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12th CBSE
IMPORTANT
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The human chromosome with the highest and least number of genes in them are respectively

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Important Questions on Molecular Basis of Inheritance

MEDIUM
12th CBSE
IMPORTANT
Xam Idea Biology>Chapter 6 - Molecular Basis of Inheritance>Multiple Choice Questions [1 mark]>Q 8
Who amongst the following scientists had no contribution to the development of the double-helix model for the structure of DNA?
MEDIUM
12th CBSE
IMPORTANT
Xam Idea Biology>Chapter 6 - Molecular Basis of Inheritance>Multiple Choice Questions [1 mark]>Q 9
DNA is a polymer of nucleotides that are linked to each other by 3’-5’ phosphodiester bond. To prevent the polymerisation of nucleotides, which of the following modifications would you choose? 
MEDIUM
12th CBSE
IMPORTANT
Xam Idea Biology>Chapter 6 - Molecular Basis of Inheritance>Multiple Choice Questions [1 mark]>Q 10
Discontinuous synthesis of DNA occurs in one strand, because   
HARD
12th CBSE
IMPORTANT
Xam Idea Biology>Chapter 6 - Molecular Basis of Inheritance>Multiple Choice Questions [1 mark]>Q 11
Which of the following steps in transcription is catalysed by RNA polymerase?
MEDIUM
12th CBSE
IMPORTANT
Xam Idea Biology>Chapter 6 - Molecular Basis of Inheritance>Multiple Choice Questions [1 mark]>Q 12
Control of gene expression in prokaryotes take place at the level of
MEDIUM
12th CBSE
IMPORTANT
Xam Idea Biology>Chapter 6 - Molecular Basis of Inheritance>Multiple Choice Questions [1 mark]>Q 13
Which of the following statements is correct about the role of regulatory proteins in transcription in prokaryotes?
MEDIUM
12th CBSE
IMPORTANT
Xam Idea Biology>Chapter 6 - Molecular Basis of Inheritance>Multiple Choice Questions [1 mark]>Q 14
Which was the last human chromosome to be completely sequenced?
MEDIUM
12th CBSE
IMPORTANT
Xam Idea Biology>Chapter 6 - Molecular Basis of Inheritance>Multiple Choice Questions [1 mark]>Q 15
Which of the following are the functions of RNA?