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| ARS-NET Exam |
1. Which of the following pairs
are anomers?
a) Ribose and Ribuloseb) Glucose and mannosec) Pyruvate lactated) α-D-glucose and β-D-glucose
2. Hybridoma technology is used in
the production of
a) mRNAb) Monoclonal serumc) Monoclonal antibodiesd) 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) Uracilb) DNA polymerasec) Diphenylamined) Ethidium bromide
5. Homologous pairs line up along
equatorial plane during
a) Anaphase IIb) Metaphase Ic) Telophased) Interphase
6. Between mitotic divisions, the
cell is in
a) G0b) G1c) G2d) S phase
7. Most plant cells are surrounded
by a rigid c cell wall made primarily of
a) Monosaccharidesb) Pectinc) Chitinsd) Polysaccharides
8. The organelle that functions in
the breakdown of cells and tissues is the
a) Episomesb) Mitochondrionc) Centrosomesd) Lysosomes
9. Endoplasmic
reticulam
a) Is found only in animalsb) is a system of membrane bound channelsc) is called rough if mitochondria is attached to itd) is a site of ATP production
10. “9+2” describes the basic
structure of which of the following one
a) chromosomeb) Basal bodyc) Chloroplastd) Flagellum
11. The function of nucleus
includes
a) Cellular respirationb) Synthesis of proteinsc) Housing the hereditary informationd) Synthesis of carbohydrates
12. Bacculoviruses
a) RNA virusesb) DNA virusesc) Both a and bd) None of the above
13. Secondary metabolites like
antibiotics are not essential for
a) Log phase growthb) Exponential growthc) Both a and bd) None of these
14. The restriction enzymes useful
to the molecular biologist belongs to
a) Type Ib) Type IIc) Type IIId) Type IV
15. Which of the following vector
is suitable for DNA sequencing
a) EMBLb)PBR 322c) M 13d) 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) Transformationb) Transductionc) Conjugationd) All of these
17. Francis Jacob and Monod
Proposed
a) Lock and Key Hypothesisb)Gene for Protein Synthesisc) Operon Synthesisd) Gene for protein synthesis
18. State which of the following
is not a desired characteristic of a vector?
a) Unique restriction siteb) Large Sizec) Gene that confer antibiotic resistanced) Autonomous replication
19. Which of the following is a
carrier hosts for new genes?
a) EcoRIb) Bacteriophagesc) Nucleusd) Transplanted Organs
20. Which of the following
chemical is used for preparation of competent cell?
a) HClb) NaClc) CaCl2d) Glycine
Answers
1. d) α-D-glucose and
β-D-glucose
Refer Post: Carbohydrates
2. c) Monoclonal antibodies
Refer
Post: Monoclonal antibodies
3. a) 10%
Refer Post: mt-DNA
4. d) Ethidium bromide
Refer Post:DNA
5. b) Metaphase I
Refer Post: Meiosis
6. b)
G1
Refer Post:Cell Cycle
7. d) Poly saccharides
Refer Post: Cell wall
8. d) Lysosomes
Refer Post: Lysosomes
9. b) is a system of membrane bound
channels
Refer Post: Endoplasmic reticulam
10. d) Flagellum
Refer Post: Flagella
11. c) Housing the hereditary
information
Refer Post: Nucleus
12. b)DNA viruses
13. c) Both a and b
Refer Post: Secondary Metabolites
14. b) Type II
15. c) M 13
16. c) Conjugation
Refer Post: Conjugation
17. c) Operon Synthesis
18. b) Large Size
19. b) Bacteriophages
Refer Post: Bacteriophages
20. c)
CaCl2
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