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Download SGBAU BSc 2019 Summer 6th Sem Biotechnology Plant Biotechnology Question Paper

Download SGBAU (Sant Gadge Baba Amravati university) BSc 2019 Summer (Bachelor of Science) 6th Sem Biotechnology Plant Biotechnology Previous Question Paper

This post was last modified on 10 February 2020

This download link is referred from the post: SGBAU BSc Last 10 Years 2010-2020 Question Papers || Sant Gadge Baba Amravati university


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B.Sc. (Part-III) Semester—VI Examination

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6S : BIOTECHNOLOGY (R/Y)
(Plant Biotechnology)

Time : Three Hours] [Maximum Marks : 80

Note :— (1) All questions are compulsory.

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

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  1. (A) Fill in the blanks :
    1. The movement of ions across cell membrane without need of cellular energy is __________.
    2. Exchange of CO2 and O2 in plants takes place through __________.
    3. T-DNA is found in __________ plasmid.
    4. Use of electric pulse for gene transfer is called __________.
    (B) Multiple choice questions :
    1. Hormone responsible for Apical Dominance is :
      1. (a) Auxin
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      3. (b) Cytokinin
      4. (c) Ethylene
      5. (d) GA
    2. Aseptic inoculation of explant on Nutrient medium requires :
      1. (a) Centrifuge
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      3. (b) Growth chamber
      4. (c) Laminar Air flow
      5. (d) Autoclave
    3. Enzymes required for protoplast isolation are :
      1. (a) Invertases
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      3. (b) Cellulase and Pectinase
      4. (c) Nucleases
      5. (d) Zymase
    4. Triploids are produced by :
      1. (a) Pollen culture
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      3. (b) Anther culture
      4. (c) Endosperm culture
      5. (d) All of the above
    (C) Answer in one sentence each :
    1. Define Organogenesis.
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    3. What is Somaclonal variation ?
    4. Give the role of Autoclave in Tissue culture.
    5. What is Geotropism ?
  2. Describe :
    1. (a) Growth curve.
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    3. (b) Structure of stomata.
    4. (c) Geotropism.
    OR
    1. (d) Apical dominance
    2. (e) Radiant energy.
    3. (f) Phototropism.
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  3. Explain in detail the physiological roles of Auxin. OR Explain in detail the physiological roles of Gibberellins.
  4. Explain in brief :
    1. (a) Practical applications of Tissue culture.
    2. (b) Growth chamber.
    3. (c) Composition of MS medium.
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    OR
    1. (d) Design of Tissue Culture Laboratory.
    2. (e) Commercialization of Tissue Culture.
    3. (f) Autoclave.
  5. Describe :
    1. (a) Micropropagation.
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    3. (b) Hardening methods of Tissue cultured plants.
    4. (c) Embryo rescue.
    OR
    1. (d) Anther culture.
    2. (e) Applications of somaclonal variation.
    3. (f) Callus culture.
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  6. Describe techniques of Single cell suspension culture and its applications. OR Describe protoplast isolation and regeneration in detail.
  7. Describe :
    1. (a) Ti-plasmid.
    2. (b) Somatic hybridization
    3. (c) Gene gun method of gene transfer.
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    OR
    1. (d) Electroporation
    2. (e) Markers for selection of hybrid cells
    3. (f) Cybrids.

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This download link is referred from the post: SGBAU BSc Last 10 Years 2010-2020 Question Papers || Sant Gadge Baba Amravati university

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