BSc Biochemistry Sem I ATKT BIO CHEM BOTANY 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) The study of algae is known as
   • b) is the reserve food material in Nostoc
   • c) The outer layer of Spirogyra cell wall is made up of
   • d) Cytoplasm of Rhizopus hyphae is
   • e) The fruiting body of Aspergillus is known as
   • f) are sexual spores of fungi
   • g) Coenocytic mycelium is characteristics of class
   • i) The sporophyte of liverwort is
   • j) The neck of Riccia archegonia consists of a vertical row of neck canal cells
   • B. Answer the following in one sentence: 10
   • a) Give two examples of unicellular algae
   • b) State the role of heterocyst of Nostoc
   • c) Define saprophytism
   • d). Write functions of scales in Riccia
   • e) What are nurse cells ? Answer any two from the following : 20
   • a) Describe sexual reproduction in Spirogyra
   • b) Give an account on range of thallus in Chlorophyta
   • c) Describe the structure of colony, single filament and cell structure of Nostoc
   • d) Discuss different types of vegetative and asexual reproduction in Chlorophyta
2. Q3 Answer any two from the following: 20 marks
   • a) Give an account of general characters of Phycomycetes
   • b) Describe asexual reproduction in Aspergillus. Add a note on its systematic position
   • c) Explain life cycle of Rhizopus with the help of a schematic diagram
   • d) Give an account of beneficial activity of fungi
3. Q4 Answer any two from the following: 20 marks
   • a) Describe V.S of Riccia thallus. Add a note on its systematic position
   • b) Give a detailed account of general characters of Hepaticae
   • c) Describe the internal structure of sporophyte in Riccia. Add.a note on its spore structure and
   • d) Give the systematic position of Riccia and describe various modes of vegetative reproduction
4. Q5 Write short notes on (any four): 20 marks
   • a) Algae used as food and fodder
   • b) Vegetative cell of Spirogyra
   • c) Parasitism
   • d) Thallus structure of Rhizopus
   • e) Riccia antheridium
   • f) Alternation of generation in Riccia

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