BSc Sem I 2017 2018 2018 CBZ Botany I Question Paper - Mumbai University | munotes

Questions asked in this paper

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• 2. Figures to the right indicate full marks

1. Q3 Draw neat and labelled diagrams wherever necessary
2. Q1 A. Choose the correct option from the following: 10 marks
   • (a) The chloroplast in Spirogyra is
   • (b) Spirogyra belongs to Division
   • (c) reproduction is absent in Nostoc
   • (i) Vegetative (ii) Sexual (iii) Asexual (iv) None of the above
   • (d) Reserve food material in Chlorophyta is
   • (i) oil and proteins (ii) starch and pyrenoids (iii) protein and starch (iv) protein and fats
   • (e) Mass of delicate , white cottony threads in fungi is known as
   • (f) Cytoplasm in the hyphae of Rhizopus contains
   • (g) Rhizopus belongs to order
   • (h) is a Liverwort
   • (i) Vegetative thallus of Riccia
   • (i) gametophyte (ii) sporophyte (iii) on gametophyte
   • (iv) gametophyte on sporophyte The ventral surface of Riccia thallus possesses
   • (i) scales (ii) smooth walled rhizoids (iii) tuberculated rhizoids (iv) All of the above
   • Q.P. Code :12031
   • B. Answer the following in one sentence: 10
   • (a) What is heterocyst?
   • (b) Define conjugation in Algae
   • (c) Name the female sex organ in Aspergillus
   • (d) Name the asexual reproducing body in Rhizopus
   • (e) Give the functions of scales in Riccia
3. Q2 Answer any two from the following: 20 marks
   • (a) Write a detailed note on range of thallus in Chlorophyta
   • (b) Explain methods of vegetative and sexual reproduction in Nostoc
   • (c) Describe the types of conjugation in Spirogyra
   • (d) Give a detailed account of economic importance of Algae
4. Q3 Answer any two from the following: 20 marks
   • (a) Describe asexual reproduction in Rhizopus. Add a note on its systematic position
   • (b) Discuss sexual reproduction in Aspergillus
   • (c) Give economic importance of Fungi
   • (d) Describe the modes of nutrition in Fungi
5. Q4 Answer any two from the following: 20 marks
   • (a) With the help of neat, labelled diagram, explain the alternation of generations in Riccia
   • (b) detailed account of the V.S. of Riccia thallus
   • (c) Describe the external morphology of Riccia. note on its systematic position
   • (d) Discuss the sporophytic generation in Riccia
6. Q5 Write short notes (any four) 20 marks
   • a) Structure of Nostoc filament
   • b) Vegetative Spirogyra
   • c) Ascocarp of Aspergillus
   • d). food
   • e) Structure of antheridia and male gamete in Riccia

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