Download SGBAU BSc 2019 Summer 2nd Sem Botany Gymnosperm Morphology Of Angiosperm n Utilization Of Plants Question Paper

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B.Sc. (Part—I) Semester—II Examination

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BOTANY

(Gymnosperm, Morphology of Angiosperms and Utilization of Plants)

Time : Three Hours| [Maximum Marks : 80

Note :— (1) There are seven questions in all.

(2) Question No.1 is compulsory and carries 8 marks.

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(3) Question Nos. 2—7 carry equal marks.

(4) Draw neat and well labelled diagrams wherever necessary.

1. (A) Fill in the blanks :
   1. The modification of stem in Ginger is .
   2. The root of Lyginopteris oldhamia is called .
   3. Cruciform corolla is characteristic feature of family ___ .

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   4. The arrangement of flowers on the peduncle is called as .
   (B) Choose the correct alternatives [MCQs] :
   1. Cyathium inflorescence is found in
      1. Ocimum
      2. Euphorbia
      3. Datura
      4. Tridex

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   2. The botanical name of Shatavari is :
      1. Aloe Vera
      2. Ocimum sanctum
      3. Asparagus racemosus
      4. Rauwolfia serpentina

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   3. In Radish taproot is modified into :
      1. Conical root
      2. Napiform root
      3. Prop root
      4. Fusiform root

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   4. Morphological type of fruit in cotton is :
      1. Capsule
      2. Drupe
      3. Pepo
      4. Berry

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   (C) Answer in one sentence :
   1. Define Phyllotaxy.
   2. What is flower ?
   3. What are fossils ?
   4. What is the function of Pneumatophore ?

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2. (a) Impression. (b) Geological time scale (only table). (c) Anatomy of stem in Bennettites (d) Compression.

   OR

   (e) T.S. of stem of Lyginopteris oldhamia. (f) Process of fossilization.
3. (g) Describe L.S. of ovule in Gnetum.

   OR

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   Describe the male cone and male gametophyte in Pinus.
4. (h) Affinities of Gymnosperms with Angiosperms.
5. Comment on :
   1. Napiform root.
   2. Corm.
   3. Bipinnate compound leaf.

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   4. Phylloclade.
   5. Parallel venation.
   6. Annuals and Perennials.
6. Comment on :
   1. Capitulum inflorescence.

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   2. Entomophily.
   3. Marginal Placentation.
   4. Papilionaceous corolla.
   5. Verticillaster inflorescence
   6. Adhesion of Stamens

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7. Describe varieties and economic importance of Potato (any four).

   OR

   1. Describe varieties and economic importance of Potato.
   2. Describe varieties and economic importance of Cotton.

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8. Comment on :
   1. Economic importance of Black Pepper.
   2. Sources of Bamboos.
   3. Medicinal uses of Azadirachta indica.

   OR

   1. Economic importance of Cardamom.

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   2. Medicinal uses of Withania somnifera.
   3. Economic importance of Eucalyptus.

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