Quiznetik

Biology | Set 5

1. Where from Bt toxin gene has been obtained?

Correct : C. Bacteria

2. In which of the following plant Bt toxin gene is expressed?

Correct : A. Bt cotton

3. Toxin proteins produced by the bacterial gene destroys -

Correct : A. Aphid

4. The toxin produced by the Bt is coded by a gene named as -

Correct : B. Cry Protein

5. Which of the following techniques use genes and DNA molecules for diagnoses of diseases?

Correct : D. All the above

6. What were the earlier sources of Insulin?

Correct : A. cattle and pig

7. Which technology was used to produce human Insulin in E. coli ?

Correct : D. All the above

8. Which therapy is used for modification of germ cells (sperms and eggs)?

Correct : D. Germ line gene therapy

9. Modifications by germ line gene therapy are heritable as -

Correct : A. The Functional gene is incorporated into to their genome.

10. In which therapy, vectors are used to introduce desired gene into the body of patients?

Correct : A. In vivo, gene therapy

11. The method during which genetic characteristics of animals are improved by mating of selected breeds is known as -

Correct : B. selective breeding

12. The Phenomenon of introduction of exogenous DNA into the genome of animals is -

Correct : D. Transgenesis

13. The animals whose genome is altered by introduction of transgene is known as -

Correct : D. Transgenic animal

14. Transgene introduced in the first transgenic cow was responsible for the production of

Correct : C. Human protein enriched milk

15. What was the amount of Alpha-lactalbumin in the milk of transgenic cow ?

Correct : B. 2.4 grams per litre

16. Earlier which animals were used to test the safety of Polio Vaccine

Correct : C. Transgenic mice

17. The right granted by government to prevent others from the commercial use of resources invention is -

Correct : D. Biopatent

18. Exploitation of Patent of biological resources of other nations is called as -

Correct : B. Biopiracy

19. Organisms which can be used to gain commercial benefits are called -

Correct : B. Bioresources

20. The plant Pentadiplandra brazzeana belongs to which country ?

Correct : B. West Africa

21. Which technology facilitates the production of novel DNA molecule by combining sequences from DNA from two different organisms ?

Correct : B. Recombinant DNA technology

22. Which is the most common bioinsecticide for the protection of cotton ?

Correct : D. Bacillus thuringiensis

23. Which of the following can be controlled with the help of biopesticides ?

Correct : D. All the above

24. Transgenic animals are produced by incorporation of Foreign gene into the -

Correct : A. Nucleus of fertilized egg

25. The bacteria associated with plant genetic engineering are -

Correct : D. Both b and c

26. The science of biotechnology has contributed to field of

Correct : D. all above

27. The method of producing proteins for food or feed through microbial biomass is called

Correct : B. SCP

28. The insulin prepared through genetic engineering is called

Correct : D. Humulin

29. The most common Bioinsecticide in present in the world for protection and mustard is——

Correct : B. Bt. ,

30. First progress in field of genetic engineering, in 1978 by Cohen, Berg and Boyer by synthesis of— ————through E. coli

Correct : D. both b and c

31. Which was the first product contributed to human kind by science of Biotechnology in early 1972

Correct : A. somatotropin

32. Which is the most common Plasmid used for most of genetically engineered product ?

Correct : D. both a and b

33. The main use of recombinant DNA technology are.....

Correct : D. both b and c

34. Biofuel is made by utilizing which strain of bacteria ?

Correct : A. Bacillus amyloliquefacien

35. Bio augmentation is …..

Correct : A. the addition of commercially prepared bacterial strain

36. Which of the following animal is best known genetically ?

Correct : D. Drosophila melanogaster

37. Which one is a transgenic crop ?

Correct : D. Tomato

38. First transgenic mouse grew twice the normal size after drinking _______ containing water.

Correct : C. Zn

39. The genetically modified crops introduced in India are …

Correct : D. Both a and b

40. One of the following is the correct sequence to make a transgenic animals.

Correct : B. Micro injection - transfection - electro portion - retroviral vectors - transomics

41. one of the following is transgenic organisms

Correct : D. B T cotton and tomato (Flaur saur)

42. Transgenic plants are produced by using Ti Plasmids from the

Correct : A. Agrobacterium tumefacien

43. Vaccine is a …...

Correct : C. collection of killed disease causing bacteria and virus

44. The typical machine for production of bio-products through microbial is

Correct : D. Fermenter

45. The foods made from genetically modified crops required to Pass human testing because

Correct : D. all above

46. There are set of health care products. Match them with organisms which are genetically engineered for respective products. A. Insulin 1. Escherichia coli / saccharomyces B. Somatotropin 2. Escherichia coli / yeast C. Interferon 3. G M E coli D. Interleukins 4. hGH in E. coli 5. Humulin through E. coli A B C D

Correct : A. 5 4 1 2

47. Pick up the correct set. A. Spirulina 1. Non surfacetant polymers for oil recovery B. Monilia / Fusarium 2. SCP C. Methanobrevibacter 3. Ethanol from carbohydrates D. Aureobasidium 4. Curd formation 5. Biogas formation A B C D

Correct : A. 2 3 5 1

48. Tissue culture technique has been biotechnologically successful in production of -

Correct : C. shikonin

49. Yeast is a good source of

Correct : C. Proteins

50. The micro – organism involves in making bread is …..

Correct : C. Saccharomyces cerevisiae

51. Penicillin is obtained from -

Correct : D. Penicillium notatum

52. A bioreactor refers to

Correct : D. Tank & biochemical reactions

53. Cells obtained from cancerous tumours are known as -

Correct : A. myeloma

54. Hybridomas are employed for

Correct : C. synthesis of monoclonal antibodies

55. Antibiotics inhibits the growth or destroy

Correct : D. Bacteria, fungi and viruses

56. Which of the following is not concerned with biotechnology ?

Correct : D. Wood seasoning

57. The enzymes that cuts specifically recognition sites in the DNA is known as

Correct : D. Restriction endonuclease

58. DNA can be introduced into any cell by

Correct : A. Injection

59. Ability of a plant or animal cell to repeatedly divide and differentiate into a complete organism is :-

Correct : C. cellular totipotency

60. Restriction endonuclease is also known as -

Correct : D. molecular scissors

61. Extra chromosomal small cirular double stranded DNA molecule in a bacterial cell is stranded DNA molecule in bacterial cell is

Correct : B. Plasmid

62. Introduction of foreign genes into plant or animal cells using micropipettes is

Correct : B. Chemical - mediated genetransfer

63. Which one of the following is releated with genetic engineering ?

Correct : D. Plasmids

64. In bacteria, genes for antibiotic resistance are usually located in

Correct : B. Cytoplasm

65. A technique used to make numerous copies of a specific segment of DNA quickly and accurately

Correct : B. transcription

66. The enzyme that cleaves DNA at specific sites, producing sticky ends is called

Correct : D. Exonuclease

67. Which of the Following is a genetic vector ?

Correct : A. Plasmid

68. Restriction endonucleases are used in genetic engineering because -

Correct : D. They can cut DNA at variable sites

69. Ideal host for the amplification of DNA molecules is

Correct : C. Bacteria

70. Ti Plasmid naturally occurs in

Correct : A. Agro bacterium

71. The sticky ends of Fragmented DNA molecules are made up of

Correct : D. methyl groups

72. Which of the following are the essential requirements for recombination ?

Correct : B. DNA ligase

73. The Plasmid derived from E.Coli is

Correct : B. PBR322

74. Ti Plasmid is useful in

Correct : C. to nearly any sites on a chromosome

75. Many copies of a DNA molecule in a test tube are procurred by

Correct : A. Polymerase chain reaction (PCR)

76. Bam H I, ECo R I, Sal I are the types of

Correct : C. restriction exonucleases

77. Retro viruses have genetic matetial which is

Correct : B. RNA

78. Genetic engineering is possile because

Correct : A. the phenomenon of transducation in bacteria is well understood

79. Plasmids are the suitable vectors for genetic cloning as.....

Correct : B. they are self replicating units

80. Which of the following is used in genetic engineering ?

Correct : A. Restrication endonuclease

81. The first hormone artificially produced by culturing bacteria is______

Correct : A. Insulin

82. When the number of genes increases in response to some signal the effect is called.....

Correct : C. gene amplification

83. Which one of the following pairs is correctly matched ?

Correct : B. Restrication enzymes - Genetic engineering

84. Plasmids are autonomously replicating mini chromosomes found in......

Correct : C. Escherichia coli

85. Improvement of genotype of an organism by addition of some foreigm gene is......

Correct : A. genetic diversity

86. Two bacteria found to be very useful in genetic engineering experiments are......

Correct : B. Escherichia and Agrobacterium

87. Restriction enzymes are isolated chielfy from.......

Correct : B. Fungi

88. There are special proteins that help to open up DNA double helix in front of the reaplication work . these proteins are........

Correct : A. DNA gyrase

89. Technology which uses living components for the welfare of human being is.....

Correct : D. Biotechnology

90. Which prosess is involved in making bread cheese, beer and wine ?

Correct : C. Fermentation

91. EFB stands for ........

Correct : C. European Foundation of Biotechnology

92. The organism whoes gene have been artificially altered for desired efect is called as.......

Correct : C. genetically modified organism

93. The sequence of DNA that reads the same backward and forward across the double strand is........

Correct : B. palindromic sequence

94. How many restriction enzymes are known to be isolated ?

Correct : B. more than 700

95. Which of the following step is necessary part of DNA recombination technology ?

Correct : C. multiplication of the clones containing the recombination molecule

96. Restriction enzymes belong to which class of enzymes ?

Correct : B. Exo nucleases

97. A sequence of in a genome at which replication is intiated in .........

Correct : B. selectable marker

98. Genes which helps in the growth of transformants are .....

Correct : A. orgin of replication

99. Ti Plasmid is a cloning vector which works with

Correct : B. Dicots only

100. During which of the following techniques host cells are exposed to pulse of high voltage current ?

Correct : A. Electroporation