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Bihar Board Exam CLASS-12 Model Question Papers - Agriculture

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Exam Name :  Bihar Board Exam CLASS-12 Model Question Papers

Subject : Agriculture

Year : 2017

Model Set - I

Time : 3 Hours 15 minutes] [Full marks : 70]
Instructions to the candidate :
1.Candidates are required to give their answers in their own words as far as
2. Figures in the right hand margin indicate full marks.
3. Write group number and question number with every answer
Answer all Questions
(The following question Nos. 1 to 28 there is only one correct answer against each
queston. For each question, mark the correct option on the answer sheet) : 28×1=28
1. Not the example of Annual crop :
(a) wheat (b) onion
(c) gram (d) mustard
2. Small size seed crop is / are :
(a) cauliflower (b) maize
(c) wheat (d) gram
3. variety of September Arhar :
(a) Sharad (b) Bahar
(c) Malviya (d) Narendra Arhar
4.Botanical name of wheat is :
(a) Oryza sativa (b) Zea mays
(c) Triticum aestivum (d) Cajanus cajan
5. Disease of Groundnut crop :
(a) Loose smut (b) Tikka disease
(c) Wilt disease (d) Collar rot
6. Type of cropping system is :
(a) Mono-cropping system (b) Multiple-cropping system
(c) Both (a) and (b) (d) None of these
7. Varieties of Pea crop :
(a) Rachna (b) Aparna
(c) Pusa Prabhat (d) All of these
8. Reclamation of Acid Soils by :
(a) CaO and MgO (b) Ca(OH)2 and Mg(OH)2
(c) CaCO3 and MgCO3 (d) None of these
9. Due to physical effect of lime on soil :
(a) Increase in soil P.H
(b) Increase in Infiltration or percolation
(c) High decomposition of carbonic matter
(d) Bacterial activity increase
10. Rabi weed is :
(a) Agremone maxicana (b) Trianthema mongyna
(c) Boerhavia diffusa (d) Commelina nudiflora
11. Example of contact herbicide :
(a) 2] 4] 5&D (b) MCPA
(c) Kock (d) All of these
12. Nitrogen in oil-cake is :
(a) 0.8 – 2.0% (b) 2.0 – 7.0%
(c) 1.0 – 2.0% (d) 0.5 – 0.6%
13. Forest area out of total geographical area of Bihar is approx. :
(a) 6.59% (b) 12.52%
(c) 2.34% (d) 15.33%


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Courtesy: Bihar Board


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