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MCQs for Molecular Basis of Inheritance
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MCQs for Molecular Basis of Inheritance
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25 Questions

1. Chemically, RNA is (i) reactive and (ii) stable as compared to DNA.
2. The structure in chromatin seen as ‘beads-on string’ when viewed under electron microscope are called
3. To initiate translation, the wiRNA first bind to
4. Estimated number of genes in human beings is
5. Amino acid acceptor end of tRNA lies at
6. Who amongst the following scientist had no contribution in the development of the double helix model for the structure of DN A ?
7. They year 2003 was celebrated as the 50th anniversary of discovery of
8. DNA replication takes place at _________ phase of the cel. cyle.
9. In some viruses, DNA is synthesised by using RNA as template. Such a DNA is called
10. Some amino acids are coded by more than one codon, hence the genetic code is
11. In a DNA strand the nucleotides are linked together by
12. Which of the following statements is correct regarding ribosomes ?
13. Which RNA carries the amino acids from the amino acid pool to mRnA during protein synthesis ?
14. The enzyme DNA dependent RNA polymerase catalyses the polymerisation reaction in ___________direction.
15. The RNA polymerase holocnzyme transcribes
16. To prove that DNA is the genetic material, which radioactive isotopes were used by Hershey and Chase (1952) in experiments ?
17. If the sequence of bases in coding strand of DNA is ATTCGATG, then the sequence of bases in mRNA will be
18. Find out the wrong statement about heterochromatin,
19. If the base sequence of a codon in mRNA is 5’ 'AUG '3′ the sequence of tRNA pairing with it must be
20. Which one among the following was the first genetic material ?
21. If the sequence of bases in DNA is GCTTAGGCAA then the sequence of bases in its transcript will be
22. UTRs are the untranslated regions present on
23. The process of copying genetic information from one strand of DNA to RNA is termed as _________ .
24. The three codons which result in the termination of polypeptide chain synthesis are
25. If a double stranded DNA has 20% of cytosine, what will be the percentage of adenine in it ?

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