2nd Year Biology Chapter 23 Online Preparation (Biotechnology)

Online Short Questions For Chapter 9 "12th Class Biology Chapter 23 Short Questions Preparation "

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Biology - 12th Class Biology Chapter 23 Short Questions Preparation

Question # 1

Write down two different methods in gene sequencing for generation of DNA fragments.

  • Ans 1: Gene sequencing can be done by
  • Ans 2: i) Maxam-Gillbert method
    ii)Sanger's method
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Prepare Complete Set Wise Questions For Chapter 9 "12th Class Biology Chapter 23 Short Questions Preparation "

12th Class Biology Chapter 23 Short Questions Preparation - Set 1

Question # 1

Write down two different methods in gene sequencing for generation of DNA fragments.

  • Ans 1: Gene sequencing can be done by
  • Ans 2: i) Maxam-Gillbert method
    ii)Sanger's method
Submit

12th Class Biology Chapter 23 Short Questions Preparation - Set 2

Question # 1

What is Genome?.

  • Ans 1: A complete set of chromosomes which is haploid in number is called genome or a full set of genes of an individual is called genome.
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12th Class Biology Chapter 23 Short Questions Preparation - Set 3

Question # 1

What is Genome?.

  • Ans 1: A complete set of chromosomes which is haploid in number is called genome or a full set of genes of an individual is called genome.
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12th Class Biology Chapter 23 Short Questions Preparation - Set 4

Question # 1

What is cloning of a gene?

  • Ans 1: Cloning of gene produces many identical copies of a gene. Recombinant DNA technology is used when a very large quantity of gene is required.The use of polymerase chain reaction is a method to create many thousand copies of a particular gene at a time.
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12th Class Biology Chapter 23 Short Questions Preparation - Set 5

Question # 1

Write two application of polymerase chain reactions.

  • Ans 1: Two applications of polymerase chain reactions are as follows:
  • Ans 2: i) To diagnose viral infections,genetic disorder and cancer
    ii) In forensic laboratories to identify criminals.
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12th Class Biology Chapter 23 Short Questions Preparation - Set 6

Question # 1

What are palindromic sequences?Give their significance.

  • Ans 1: Nucleotide sequence that is identical to its complementary strand when each is read in the same chemical direction of example GATC
    Significance of palindromic is that it help us to extract patterns in genomic sequence.
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12th Class Biology Chapter 23 Short Questions

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