Q.P Code: 03079 Answer key Q.1. A. Choose correct option: a. Ramentum b. Actinostele c. Monoecious d. Chalk gland e. Xerophytic f. Haploid g. Mesarch h. All of the above i. Reniform j. Trifoliate Q.1. B. Answer in one sentence i. Definition- Chalk gland – 2 marks ii. Casparian thickening – 1 mark definition & 1 mark position – 2 mark iii. Phyllotaxy - Definition–2 mark iv. Cycadales – 2 mark v. Any two types of Stipules with functions – 1 mark each type Q.2. a. Description of Nephrolepis pinna passing through sorus- 6 marks Diagram – 4 marks Q.2.b. Sporangium structure and diagram – 6 marks Dehiscence – 4 marks Q.2. c. Description should include details about Prothallus of Nephrolepis – 7 marks Diagram- 3 marks Q.2. d. Morphology of root – 5 marks Anatomy of root – 5 marks Q.3. a. Microsporophyll of Cycas • Description – 8 marks • Diagram - 2 marks Q.3. b. Alternation of generations in Cycas Description – 5 Marks Diagramatic representation of life cycle – 5 marks Q.3.c. Sporophytic plant body of Cycas Description – 8 marks Diagram of habit – 2 marks Q.3.d. Description for the economic importance of gymnosperms in paper industry – 5 marks Description for the economic importance of gymnosperms in food industry – 5 marks Q.4.a. Venation: • Definition – 1 marks • Types - 5 marks • Diagrams - 4 marks Q.4.b. Incision in simple leaves: • Definition – 1 marks • Types - 5 marks • Diagrams – 4 marks Q.4.c. Systematic position with reasons of family Malvaceae – 3 marks Floral formula – 2 marks General characters – 5 marks Q.4.d. Pancratium caribaeum o Systematic position – 3 marks o Economic importance – 2 marks Agave americana o Systematic position – 3 marks o Economic importance – 2 marks Q.5. Short notes on (any four) a) Atactostele – Description with diagrams - 5 marks b) Nephrolepis – Systematic position with reasons - 5 marks c) Pollination of Cycas – Description – 5 marks d) Coralloid roots - Description with diagrams - 5 marks e) Monochasial cyme – Definition, Description with diagrams - 5 marks f) Pinnately compound leaf – Definition, types with diagrams - 5 marks --------------xxxxxx------------ .