12 th Bio Botany Important Questions
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1 1. TAXONOMY OF ANGIOSPERMS 12 th Bio Botany Important Questions 3- Marks 1. What is the aims of classification? 2. Define Biosystematics. 3. What are the aims of biosystematics 4. What are the methods in the study of biosystematics 5. What is binomial nomenclature? Give an example. 6. What is the ICBN evolved? 7. What is type specimen. 8. What is author citation? Given example. 9. What is nomen ambiguum? 10. What is Tautonym? Give an example. 11. Define Herbarium. 12. What are the fungicide and pesticides in Herbarium. 13. What are the three class of seed plants? 14. Define polypetalae? 15. What is the Gamopetalae? 16. What is Monochlamydeae? 17. What are the three family of Gymnosperms? 18. Systematic position of Laurineae 19. Systematic position of Malvaceae 20. What is epicalyx? 21. What are the three fiber plants of Malvaceae? 22. What are the three food plants of Malvaceae? 23. Any three medicinal plants of Malvaceae? 24. Systematic position of Solanaceae 25. What are types of Inflorescence of Solanaceae. 26. What is atropine? 27. what is stramonium? 28. what are the three medicinal plants of Solanaceae 29. Name the alkaloids found in tobacco. 30. Systematic position of Euphorbiaceae 31. What is cladode give an example. 32. What are the various types of Inflorescence of Euphorbiaceae? 33. Describe the Cythium inflorescence 34. Systematic position of Musaceae. 35. What is Pseudostem. 36. What is Phyllotaxy? 37. What is polygamous? 38. What is Abaca cloth? 5 MARKS 1. Explain Biosystematics? 2. Salient feature of ICBN. 3. Bring out the significance of Herbarium. 4. Outline for Bentham and Hooker classification.
2 5. Merits of Bentham and Hooker classification. 6. Demerits of Bentham and Hooker classification. 7. Economic importance of Malvaceae. 8. Economic importance of Solanaceae. 9. Economic importance of Euhorbiaceae. 10. Economic importance of Musaceae. 11. Different between Musa and Ravenala. 10-MARKS 1. Explain types of classification. 2. Explain Bentham and Hookers classification. 3. Botanical description of Hibiscus rosa-sinensis. 4. Botanical description of Datura metal. 5. Botanical description of Ricinus communis. 6. Botanical description of Musa paradisiaca.
3 2. PLANT ANATOMAY 3 marks 1. Define Tissue. 2. Draw a diagram and labeled the parts of L.S. of shoot meristems. 3. Draw a diagram and labeled the parts of types of parenchyma 4. What is aerenchyma? Give a example. 5. What is stellate parenchyma? 6. Draw a diagram and labeled the parts of types of collenchyma. 7. Different between sclereids and fibres. 8. Draw a diagram and labeled the parts of types of sclerenchyma. 9. Draw a diagram of types of secondary wall thickenings in tracheids. 10. Draw a diagram and labeled the parts of kinds of xylem. 11. Different between sieve cells and sieve tube 12. Draw a diagram and labeled the parts of various types of vascular bundles. 13. What is trichoblasts? 14. Draw a diagram and labeled the parts of ground plan of maize root. 15. What is casparian strips? 16. What is passage cells? 17. Draw a diagram and labeled the parts of ground plan of bean root 18. What is rhizodermis? 19. What is protoxylem lacuna? 20. Draw a diagram and labeled the parts of ground plan of maize stem. 21. What is Eustele? 22. Draw a diagram and labeled the parts of ground plan of sunflower stem. 23. What is dorsiventral leaf? 24. Different between palisade and spongy parenchyma. s 25. What is Isobilateral? Give an example. 5 Marks 1. Write about classification of types Meristems? 2. Expla types of parenchyma? 3. Explain types of collenchyma? 4. Explain types of sclerenchyma? 5. Write notes on vessels or tracheae. 6. Explain epidermal system? 7. Explain conjoint vascular bundles? 8. Expalin ground or fundamental tissue system. 9. Draw a diagram and labeled the parts of T.S. of Maize root. 10. Draw a diagram and labeled the parts of T.S. of Bean root. 11. Different between monocot root and dicot root. 12. Draw a diagram and labeled the parts of maize stem. 13. Draw a diagram and labeled the parts of sunflower stem. 14. Draw a diagram and labeled the parts of sunflower leaf. 15. Differentiate the vascular bundle of the dicot stem and monocot stem 10. Marks 1. Explain xylem. 2. Explain phloem 3. Explain various types of vascular bundles. 4. Explain Maize root or monocot root.
4 5. Explain Bean root or dicot root. 6. Explain maize stem or monocot stem. 7. Explain Sunflower stem or dicot stem. 8. Different between monocot stem and dicot stem. 9. Explain sunflower leaf or dicot leaf. 3. CELL BIOLOGY AND GENETICS 3marks 1. Draw a diagram and labeled the parts of structure of chromosome. 2. Draw a diagram and labeled the parts of four morphogenic types of chromosome. 3. Draw a diagram and labeled the parts of polytene chromosome. 4. Draw a diagram and labeled the parts of lamp brush chromosome. 5. Draw a diagram and labeled the parts of structure of DNA. 6. Draw a diagram and labeled the parts of replication of DNA. 7. Draw a diagram and labeled the parts of structure of trna. 5marks. 1. Explain the structure of chromosome. 2. Explain the types of chromosome. 3. Explain the special types of chromosome 4. Write about classification of mutation. 5. Write the signification of mutation. 6. Write the structure of chromosomal aberrations. 7. Explain Numerical chromosomal aberrations. 8. Write the significance of ploidy. 9. Frederick and Griffith experiments. 10. Explain structure of DNA. 11. Replication of DNA. 12. Structure of trna. 13. Different between DNA and RNA. 14. Write about flow chart ploidy 4. BIOTECHNOLOGY 3marks 1. What is rdna? 2. What is plasmid? 3. rdna is introduced into the host cells are treated where? 4. What is splicing? 5. How is DNA cut? 6. What is ECOR I? 7. What is the role of restriction enzyme in bacteria? 8. What are the transgenic dicotyledonous plants? 9. What are the transgenic monocotyledonous plants? 10. Define Basta? 11. What is superbug? 12. What is Bioremediation? 13. What is gene gun method of delivery of DNA? 14. Define SCP. 15. What are used production of SCP in Algae, Fungi, and Bacteria. 16. Uses of SCP 17. What is totipotency?
5 18. What is protoplast fusion? 19. What are the biotechnology centre in India. 20. What are the culture medium of plant tissue culture. 5Marks 1. Write the Gene transfer in plants? 2. Action of restriction of enzyme? 3. Write Genetically engineered products and functions. 4. How is introduction of foreign gene. 5. Practical application of genetic transformation? 6. Use of genetically engineered bacterial strain? 7. Benefits from release of genetically modified microorganisms into the environment. 8. What are concept of plants culture and explain. 9. Protoplast fusion enzymatic methods explain. 10. What is SCP? What are the uses? 10marks 1. What is recombinant DNA technology explain or Basic technique of genetic engineering 2. Basic techniques of plant tissue culture? 3. Application of plant tissue culture? 4. Explain the protoplast fusion methods? 5. Explain single cell protein (SCP) 5.PLANT PHYSIOLOGY 3Marks 1. Define photosynthesis. 2. What are the pigment involved in photosynthesis? 3. Define PSI and PSII. 4. What is photophosphorylation? 5. What is photolysis of water? 6. What are the conditions of cyclic photophosphorylation? 7. What is dark reaction? 8. What is dimorphic chloroplast? 9. Different between photorespiration and dark respiration. 10. Define chemosynthesis. 11. Over all equation of photosynthesis? 12. What are called total parasites? Give an example. 13. What is respiration? 14. Write the structure of ATP 15. What is glycolysis? 16. Over all equation of glycolysis. 17. What is kerbs cycle.? 18. What is amphibolic process? 19. Define election transport chain? 20. What is oxidative phosphorylation? 21. What is anaerobic process? 22. What is respiratory quotient? 23. Respiratory quotient for anaerobic respiration. 24. Define compensation point. 25. Define fermentation. 26. What is C2 cycle?
6 27. Write the role of following enzyme is respiration a) Aldolase b)succinyl Co-A synthetase 28. What is parasite give an example? 29. What is parasite give an example? 30. What are the three phase of plant growth and explain. 31. What is sigmoid curve? 32. What are the natural Auxin and synthetic Auxin. 33. What is apical dominance? 34. What is Bolding? 35. W.hat is Richmond long effect? 36. What is growth inhibitors give an example? 37. What is photoperiodism? 38. Define vernalization. 39. What are the three class of period of light and darkness for flowering? Explain 40. What is Devernalization? 41. What are the advantages of vernalization? 42. What is long day plant example? 43. What is short day plant example? 44. What is day neutral plant example? 5MARKS 1. Write about significance of photosynthesis? 2. What are the siteof photosynthesis or Structure of Chloroplast? 3. Explain non cyclic photophosphorylation? 4. Explain cyclic photophosphorylation 5. Different between cycle and noncyclic photophosphorylation. 6. Difference between C3and C4 cycle 7. Explain Test tube and funnel experiment. 8. Explain Ganong s light screen experiment. 9. Explain Electron transport chain. 10. Explain Ganong s respiroscope experiment 11. Significance of pentose phosphate pathway. 12. Explain Kuhne s fermentation experiment. 13. Explain phase of growth? 14. Physiological role of Auxin 15. Physiological role of Gibberellins. 16. Physiological role of Cytokinin. 17. Physiological role of Ethylene. 18. Physiological role of Abscisic acid. 10MARKS 1. Explain cyclic and non cyclic photophosphorylation. 2. Explain Calvin cycle or Dark reaction? 3. Explain C3 and C4 pathway. 4. Explain C2 cycle 5. Explain mode of nutrition. 6. Explain Glycolysis 7. Explain Kerbs cycle 8. Explain pentose phosphate pathway?
7 6. BIOLOGY IN HUMAN WELFARE 3MARKS 1. What are the breeding experiments? 2. What are the three major aspects of plant breeding? 3. Define selection. 4. What is moss selection. 5. What are the pure line selection. 6. What is clonal selection? 7. What is hybridization? 8. What is Heterosis? 9. Write about any three green manuring plants. 10. What are the micorrhiza types with explain. 11. What are the Bordeaux mixture. 12. What is the Bhopal tragedy 13. What is edible vaccine? 14. Define Bio war? 15. Define Bio-piracy? 16. What is bioinsecticide? 17. What are the biomedicine? 18. What are the microbes in medicine? 19. What is humulin? 20. Write the medicinal value of Aegle marmelose 21. Write the medicinal value of Solanum nigrum. 5Marks 1. Write about Aims of plant breeding 2. Write about Introduction. 3. Benefits from biofertilizers. 4. Write about Tikka disease of groundnut. 5. Explain disease of Citrus canker 6. Explain Biopatent. 7. Write about some important medicine plants and their uses 8. What is microbes in medicine give an example and explain? 9. Economic importance of Rice 10. Economic importance of Groundnut. 11. Economic importance of Cotton. 12. Economic importance of Teak. Prepared by Mr. D. Rajamani, PG Asst, ACS MHSS, Arni.
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