BSc Botany Sem II 2018 19 May 2018-19 BOTANY PAPER I Question Paper - Mumbai University | munotes

Questions asked in this paper

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1. Q1 A Choose the correct option from the following and rewrite the sentence. 10 marks
   • a. is required for guttation on Nephrolepis leaflets
   • b. In Nephrolepis the vascular bundle with xylem in the centre, surrounded by phloem
   • c. Stolons of Nephrolepis arise from
   • d. Nephrolepis sporangium produces number of haploid kidney shaped spores
   • e. The stem of female plant of Cycas shows growth
   • g. Cycas shows type of Pollination
   • h. stipules are found in Rosa indica Pulvinus leaf base is found in leaf Agave americana is commonly known as Answer the following in one sentence 10
   • a) What is Indusium? Give its functions
   • b) Define Chemotaxis Which are the two main species of Cycas found in India?
   • d) State the method of Seed germination in Cycas
   • e) Define Opposite decussate leaf phyllotaxy
2. Q2 any two of following: 20 marks
   • a. Give an account of external morphology of Nephrolepis
   • b. Describe primitive types of steles giving suitable examples
   • c. Describe the structure of prothallus and sex organs in Nephrolepis
   • d. Describe the structure of sporangium of Nephrolepis. note on its dehiscence
3. Q3 Answer any two of the following: 20 marks
   • a. Describe T.S. of Cycas leaflet
   • b. Describe in detail external morphology of Cycas plant
   • c. Describe microsporophyll of Cycas
   • d. Give an account of economic importance of gymnosperms
4. Q4 Answer any two of the following: 20 marks
   • a. Give classification, distinguishing characters, two plants of economic importance and floral formula of family Malvaceae
   • b. Explain any five types of Cymose inflorescence giving suitable examples
   • c. What is palmately compound leaf? Describe its various types
   • d. Assign the following plants to their respective families giving reasons and give their
   • 1) Gossypium hirsutum
5. Q5 Write short notes on any four: 20 marks
   • a. Hydathode of Nephrolepis
   • b. Ramentum Systematic position of Cycas
   • d. Parts of a typical leaf Reticulate Venations & its types
   • f. Distinguishing characters of Amaryllidaceae

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