Download PTU B.Tech 2021 Jan BT-Biotechnology 5th Sem 78240 Organic Farming Question Paper

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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 :

1. SECTION-A is COMPULSORY consisting of TEN questions carrying TWO marks each.
2. SECTION-B contains FIVE questions carrying FIVE marks each and students have to attempt any FOUR questions.
3. 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 :

1. Soil health card
2. Jeev amrit
3. Fukuoka farming
4. NOx pollution

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5. Bio fertilizers
6. Phytoremediation
7. Agnihotra krishi
8. Symbiotic N fixation
9. Vermi wash

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10. Biological tests

SECTION-B

1. Write down principles of bio insect control.
2. Discuss briefly role of Trichoderma.
3. Discuss use of crop residues in organic farming.

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4. Discuss the biodynamic agriculture.
5. Discuss the role of earthworms in organic farming.

SECTION-C

1. 1. Write down the advantages and disadvantages of myco-herbicides.
   2. Write down the relevance of organic farming in present context.

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2. 1. Discuss role of micro-organisms in degrading pesticides.
   2. Discuss cultural weed control in context of organic-agriculture.
3. 1. Discuss ill effects of green revolution.

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   2. Discuss different types of biofertilizers in-detail and their role in organic farming.

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.