Plant Anatomy & Applied Botany 2016-17 Questions

Group – A

1. With labelled sketches describe secondary growth in the Dracaena stem. Why secondary growth in Dracaena is considered as anomalous?
2. How different leaf gap types are formed? Explain with suitable sketches. What is branch trace?
   Mention the functions of leaf gap and branch trace.
3. Give botanical name of the plant, the family to which it belongs, the parts used, and the uses of Turmeric, Yam, Neem, and Mentha.
4. In brief, describe the processing of black tea. How does the processing of black tea differ from the processing of green tea?

Group – B

5. Describe meristem types according to functions. Give an example of each type.
6. In brief, describe anomalous secondary growth in Tecoma stem. Give necessary labelled sketches.
7. Mention characteristics of different types of protostele with diagram and example.
8. Name two species each of Ipecac and Cinchona. Name one active ingredient obtained from each of them mentioning respective uses.
9. Give a concise account of the cultivation of coffee in India.
10. Give scientific name, family and uses of teak wood. How is seasoning of wood done ?

Group – C

11. Define lenticel. Give labelled sketch ( T.S. view ). Mention its functions.
12. Differentiate parenchyma from sclerenchyma tissue.
13. What is a bordered pit? Give labelled sketch. Mention its function.
14. What is plastochron? Mention its function.
15. How is the annual ring formed? How does early wood differ from late wood ?
16. What are secondary metabolites? Name two such economically important metabolites and mention respective uses.
17. Mention the morphological nature of ‘Jute fibre’ and ‘Silk of Maize’. What is the chief chemical constituent of jute fibre?
18. Name the family and four active ingredients obtained from Rauwolfia.