analysis 15 marks

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