BSc Botany Sem IV 2018 19 Apr 2018-19 BOTANY PAPER I Question Paper - Mumbai University | munotes

Questions asked in this paper

• 2. Figures to the right indicate full marks

1. Q1 (A) Choose the correct option from the following & rewrite the sentence. 10 marks
   • i. Ascospores are in origin
   • a. exogenous b. endogenous
   • c. epigynous d. perigynous il. The fruiting body of Erysiphe is called
   • a. apothecium b. perithecum
   • c. d. peridium lil. Usnea is an example of Lichen
   • a. crustose b. fructicose
   • c. terricose d. foliose
   • iv. Selaginella is a
   • a. Angiosperm b. Pteridophyte
   • c. Bryophyte d. Gymnosperm is not used as fungicide to control Late blight of Potato
   • a. Xanthane b. Karathane
   • vi. is heterosporous
   • a. Rhynia b. Calamites
   • c. Nephrolepis d. Selaginella Vil. fossil is the best kind of fossil
   • a. Pterified b. Cast
   • c. Mummified d. Amber Vill. Pinus archegonium do not possess
   • ix. In Pinus, the pollen grains are in colour
   • a. yellow b. red
   • c. green d. brown
   • x. Inner cortex of Cordiates stem show
2. Q1 (B) Answer the following in one or two sentence: 10 marks
   • i. Name the fruiting body of Xylaria. Mention the number of spores found in
   • ii. Name the plant disease and symptoms caused by Phytophthora infestans lil. What is geological time scale? Name any one era
   • iv. Mention the types of shoot seen in Pinus Give the other name of root and seed of Cordiates
3. Q2 Answer any two from the following: 20 marks
   • i. With the help of neat labeled diagram explain sexual reproduction in il. Explain in detail the sexual reproduction in Erysiphe
   • iii. Give a detailed account of disease cycle of powdery mildew. Add a note on its
   • iv. Discuss the economic importance of Lichen
4. Q3 Answer any two from the following: 20 marks
   • i. Give an account of Lepidophyta. Add a note on its classification up to order
   • ii. With reference to Selaginella describe i) T.S. of rhizophore ii) T.S. of stem
   • iii. What is fossilization? Describe any two types of fossil studied by you
   • iv. Explain the asexual reproduction in Rhynia. Add a note on its classification
5. Q4 Answer any two from the following: 20 marks
   • i. Give the salient features of Coniferophyta li. Describe T.S. of Pinus old stem with the help of neat labelled diagram
   • iii. Describe the male cone of Pinus. Add a note on its systematic position
   • iv. With reference to Cordaites describe i) Male strobilus ii) Female Strobilus
6. Q5 Write short notes. (Any Four) 20 marks
   • i. Systematic position of Xylaria il. Classification on lichen based on habitat
   • iii. T.S. of Selaginella leaf
   • iv. T.S. of Rhynia stem Structure of Pinus seed
   • vi. Systematic position of Cordaites

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