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

Elaborate molecular carriers.Give example.

  • Ans 1: Bacterial plasmids are called molecular carriers because they carry the gene of interest to the host cell.
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12th Class Biology Chapter 23 Short Questions Preparation - Set 3

Question # 1

Define biotechnology.Name two biotechnology products.

  • Ans 1: It is a technology in which chemical processes of living organisms can be used for the welfare or mankind.Its products are lnsulin,Growth homones
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12th Class Biology Chapter 23 Short Questions Preparation - Set 4

Question # 1

How transgenic animals are developed?

  • Ans 1: It is possible to micro inject foreign genes into egg by hand,but another method uses vortex mixing.The egg are placed in an agitator with DNA and silicon-carbide needles,and the needles make tiny holes through which the DNA can enter.When these eggs are fertilized the resulting offspring are transgenic.
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12th Class Biology Chapter 23 Short Questions Preparation - Set 5

Question # 1

What are transgenic organisms?

  • Ans 1: Organisms having foreign DNA or gene in addition to its own DNA are called transgenic organisms.
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12th Class Biology Chapter 23 Short Questions Preparation - Set 6

Question # 1

How gene therapy has been used for the treatment of coronary artery angioplasty?

  • Ans 1: During coronary artery angioplasty,a balloon catheter is sometimes used to open up closed artery.The balloon catheter is coated with a plasmid that contains a gene for vascular endothelial growth factor.The expression of the gene which promotes the cell division of blood vessels to bypass the blocked area has been observed in at least one patient.
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12th Class Biology Chapter 23 Short Questions

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