BSc Botany Sem I 2018 19 Nov 2018-19 BOTANY 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) The chloroplast in Spirogyra is shaped
   • b) is not the type of conjugation in Spirogyra
   • c) Chlorophyta contains as main pigments
   • iv) Chlorophyll b &
   • d) Nostoc reproduces by methods
2. Q1 vegetative and asexual li) vegetative and sexual vegetative, sexual and asexual iv) sexual and asexual
   • e) Fruiting body of Aspergillus. is called 3
   • f) Mass of white, cottony threads of fungi are called
   • g) Rhizopus belongs to order
   • h) The aquatic species of Riccia is
3. Q1 represents the main plant body of Riccia
4. Q1 Sporophyte. ii) Gametophyte Sporophyte on Gametophyte
   • iv) None of the above
   • j) Riccia reproduces vegetatively by
5. Q1 fragmentation 1i) tuber formation iii) persistent apices iv) all of the above
   • B. Answer the following in one sentence: 10
   • a) What is coenobium ?
   • b) What is coenocytic mycelium ?
   • c) Define haustoria
   • d) Why bryophytes are called amphibians of plants
   • e) State the functions of heterocyst
6. Q2 Answer any two from the following : 20 marks
   • a) Describe vegetative cell structure of Spirogyra. Add a note on its systematic position
   • b) Write a detailed note on range of thallus in chlorophyta
   • c) Explain reproduction in Nostoc
   • d) Write an account on alternation of generations in chlorophyta
7. Q3 Answer any two from the following: 20 marks
   • a) Give the beneficial aspects of fungi
   • b) Describe the modes of nutrition in fungi
   • c) Explain asexual reproduction of Aspergillus in detail
   • d) Discuss sexual reproduction in Rhizopus
8. Q4 Answer any two from the following: 20 marks
   • a) Describe the structure of sex organs in Riccia
   • b) Write a detailed account on general characters of Hepaticae
   • c) Give the systematic position and describe the external morphology of Riccia
   • d) Describe V.S. of thallus of Riccia
9. Q5 Write short notes on (any four): 20 marks
   • a) Algae as biofertilizers Thallus structure of Rhizopus
   • d) Systematic position of Aspergillus
   • e) Fertilization in Riccia
   • f) Types of rhizoids in Riccia

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