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

  • Available Sets6

Start Test Download PDF

Biology - 12th Class Biology Chapter 20 Short Questions Preparation

Question # 1

Differentiate between codon and anticodon.

  • Ans 1: Codon: Codon is sequence of three nucleotides present on mRNA and specifies an amino acid.
    For Example codon for methionine is AUG.
  • Ans 2: Anti Codon: Anticodon is the sequence of three nucleotides present on tRNA,anti codon of metionine is UAC.
Submit

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

Differentiate between codon and anticodon.

  • Ans 1: Codon: Codon is sequence of three nucleotides present on mRNA and specifies an amino acid.
    For Example codon for methionine is AUG.
  • Ans 2: Anti Codon: Anticodon is the sequence of three nucleotides present on tRNA,anti codon of metionine is UAC.
Submit

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

Question # 1

What is translation? Or Define translation.

  • Ans 1: Synthesis of protein from the mRNA is called translation.It is second step of central dogma.
Submit

12th Class Biology Chapter 20 Short Questions Preparation - Set 3

Question # 1

What is role of promoter is transcription?

  • Ans 1: Promoter is responsible for the correct initiation of transcription process.
Submit

12th Class Biology Chapter 20 Short Questions Preparation - Set 4

Question # 1

Differentiate between sense and anti sense strands of DNA.

  • Ans 1: Sense strand; The strand of DNA which is opposite to the antisense strand and is not transcribe is known as sense strand or coding strand.
  • Ans 2: Anti-sense strand: Only one of the two strands of DNA are transcribed. This strand is called template strand or the antisense strand
Submit

12th Class Biology Chapter 20 Short Questions Preparation - Set 5

Question # 1

Define leading and lagging strand of DNA.

  • Ans 1: Lagging strand is that strand of DNA which is discontinuously synthesized while the strand of DNA which is continuously synthesized is called leading strand.
Submit

12th Class Biology Chapter 20 Short Questions Preparation - Set 6

Question # 1

Enlist non sense codons and their function.

  • Ans 1: Non sense condons do not specifiy any amino acid. They are used to terminate or to stop the protein synthesis.Their names are UAA,UGA and UGA.
Submit

ic-science-white
Biology
20th Chapter

12th Class Biology Chapter 20 Short Questions

Here you can prepare 12th Class Biology Chapter 20 (Chromosoms and DNA). Click the button for 100% free full practice.

Start Chapter 20 Preparation

Is this page helpful?