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Download SGBAU BSc 2019 Summer 1st Sem Seed Technology Seed Development Seed Physiology n Introduction To Plant Breeding Question Paper

Download SGBAU (Sant Gadge Baba Amravati university) BSc 2019 Summer (Bachelor of Science) 1st Sem Seed Technology Seed Development Seed Physiology n Introduction To Plant Breeding 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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Time : Three Hours| [Maximum Marks : 80

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B.Sc. (Part-1) Semester—1 Examination
SEED TECHNOLOGY (VOC)
(Seed Development, Seed Physiology and Introduction to Plant Breeding)

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. Seed with endosperm is known as . ½
    2. __ is the measure of the quality of seed and involves the viability of seed. ½
    3. __ is the mechanism to prevent germination during unsuitable ecological conditions. ½
    4. Fusion of male gametes with female gametes is known as . ½
    (B) Choose the correct alternative (MCQ) :
    1. s required by the germinating seed for metabolism. ½

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      (a) Methane (b) Sulphur
      (c) Oxygen (d) None of above
    2. Pollination carried out by insect is known as : ½
      (a) Anaemophily (b) Entomophily
      (c) Hydrophily (d) None of above
    3. --- Content provided by FirstRanker.com ---

    4. Meiosis is a process in which there is formation of _ haploid spores. ½
      (a) One (b) Two
      (c) Three (d) Four
    5. Micropropagation was first put forth by ~ in 1960 in Orchid. ½
      (a) Flemming (b) Schenk

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      (c) Morell (d) Hildrebrandt
    (C) Answer in one sentence :
    1. Define Autogamy. 1
    2. Define apomixis. 1
    3. Define fertilisation. 1
    4. What is the use of electrophoresis ? 1
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  2. Comment on :
    1. Texture of seed. 3
    2. Nuclear endosperm. 3
    3. Harvestable maturity of seeds. 3
    4. Sequential approach in testing. 3
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    OR
    1. Use of laboratory techniques. 3
    2. Electrophoresis. 3
    3. Diauxic development of fruit. 3
  3. Describe in detail factors affecting seed germination and its implications 12 OR Explain :
    1. Chemical composition of seeds. 6
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    3. Seedling abnormalities in dicot crop. 6
  4. Describe in brief seed germination stimulators and inhibitors 12 OR Explain :
    1. Seed dormancy and ecological implications. 6
    2. Seed deterioration during storage. 6
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  6. Comment on :
    1. Seed longevity. 3
    2. Seed pelleting. 3
    3. Significance of micropropagation techniques. 3
    4. Artificial seed production. 3
    OR
    1. Seed vigour. 3
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    3. Treatment to minimize seed ageing 3
    4. Problems of seed dormancy. 3
    5. Scope and limitations in micropropagation techniques. 3
  7. Discuss :
    1. Nature and scope of plant breeding. 3
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    3. DUS system. 3
    4. Structure of microsporangium. 3
    5. Development of female gametophyte. 3
    OR
    1. Structure of Megasporangium. 3
    2. Autogamy. 3
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    4. Grow out test in cotton. 3
    5. Objectives of plant breeding. 3
  8. Explain :
    1. Bio-chemical basis of self incompatibility. 3
    2. Germination of pollen grain 3
    3. --- Content provided by FirstRanker.com ---

    4. Parts of plants used for propagation. 3
    5. Double fertilisation. 3
    OR
    1. Utility of male sterility in hybrid seed production 3
    2. Agencies for cross pollination, 3
    3. Structure of flower. 3
    4. --- Content provided by FirstRanker.com ---

    5. Cytoplasmic sterility. 3

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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