CHAPTER – 9
MCQs – Biotechnology
1. Genetic
engineering is the manipulation of ________ for practical purpose.
§ Genetic bacteria
§ Genetic plant
§ Genetic material
§ Genetic animal
2. The ________
technology has launched an industrial revolution in bio-technology.
§ DNA transfer
§ DNA recombinant
§ genetic bacteria
§ genetic transferring
3. Recent
reproductive cloning intended to introduce ________.
§ identical plants
§ genetic bacteria
§ identical animals
§ identical sheeps
4. ________ was the
first ever cloned animal.
§ Dolly
§ Tomy
§ Kitty
§ Spike
5. ________
formulated rule to explain the phenomenon of inheritance.
§ Gregor Johann Mendel
§ Charles Darwin
§ Jean Baptiste de Lamark
§ All of them
6. Each basis
inheritable character is controlled by a factor called ________.
§ Chromosome
§ DNA
§ RNA
§ gene
7. Gene is made up
of ________.
§ Proteins
§ RNA
§ DNA
§ All of them
8. The discovery of
________ was a tremendous stimulus to genetic research.
§ DNA of bacteria
§ cloned Dolly
§ Role of DNA
§ genetic engineering
9. Methodology was
discovered in ________.
§ 1952
§ 1956
§ 1973
§ 1989
10. Methodological
methods were referd to as ________.
§ Recombinant DNA technology
§ Genetic engineering
§ Both
§ All of them
11. ________ is
defined as the “se of living organisms for the welfare of mankind”.
§ Micro-biology
§ Human biology
§ Bbiotechnology
§ Zoology
12. Genetic
engineering usually utilizes ________.
§ Bacterial cells
§ Bacterial plasmids
§ Both of them
§ None of them
13. Recombinant DNA
technology depends on ________ steps.
§ 3
§ 4
§ 5
§ 8
14. A gene is inserted
into a DNA molecule called ________.
§ vector
§ pasmid
§ both
§ none of them
15. ________ are
small, extra circular DNAs molecules found in some bacteria.
§ vector
§ plasmid
§ chromosome
§ genetic engineered DNA
16. Plasmid
replicated ________ of the host cell.
§ dependent
§ independent
§ mostly dependent
§ mostly independent
17. Plasmids are
generally found in ________.
§ bacteria
§ vertebrates
§ all living organisms
§ bacteriophages
18. The group of
enzymes that are used to cut up the DNA molecule are called ________.
§ restriction enzymes
§ DNA ligase enzyme
§ DNA polymerase enzyme
§ none of them
19. ________
protest bacteria against bacteriophage by cutting viral DNA.
§ DNA polymerase enzyme
§ restriction enzyme
§ DNA ligase enzyme
§ all of them
20. The molecular
scissors in the bacterial cell are ________.
§ DNA ligase enzyme
§ vector
§ plasmid
§ restriction enzyme
21. Each
restriction enzyme cut the DNA at a special site called ________.
§ sticky end
§ site of attachment
§ cutting end
§ joining ends
22. ________ is a
key enzyme that seals the restriction fragment with sticky ends of vector.
§ DNA polymerase enzyme
§ DNA ligase enzyme
§ Restriction enzyme
§ A and B
23. ________ are
taken as host in DNA recombinant technology.
§ bacterial cells
§ vectors
§ plasmids
§ bacteriophage
24. The gene
carried by recombinant molecule is called ________.
§ cloned
§ copied
§ multiplied
§ engineered
25. ________ is
used to form genetically engineered plants which are resistant towards insects.
§ genetically engineered bacteria
§ vector
§ plasmid
§ all of them
26. Bacteria which usually
live in the roots of corn are transformed for producing ________.
§ good roots
§ strong barks
§ insect killing foxins
§ healthy fruits
27. Hormones can
also be prepared by ________.
§ cloned bacteria
§ plasmid
§ vector
§ rDNA
28. Phynylalanine
is used to make a sweetener called ________.
§ phenyl sweets
§ nutra sweets
§ cemilky sweets
§ natural sweets
29. When a foreign
gene is inserted to natural plants they are called ________.
§ Transgenic plants
§ genetically engineered plants
§ both A and B
§ all of them
30. In ________ technique
entire organism can be grown from a single call.
§ tissue culture
§ cloning
§ genetic engineering
§ transfusion
31. When the cell
wall of a plant cell is removed it is called ________.
§ protoplast
§ plant cell
§ changed cell
§ transgenic cell
32. In plant cell
the rDNA can be introduced into ________.
§ Enbryo
§ Protoplast
§ Cell having cell wall
§ Both A and B
33. The only
plasmid for transgenic plants is ________.
§ Pr-plasmid
§ Ti-plasmid
§ Ds-plasmid
§ All of them
34. ________ is the
host for the host for the Ti-plasmid.
§ Bacteriophage
§ Agrobacterium
§ Phenylalamine
§ All bacteria
35. Transgenic
plants are able to make use of ________ of the atmosphere so they dont require
fertilizers.
§ Oxygen
§ Nitrogen
§ CO2
§ All of them
36. ________ is the
fastest way of determining amino acid sequences.
§ DNA finger printing
§ Gene sequencing
§ Genomic library
§ Human genome project
37. ________
provides the location of Restriction site within the gene.
§ Gene sequencing
§ DNA finger printing
§ Genomic library
§ All of them
38. The similarity
in the DNAs of two different organisms can be determined and studied by
________.
§ DNA finger printing
§ Human genome project
§ Gene sequencing
§ Gene therapy
39. ________ can
separate DNA fragments differing in as much as 1 segment in gene sequencing.
§ Gel electrophoreses
§ DNA electrophoreses
§ Gene electrophoreses
§ All of them
40. ________% of
DNA does not code for proteins
§ 20%
§ 30%
§ 40%
§ 50%
41. The difference
in DNA electrophoresis patterns among individuals is called ________.
§ DNA finger prints
§ DNA fragment length
§ DNA length measurement
§ Restriction fragment length polymorphism
42. DNA finger
prints is named so due to ________
§ RFLPs length
§ Sequence of RFLPs is unique for each
§ Both A and B
§ None of the above
43. To produce a
DNA finger print ________ would suffice.
§ A sample of blood
§ A sample of saliva
§ Sample of hair folicle
§ All of them
44. ________
consists of the copy of genetic information or a specre the prefered
environment.
§ Genome library
§ DNA finger prints
§ DNA fragment
§ Gene sequencing
45. Human Genome
Project began in ________.
§ 1990
§ 1980
§ 1994
§ 1991
46. Total number of
chromosome pairs inhuman is ________.
§ 23
§ 26
§ 44
§ 46
47. ________% of
the DNA sequence have determined with 99% accuracy.
§ 89%
§ 95.658%
§ 99.335%
§ 99.99%
48. ________% of
the nucleotide sequence in all the hamans is same.
§ 50%
§ 86%
§ 99%
§ 99.9%
49. Medical
researches have discovered about ________ genetic diseases.
§ 3000
§ 4000
§ 5000
§ 6000
50. Genetic
diseases is mostly related with ________.
§ Sperms
§ Ova
§ Fertilized egg or zygote
§ All of them
51. There are
________ conditions for the occurance of genetic diseases.
§ 2
§ 3
§ 5
§ 9
52. Is mutation a
cause of genetic diseases?
§ Yes always
§ No
§ May be
§ Not involved at all
53. Genetic
diseases fall into ________ main categories.
§ 2
§ 3
§ 5
§ 8
54. Following is
the category of genetic diseases.
§ Chromosomal abnormalities
§ Unifactorial defects
§ Multifactorial defects
§ All of them
55. Huntington’s
disease is due to a ________.
§ Autosomal resesive allele
§ Autosomal dominant allele
§ Hetyerozygous allele
§ Homozyhous allele
56. In huntington’s
disease the symptoms appear by the age of ________.
§ 35-45
§ 40-50
§ 55-65
§ 50-60
57. Progressive
mental deterioration and unvoluntary muscle movement is the characteristic of
________.
§ Chromosomal disorder
§ Chromosomal disjunction
§ Huntington’s disease
§ Cystic fibrosis
58. Is a cure for
huntington’s disease possible.
§ Yes
§ May be
§ Depends on nature
§ No
59. Cystic fibrosis
occurs due to ________
§ Autosomal Recessive Allele
§ A heterotroph
§ Homozygous Chromosome
§ Dominant Allele
60. ________ is a
diagnostic process in which man amount of amniotic fluid is taken from the
amniotic sac to determine the presence of disease.
§ Genetic councelling
§ Tissue culture
§ Gene therapy
§ Amniocentesis
61. Through
________ any disease can be determined in the embryonic stage.
§ Amniocentesis
§ Amniotic tissue test
§ fefune blood test
§ Gene therapy
62. ________ is a
test tube method to create and olone various varieties of novel plants.
§ Cloning
§ Genetic engineering
§ Gene therapy
§ Tissue culture
63. The cell which
contains all the genetic potential of the organism is called ________.
§ Potitotent
§ Totipotent
§ Sturgid call
§ Complete cell
64. Through cloning
the duplicate coples of ________ can be formed.
§ Genetic material
§ Cells
§ Both of them
§ None of them
65. Artificial
cloning is now possible by the pethology ________.
§ Recombinant DNA technology
§ Gene therapy
§ DNA finger prints
§ Genomic library
66. The copies of
individuals formed by clonig are called ________.
§ Twins
§ Identicals
§ Clones
§ Copies
67. In 1997, a
________ was cloned from cell from its mother.
§ Cat
§ Dog
§ Fish
§ Sheep
68. The
biotechnology is now also being considered dangerous due to
§ Its useful cloning method
§ DNA finger printing
§ Harmful side effects
§ Artificial Techniques
69. In gene therapy
of germ line cells the recombinant DNA is inserted into ________.
§ Human sex cells
§ Fertilized zygote
§ Somatic cells
§ All of them
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