12 Class Fsc Part 2 Short Questions Online Preparation of biology chapter 20 (Chromosoms and DNA)

Online Short Questions For Chapter 6 "12th Class Biology Chapter 20 Short Questions Preparation "

Try The Short Questions For 12th Class Biology Chapter 20 Short Questions Preparation

  • Total Questions10

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Biology - 12th Class Biology Chapter 20 Short Questions Preparation

Question # 1

Enlist initiation codon and non-sense codons.

  • Ans 1: Initiation codon is Aug and non sense condons are UAA,UAG and UGA.
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Prepare Complete Set Wise Questions For Chapter 6 "12th Class Biology Chapter 20 Short Questions Preparation "

12th Class Biology Chapter 20 Short Questions Preparation - Set 1

Question # 1

Enlist initiation codon and non-sense codons.

  • Ans 1: Initiation codon is Aug and non sense condons are UAA,UAG and UGA.
Submit

12th Class Biology Chapter 20 Short Questions Preparation - Set 2

Question # 1

Compare telocentric and acrocentric chromosomes.

  • Ans 1: Telocentric Chromosomes:Telocentric has centromere at one end and chromatid part is present at other end.
  • Ans 2: Acrocentric Chromosomes: Acrocentric has two unequal arms one is short and other is long.
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12th Class Biology Chapter 20 Short Questions Preparation - Set 3

Question # 1

Define Mutation.

  • Ans 1: The sudden change in DNA or gene is called mutation.
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12th Class Biology Chapter 20 Short Questions Preparation - Set 4

Question # 1

Differentiate between chromosome and nucleosome.

  • Ans 1: Chromosome: Chromosome are thread like structures which appear inside the nucleus at the time of cell division. They are.composed of DNA and protein. They carry the genes on them.
  • Ans 2: Nucleosomes: The DNA duplex is coiled around eight histone proteins forming a complex known as a nucleosome. It appears like beads on a string.
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12th Class Biology Chapter 20 Short Questions Preparation - Set 5

Question # 1

What is role of promoter is transcription?

  • Ans 1: Promoter is responsible for the correct initiation of transcription process.
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12th Class Biology Chapter 20 Short Questions Preparation - Set 6

Question # 1

Compare telocentric and acrocentric chromosomes.

  • Ans 1: Telocentric Chromosomes:Telocentric has centromere at one end and chromatid part is present at other end.
  • Ans 2: Acrocentric Chromosomes: Acrocentric has two unequal arms one is short and other is long.
Submit

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12th Class Biology Chapter 20 Short Questions

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