This download link is referred from the post: PTU B.Tech 5th Semester Last 10 Years 2011-2021 Previous Question Papers|| Punjab Technical University
Total No. of Pages : 02
Total No. of Questions : 18
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B.Tech. (Bio Technology) (Sem.-5)
ORGANIC FARMING
Subject Code : BSBT-501-18
M.Code : 78240
Time : 3 Hrs. Max. Marks : 60
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INSTRUCTIONS TO CANDIDATES :
- SECTION-A is COMPULSORY consisting of TEN questions carrying TWO marks each.
- SECTION-B contains FIVE questions carrying FIVE marks each and students have to attempt any FOUR questions.
- SECTION-C contains THREE questions carrying TEN marks each and students have to attempt any TWO questions.
SECTION-A
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Write briefly :
- Soil health card
- Jeev amrit
- Fukuoka farming
- NOx pollution
- Bio fertilizers
- Phytoremediation
- Agnihotra krishi
- Symbiotic N fixation
- Vermi wash
- Biological tests
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SECTION-B
- Write down principles of bio insect control.
- Discuss briefly role of Trichoderma.
- Discuss use of crop residues in organic farming.
- Discuss the biodynamic agriculture.
- Discuss the role of earthworms in organic farming.
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SECTION-C
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- Write down the advantages and disadvantages of myco-herbicides.
- Write down the relevance of organic farming in present context.
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- Discuss role of micro-organisms in degrading pesticides.
- Discuss cultural weed control in context of organic-agriculture.
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- Discuss ill effects of green revolution.
- Discuss different types of biofertilizers in-detail and their role in organic farming.
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NOTE : Disclosure of Identity by writing Mobile No. or Making of passing request on any page of Answer Sheet will lead to UMC against the Student.
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This download link is referred from the post: PTU B.Tech 5th Semester Last 10 Years 2011-2021 Previous Question Papers|| Punjab Technical University