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BiologyTopic Question Bank50+ Solved MCQsUpdated October 2026👁️ 3.8k Topic Views

Molecular Basis of Inheritance Questions & Answers

Understand fundamental scientific laws, diagrams, and applied concepts in Molecular Basis of Inheritance. Practice solved questions with clear scientific rationale and key definitions.

Relevant Exams:SSC CGLRRB Group D & NTPCNDA / CDSState PSCNEET

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Molecular Basis of Inheritance — Key Concepts & Shortcuts

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Practice Questions for Molecular Basis of Inheritance

18+ Solved MCQs

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The flow of genetic information is represented by the Central Dogma concept: DNA → A → mRNA → B → Protein. This principle was proposed by scientist C. Identify A, B, and C.

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Molecular Basis of Inheritance Questions & Answers

Molecular Basis of Inheritance — Key Concepts & Shortcuts

Practice Questions for Molecular Basis of Inheritance

The flow of genetic information is represented by the Central Dogma concept: DNA → A → mRNA → B → Protein. This principle was proposed by scientist C. Identify A, B, and C.

Which type of exonuclease activities are demonstrated by DNA Polymerase I of Escherichia coli?

E. coli is grown exclusively in a medium containing 15NH4Cl as the sole nitrogen source. Subsequently, the cells are shifted to a medium containing 14NH4Cl. The molar ratio of hybrid DNA (15N-14N) to light DNA (14N-14N) after four generations will be:

The DNA double helix measures 0.34 nm/bp. The diameter of a nucleosome core particle is 11 nm. If the ratio of wrapped DNA length to nucleosome diameter is 4.51, the length of DNA around the nucleosome (to the nearest integer) is:

Who proposed that the genetic code for amino acids should be made up of a triplet of nucleotides?

Histone proteins are rich in which of the following amino acids?

Which specific protein factor is essential for the accurate termination of transcription in prokaryotes?

The process of removing introns and connecting the remaining exons in a specific sequence to form a mature mRNA molecule is known as _____.

In an RNA molecule, which nitrogenous base pairs with Adenine?

What is the total number of structural genes present in the lac operon of Escherichia coli?

Negatively charged DNA is wrapped around a positively charged histone octamer to form which of the following structures?

डीएनए फिंगरप्रिंटिंग (DNA fingerprinting) की खोज किसके द्वारा की गई थी?

Which type of chemical bonds are found in the molecular structure of a double-stranded DNA molecule?

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