Molecular Basis of Inheritance: NEET Biology Previous Year Questions

143 previous year questions from Molecular Basis of Inheritance. Here are the 25 most important ones; open any question for the correct answer and a full step-by-step solution.

1. 1.If the distance between two consecutive base pairs is 0.34 nm and the total number of base pairs of a DNA double helix in a typical mammalian cell is…
2. 2.Which of the following RNAs should be most abundant in animal cell?
3. 3.The one aspect which is not a salient feature of genetic code is its being
4. 4.Removal of RNA polymerase III from nucleoplasm will affect the synthesis of
5. 5.What is the role of RNA polymerase III in the process of transcription in eukaryotes?
6. 6.Expressed Sequence Tags (ESTs) refers to:
7. 7.Under which of the following conditions will there be no change in the reading frame of following mRNA ? 5'AACAGCGGUGCUAUU3'
8. 8.In sea urchin DNA, which is double stranded, 17% of the bases were shown to be cytosine. The percentages of the other three bases expected to be present in this DNA are :
9. 9.From the following, identify the correct combination of salient features of Genetic Code :-
10. 10.Which one of the following is the starter codon?
11. 11.Which of the following rRNAs acts a structural RNA as well as ribozyme in bacteria?
12. 12.Which is the "Only enzyme" that has "Capability" to catalyse Initiation, Elongation and Termination in the process of transcription in prokaryotes?
13. 13.Which one of the following statements about Histones is wrong?
14. 14.Which of the following is not required for any of the techniques of DNA fingerprinting available at present?
15. 15.An analysis of chromosomal DNA using the Southern hybridization technique does not use
16. 16.With respect to nucleosome, which of the following statements is incorrect?
17. 17.Which one of the following experiments of Frederick Griffith resulted in the discovery of bacterial transformation?
18. 18.Identify the correct order of organization of genetic material from largest to smallest:
19. 19.Which of the following nitrogen base is not found in DNA-
20. 20.The Okazaki fragments in DNA chain growth :
21. 21.What is it that forms the basis of DNA Fingerprinting?
22. 22.Identify the correct order of organisation of genetic material from largest to smallest :
23. 23.Amino acid sequence, in protein synthesis is decided by the sequence of
24. 24.The process of translation of mRNA to proteins begins as soon as:
25. 25.Taylor conducted the experiment to prove semiconservative mode of chromosome replication on :