BSc Botany Sem II 2016 17 2016-17 Botany I Question Paper - Mumbai University | munotes

Questions asked in this paper

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• 2. Figures to the right indicate full marks

1. Q3 Draw neat and labeled diagram whenever necessary
2. Q1 A) Choose the correct option from the following 10 marks
   • a) The sori are present on of the leaf
   • i) margin ii) abaxial surface iii) adaxial surface along the midrib
   • b) The _ are also known.as chalk glands
   • c) in Nephrolepis is
   • d) The number of integuments present in Cycas ovule is/are :
   • e) The coralloid roots of Cycas shows symbiotic association. with
   • i) ii) iii) Azatobactor iv) all of above
   • f) Gymnosperms are characterized by
   • i) winged ii) multiple sperms iii) seeds enclosed in fruits iv) naked seeds
   • g) Pollination in Cycas is exclusively by
   • h) swollen leaf base in is called pulvinus leaf base
   • i) The free natural stipules are found in
   • j) is a special type of inflorescence found in fig Answer the following in one sentence. 10
   • a) Give the types of multicostate reticulate venation
   • b) Name the types of simple racemose inflorescence with elongated peduncle
   • c) Give two gymnosperm plants used as medicine
   • d) Name any two most primitive types of stele
   • e) Mention the position and function of hydathode. [P.T.O]
   • Q.P. Code : 03080
3. Q2 Answer any two from the following: 20 marks
   • a) Describe the external morphology of Nephrolepis
   • b) Describe the structure of gametophyte and sex organs in Nephrolepis
   • c) Explain the internal structure of rhizome in Nephrolepis
   • d) Describe the types of protostele with suitable diagrams & examples
4. Q3 Answer any two from the following
   • a) Explain the xerophytic adaptations in Cycas with the help of T. S. of pinna
   • b) Explain the internal morphology of young roots of Cycas
   • c) What is megasporophyll ? Describe the structure of ovule in Cycas
   • d) Write an account of economic importance of gymnosperms with respect to timber & resins
5. Q4 Answer any two from the following 20 marks
   • a) With the help of diagrams & suitable examples, explain the types of margin & apex in leaf
   • b) Define inflorescence. Give an account.on cymose types of inflorescence
   • c) Give systematic position, floral formula-and general characters of family MALVACEAE
   • d) Assign the given plants to their respective families giving reasons. Add.a note on their economic importance
   • ii) caribaeum
6. Q5 Write short notes (any four) 20 marks
   • a) Systematic position of Nephrolepis
   • b) Solenostele
   • c) Male cone of Cycas
   • d) Alternation of generations of Cycas
   • e) Pinnate type of leaf incision
   • f) Verticillaster inflorescence

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