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

Give three possible ways to get the gene of interest.Write three methods to get gene of interest.

  • Ans 1: Gene of interest can be obtained by following methods
  • Ans 2: i.To isolate it from chromosomes
    ii. Make it from mRNA
    iii. Synthesize it chemically.
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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

Give three possible ways to get the gene of interest.Write three methods to get gene of interest.

  • Ans 1: Gene of interest can be obtained by following methods
  • Ans 2: i.To isolate it from chromosomes
    ii. Make it from mRNA
    iii. Synthesize it chemically.
Submit

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

Question # 1

Define Transgenic Plants.Give its two uses.

  • Ans 1: Plants having foreign genes incorporated into their cells are known as transgenic plants.Two uses of transgenic plant are:
  • Ans 2: i) A weed called mouse-eared cress has been engineered to produce a biodegradable plastic in cell grannules.
    ii) Plants are being engineered to produce human hormones,clotting factors and antibodies in their seeds.
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12th Class Biology Chapter 23 Short Questions Preparation - Set 3

Question # 1

What is gene pharming?

  • Ans 1: Gene pharming is a technology that scientists use to alter an animal's own DNA,or to splice in new DNA,called a transgene,from another species.In pharming these genetically modified animals are used mostly to make human proteins that have medicinal value.
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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

Give briefly the application of PCR amplification and analysis.

  • Ans 1: Application of PCR amplification and analysis are
  • Ans 2: i. To diagnose viral infections,genetic disorders and cancer
    ii. In forensic labs to identify criminals
    iii. To determine evolutionary history of human
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12th Class Biology Chapter 23 Short Questions Preparation - Set 6

Question # 1

What is recombinant DNA technology?

  • Ans 1: It is a technique by which DNA of one organism can be transferred to another organisms and recombinant DNA is made.
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12th Class Biology Chapter 23 Short Questions

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