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

Download PTU (Punjab Technical University) B.Tech (Bachelor of Technology) / BE (Bachelor of Engineering) 2021 January BT-Biotechnology 5th Sem 78240 Organic Farming Previous Question Paper

Roll No.
Total No. of Pages : 02
Total No. of Questions : 18
B.Tech. (Bio Technology) (Sem.?5)
ORGANIC FARMING
Subject Code : BSBT-501-18
M.Code : 78240
Time : 3 Hrs. Max. Marks : 60
INST RUCT IONS T O CAND IDAT ES :
1 .
SECT ION-A is COMPULSORY cons is ting of TEN questions carrying TWO marks
each.
2 .
SECT ION-B c ontains F IVE questions c arrying FIVE marks eac h and s tud ents
have to atte mpt any FOUR q ues tions.
3 .
SECT ION-C contains THREE questions carrying T EN marks e ach and s tudents
have to atte mpt any T WO questio ns.
SECTION-A
Write briefly :
1) Soil health card
2) Jeev amrit
3) Fukuoka farming
4) NO3 pollution
5) Bio fertilizers
6) Phytoremediation
7) Agnihotra krishi
8) Symbiotic N fixation
9) Vermi wash
10) Biological tests
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SECTION-B
11) Write down principles of bio insect control.
12) Discuss briefly role of Trichoderma.
13) Discuss use of crop residues in organic farming.
14) Discuss the biodynamic agriculture.
15) Discuss the role of earthworms in organic farming.
SECTION-C
16) i) Write down the advantages and disadvantages of myco-herbicides.
ii) Write down the relevance of organic farming in present context.
17) i) Discuss role of micro-organisms in degrading pesticides.
ii) Discuss cultural weed control in context of organic agriculture.
18) i) Discuss ill effects of green revolution.
ii) 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.
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