Molecular basis of Inheritance

Subject matter experts of JagranJosh have developed chapter wise practice questions of Class 12th as per the relevancy of the chapter in the CBSE board exam. This practice set contains 10 questions with detailed explanations on “Chapter: Molecular basis of inheritance” of Mathematics.

  • Q1.Discontinuous synthesis of DNA occurs in one strand, because:

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  • Q2.Which of the following steps in transcription is catalysed by RNA polymerase?

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  • Q3.Which was the last human chromosome to be completely sequenced?

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  • Q4.Which of the following are the functions of RNA?

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  • Q5.In some viruses, DNA is synthesized by using RNA as template. Such a DNA is called:

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  • Q6.If Meselson and Stahl's experiment is continued for four generations is bacteria, the ratio of 15N/ 15N: 15N/14N: 14 N/14N containing DNA in the fourth generation would be:

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  • Q7.The most common start codon in transcription is

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