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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- (A) Fill in the blanks :
- Seed with endosperm is known as . ½
- __ is the measure of the quality of seed and involves the viability of seed. ½
- __ is the mechanism to prevent germination during unsuitable ecological conditions. ½
- Fusion of male gametes with female gametes is known as . ½
- s required by the germinating seed for metabolism. ½
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(a) Methane (b) Sulphur
(c) Oxygen (d) None of above - Pollination carried out by insect is known as : ½
(a) Anaemophily (b) Entomophily
(c) Hydrophily (d) None of above - Meiosis is a process in which there is formation of _ haploid spores. ½
(a) One (b) Two
(c) Three (d) Four - Micropropagation was first put forth by ~ in 1960 in Orchid. ½
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(c) Morell (d) Hildrebrandt
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- Define Autogamy. 1
- Define apomixis. 1
- Define fertilisation. 1
- What is the use of electrophoresis ? 1
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- Comment on :
- Texture of seed. 3
- Nuclear endosperm. 3
- Harvestable maturity of seeds. 3
- Sequential approach in testing. 3
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- Use of laboratory techniques. 3
- Electrophoresis. 3
- Diauxic development of fruit. 3
- Describe in detail factors affecting seed germination and its implications 12 OR Explain :
- Chemical composition of seeds. 6
- Seedling abnormalities in dicot crop. 6
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- Describe in brief seed germination stimulators and inhibitors 12 OR Explain :
- Seed dormancy and ecological implications. 6
- Seed deterioration during storage. 6
- Comment on :
- Seed longevity. 3
- Seed pelleting. 3
- Significance of micropropagation techniques. 3
- Artificial seed production. 3
- Seed vigour. 3
- Treatment to minimize seed ageing 3
- Problems of seed dormancy. 3
- Scope and limitations in micropropagation techniques. 3
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- Discuss :
- Nature and scope of plant breeding. 3
- DUS system. 3
- Structure of microsporangium. 3
- Development of female gametophyte. 3
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- Structure of Megasporangium. 3
- Autogamy. 3
- Grow out test in cotton. 3
- Objectives of plant breeding. 3
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- Explain :
- Bio-chemical basis of self incompatibility. 3
- Germination of pollen grain 3
- Parts of plants used for propagation. 3
- Double fertilisation. 3
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- Utility of male sterility in hybrid seed production 3
- Agencies for cross pollination, 3
- Structure of flower. 3
- 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