ICAR ARS NET Previous Questions on Agricultural Biotechnology

1. Which of the following pairs are anomers?
a) Ribose and Ribulose
b) Glucose and mannose
c) Pyruvate lactate
d) α-D-glucose and β-D-glucose
2. Hybridoma technology is used in the production of
a) mRNA
b) Monoclonal serum
c) Monoclonal antibodies
d) Polyclonal antibodies
3. For mitochondrial structure and function mt-DNA specifies
a) 10%
b) 20%
c) 30%
d) 40%
4. Which of the following reagent is useful for visualizing DNA?
a) Uracil
b) DNA polymerase
c) Diphenylamine
d) Ethidium bromide
5. Homologous pairs line up along equatorial plane during
a) Anaphase II
b) Metaphase I
c) Telophase
d) Interphase
6. Between mitotic divisions, the cell is in
a) G0
b) G1
c) G2
d) S phase
7. Most plant cells are surrounded by a rigid  cell wall made primarily of
a) Monosaccharides
b) Pectin
c) Chitins
d) Polysaccharides
8. The organelle that functions in the breakdown of cells and tissues is the
a) Episomes
b) Mitochondrion
c) Centrosomes
d) Lysosomes
a) Is found only in animals
b) is a system of membrane bound channels
c) is called rough if mitochondria is attached to it
d) is a site of ATP production
10. “9+2” describes the basic structure of which of the following one
a) chromosome
b) Basal body
c) Chloroplast
d) Flagellum
11. The function of nucleus includes
a) Cellular respiration
b) Synthesis of proteins
c) Housing the hereditary information
d) Synthesis of carbohydrates
12. Bacculoviruses
a) RNA viruses
b) DNA viruses
c) Both a and b
d) None of the above
13. Secondary metabolites like antibiotics are not essential for
a) Log phase growth
b) Exponential growth
c) Both a and b
d) None of these
14. The restriction enzymes useful to the molecular biologist belongs to
a) Type I
b) Type II
c) Type III
d) Type IV
15. Which of the following vector is suitable for DNA sequencing
b)PBR 322
c) M 13
d) Lambda
16. During which process, the free end of the chromosome moves from Hfr donor in to the F cell across an intracellular bridge called piles
a) Transformation
b) Transduction
c) Conjugation
d) All of these
17. Francis Jacob and Monod Proposed
a) Lock and Key Hypothesis
b)Gene for Protein Synthesis
c) Operon Synthesis
d) Gene for protein synthesis
18. State which of the following is not a desired characteristic of a vector?
a) Unique restriction site
b) Large Size
c) Gene that confer antibiotic resistance
d) Autonomous replication
19. Which of the following is a carrier hosts for new genes?
a) EcoRI
b) Bacteriophages
c) Nucleus
d) Transplanted Organs
20. Which of the following chemical is used for preparation of competent cell?
a) HCl
b) NaCl
c) CaCl2
d) Glycine
1.d) α-D-glucose and β-D-glucose 2.c) Monoclonal antibodies
3.a) 10% 4. d) Ethidium bromide 5.b) Metaphase I
6.b) G7.d) Poly saccharides 8.d) Lysosomes
9.b) is a system of membrane bound channels 10.d) Flagellum
11.c) Housing the hereditary information 12. b)DNA viruses
13.c) Both a and b 14.b) Type II 15.c) M 13 16.c) Conjugation
17.c) Operon Synthesis 18.b) Large Size 19.b) Bacteriophages 20.c) CaCl2
Must Read: Previous Questions on Agricultural Biotechnology (Questions: 21-4041-60, 61-80)


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  1. nice work.............thanksssssssssss

  2. thanks for yr help....these questions are very useful.

  3. these questions are very helpful thanks 4 the help.

  4. Very Informative site...

  5. Please some one send ARS MAIN previous year papers of agricultural biotechnology to my E mail ID [email protected].

    Thanking you

  6. Thanks for ur help

  7. Please send question bank of agricultural biotechnology(objective questions) to my E mail ID [email protected].

    Thanking you

  8. Please send me question bank of veterinary pathology group....for net 2014 to my email-id [email protected]

  9. plz send me ASRB NET papers of Animal genetics and breeding to my mail id neelima.neel2012@gmailcom.
    thank you

  10. Nice....its very helpful... Thanks a lot

  11. plz send me net exam question papers of net exam for the subject of agricultural extension. my mail id is [email protected]

  12. Plz send me ASRB net question paper,last 10 year on my mail id [email protected]

  13. very nice... keep it up....kindly sent me the previous year question bank for agricultural biotechnology... it will be helpful for me....thank you very much.... may your service continue for ever and ever......

  14. Send me ars agrl biotechnology 10yrs prevs questions and answrs. My mail id is [email protected]

  15. pls mail me question papers on ASRB/NET 2015 of agricultural microbiology at [email protected]

  16. Please send me previous net agricultural biotechnology old questions to my mail id [email protected]
    my net exam is on january 11th 2016 and i request for your timely help.

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