BSc Botany Sem I 2018 19 Nov 2018-19 BOTANY BATANY PAPER I Question Paper - Mumbai University | munotes

Questions asked in this paper

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• ii) Figures to the right indicate full marks

1. Q1 A. Choose the correct option from the following: 10 marks
   • a) are also called resting spores
   • b) Nostoc is used in reclamation of soils
2. Q1 acidic and saline 1i) sandy and acidic iii) alkaline and sandy
   • iv) alkaline and saline
   • c) In Spirogyra, when cells from opposite filaments take part in sexual reproduction it is
   • iv) None of the above
   • d) Spirogyra shows types of alternation of generation
   • e) In Aspergillus, the conidia are formed in succession
3. Q1 basipetal 11) acropetal basipetal and acropetal none of these
   • f) The cytoplasm of Rhizopus mycelium is
   • g) Mass of white, delicate cottony threads is collectively known as
   • h) Sporophyte in liverworts is
4. Q1 fully independent li) partially dependent on gametophyte ili) partially independent iv) fully dependent on gametophyte
5. Q1 In Riccia, the thallus reproduces vegetatively by
6. Q1 fragmentation li) persistant apices tuber formation iv) all of the above
   • j) The antherozoids of Riccia are
   • B. Answer the following in one sentence: 10
   • a) Name the orders of Spirogyra and Nostoc
   • b) Define conjugation
   • c) What are chlamydospores?
   • d) Define Parasitism
   • e) Give the functions of scales in Riccia
7. Q2 Answer any two from the following : 20 marks
   • a) Give economic importance of algae as biofertilizers and food
   • b) Describe sexual reproduction in Spirogyra
   • c) Give the systematic position of Nostoc. Add a note on its occurrence and economic
   • d) Write a detailed account on range of thallus in chlorophyta
8. Q3 Answer any two from the following: 20 marks
   • a) Describe sexual reproduction in Aspergillus
   • b) Give systematic position and asexual reproduction of Rhizopus
   • c) State the general characters of phycomycetes
   • d) Write a detailed account on economic importance of fungi
9. Q4 Answer any two from the following: 20 marks
   • a) Describe the external morphology of Riccia. Add a note on its systematic position
   • b) Give an account of the sporophytic generation of Riccia
   • c) Write a detailed account on general characters of Hepaticae
   • d) Describe the V.S. of thallus of Riccia
10. Q5 Write short notes on (any four): 20 marks
    • a) Structure of Nostoc vegetative cell
    • b) Systematic position of Spirogyra Thallus structure of Aspergillus
    • d) Saprophytism as a mode of nutrition in fungi
    • e) Vegetative reproduction in Riccia Riccia spore and its germination

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