61.  

This is figure of plasmid PBR322 Identiby what represented by A, B, and C

A. A TcR, B ApR andC EcorI

B. A TcR, B EcoRI and C ApR

C. A - EcorI, B ApR and C TcR

D. A ApR,B TcR and C EcoRz

Answer : Option D

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62.  

A - Hybridoma cells are shifted to a medium deficient in nutrient which can not be syntthsized by myeloma cells

R - This medium allows selection of hybridoma cells

A. A is correct, R is explanation of A

B. A is correct, R is correct but it is not exlpanation of A

C. A is correct , R is false.

D. A is wrong , R is wrong

Answer : Option A

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63.  

A - Hybridoma cells are shifted to a medium deficient in nutrient which can not be syntthsized by myeloma cells

R - This medium allows selection of hybridoma cells

A. A is correct, R is explanation of A

B. A is correct, R is correct but it is not exlpanation of A

C. A is correct , R is false.

D. A is wrong , R is wrong

Answer : Option D

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64.  

A - Extraction and purficiation of enzymes is laborious and expensive

R - protein engineering can be used to produce enzymes at large scal

A. A is correct, R is explanation of A

B. A is correct, R is correct but it is not exlpanation of A

C. A is correct , R is false.

D. A is wrong , R is wrong

Answer : Option D

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65.  

A - Restriction enzymes of different organisms that recognize the identical sequencesa the called isoschizomers

R - They are present only in eukarytoes

A. A is correct, R is explanation of A

B. A is correct, R is correct but it is not exlpanation of A

C. A is correct , R is false.

D. A is wrong , R is wrong

Answer : Option A

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66.  

A- Plasmids are tools of genetic engineering

R- Virulence plasmids provide pathogenecity to bacteria

A. A is correct, R is explanation of A

B. A is correct, R is correct but it is not exlpanation of A

C. A is correct , R is false.

D. is wrong , R is wrong

Answer : Option B

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67.  For transformation, micro particles coated with DNA are bombarded with gene gun made up of.

A. Platinum or Zinc

B. Silicon or Platinum

C. Gold or tungsten

D. Silver or Platinum

Answer : Option C

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68.  PCR and Restriction fragment lenth Polymorphism are the methods for.

A. genetic transtormation

B. DNA Sequencing

C. DNA finger printing

D. Study of enzymes

Answer : Option D

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69.  The linking of antibiotic resistance gene with the plasmid Vector became possible with

A. DNA ligase

B. Exonuclease

C. Endo nuclease

D. DNA Polymerase

Answer : Option C

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70.  Gel electrophoresis is used for--

A. Isolation of DNA molecule

B. Cutting of DNA in to fragments

C. Separation of DNA fragments according to their size

D. Construction of recombinant DNA by joining with cloning Vector

Answer : Option C

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