BSc Botany Sem IV 2019 20 Oct 2019-20 ATKT BOTANY I Question Paper - Mumbai University | munotes

Questions asked in this paper

• 2. Figures to the right indicate full marks

1. Q3 Draw neat and labelled diagrams wherever necessary
   • A) Choose the correct option from the following: 10
   • a. is used in production of Wine, beer, rum and whisky
   • b. The study of fungus isknownas The cytoplasm of male and female sex organ fuse with each other, the process
   • d. commonly known as morel or black mushroom,
   • i) Morchella ii) Agaricus iii) Vaucheria iv) none of the above
   • e. Selaginella is
2. Q1 homosporous ii) hetreosporous iii) zoosporous iv) all of the above
   • f. The inner wall of
   • i) exine ii) intine iii) nexine iv) none of the above
   • g. The first land masses were formed by
   • i) igneous rocks __ ii) sedimentary iii) metamorphic none of the above
   • h. is the best but perhaps rarest type of fossil
   • i. is a resinous excretions of certain fossil conifers which flowed due to injuries caused by boring insects or decaying branches Chamberlain divide the group Gymnosperms into _ classes, 0.1 B) Answer the following in one sentence: 10)
   • a) Define Mycology
   • b) Causal organism of Powdery Mildew
   • c) Define Paleobotany
   • d) What is chemotaxis?
   • e) Meaning of term Gymnosperms Semester IV Botany — | 100 Marks Answer any two from the following: 20
   • a) Give a detailed account on economic importance of Lichens
   • b) Elaborate on the disease cycle of late blight of potato
   • c) Giving reasons give systematic position of Xvlaria
   • d) Discuss general characters of Ascomyceteae : Answer any two from the following: 20
   • a) What are the salient features of Psilophyta?
   • b) Write a note on: Petrification and Incrustation
   • c) Give the systematic position of Rhynia
   • d) With neat and labeled diagram explain T.S. of root of
3. Q4 Answer any two from the following: 20 marks
   • a) Elaborate on the salient features of Coniferophytes
   • b) Write a note on the T.S. of Young stem of Pinus
   • c) Describe T.S of leaf of
   • d) Discuss the economic importance of Coniferophytes
4. Q5 Short note on (any four): 20 marks
   • a) Ultra structure of haustorium as observed in Erysiphe
   • b) Ascomycetes in Industry
   • c) Impression type of Fossil
   • d) Stele observed in Se/aginella
   • e) Pollination seen in Pinus,
   • f) Seed of Cordaites

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