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2021 Biology M.Sc. Botany Bharathidasan University, M.Sc Degree Examination, Botany, Nov 2021. Question paper
Are you looking for the old question papers from Bharathidasan University of Botany paper? Here is the previous year question paper from Bharathidasan University. This is the original question paper of Botany exam conducted in Nov 2021. Feel free to download the question paper from here and use it to prepare for your upcoming exams.
PN 15 BO 2
(For candidates admitted from 2015–2016 onwards)
M.Sc. DEGREE EXAMINATION, NOVEMBER 2021.
ANATOMY, EMBRYOLOGY, MICROBIOLOGY, IMMUNOLOGY AND PLANT
Time : Three hours
Maximum : 100 marks
SECTION A — (10 2 = 20)
Answer ALL questions.
10. Systemic acquired resistance
SECTION B — (5 7 = 35)
Answer ALL questions, choosing either (a) or (b).
11. (a) Give a short account on cellular diversity and role of phloem.
(b) Briefly describe the types of trichomes.
12. (a) Explain the origin of lateral roots with suitable diagrams.
(b) List out common stomatal types of angiosperms.
13. (a) What is tapetum? Briefly describe the types of tapetum.
(b) Write short notes on apospory and apogamy with suitable examples.
14. (a) Give a brief account on bacterial cell wall.
(b) Describe the determinants of antigenicity.
15. (a) Comment on the Koch's postulates.
(b) Write a short note on Downy Mildew of Grapes.
SECTION C — (3 × 15 = 45)
Answer any THREE questions.
16. Describe the theories explaining the organization of apical meristem in shoots.
17. Present the internal structure of dicot leaf with a suitable diagram.
18. Write an essay on the pollen-pistil interactions.
19. Explain the types of immunity.
20. Write an essay on rust diseases of wheat.
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