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5th August 2014, 08:26 AM
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Join Date: Apr 2013
Re: ARS NET of Basic Plant Sciences Stream last year papers

As you want to get the ARS NET of Basic Plant Sciences Stream last year papers so here it is for you:

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
9. Endoplasmic reticulam
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
a) EMBL
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
Learn more:
• ICAR ARS NET Previous Question Papers
• Books to refer for ARS NET Exam
• ICAR ARS NET Syllabus
• ICAR NET 2013 Apply Online Now / Notification
Answers
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) G1
7. 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


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