Molecular Basis of Inheritance GK Questions with Answers | Molecular Basis of Inheritance Quiz

Questions

1 The type of RNA specifically responsible for directing the proper sequence of amino acids in protein synthesis is

A Ribosomal RNA

B Messenger RNA

C Chromosomal RNA

D None

View Answer

Answer:Messenger RNA

2 The nucleic acid synthesis takes place in

A 3’-5’ direction

B 5’-3’ direction

C Both ways

D Any direction

View Answer

Answer: 5’-3’ direction

3 Where is the location of promoter in the transcription unit?

A Towards 5’ end of template strand

B Towards 3’ end of template strand

C Towards 5’ end of coding strand

D Towards 3’ end of coding strand

View Answer

Answer: Towards 5’ end of template strand

4 Which molecule acts as an adaptor during translation?

A mRNA

B rRNA

C tRNA

D hnRNA

View Answer

Answer:tRNA

5 Who confirmed transforming principle experimentally?

A Oswald Avery

B Collin McLeod

C Maclynn McCarty

D All of them together

View Answer

Answer: All of them together

6 What is the product of metabolism of galactose in lac operon?

A Glucose + Lactose

B Glucose + Glucose

C Glucose + Fructose

D None

View Answer

Answer:None

7 What is the name of segment of DNA capable of producing a polypeptide chain

A Recon

B Cistron

C Muton

D None of these

View Answer

Answer: Cistron

8 Who experimentally proved semi conservative model of DNA replication

A Meselson & Stahl

B Frederic Griffith

C Watson & Crick

D Chargaff

View Answer

Answer:Meselson & Stahl

9 The codon AUG stands for which amino acid

A Tryptophan

B Glycine

C Lysine

D Methionine

View Answer

Answer:Methionine

10 How many sense codons are there in genetic code

A 64

B 61

C 62

D 60

View Answer

Answer:61

11 When did human genome project start?

A 1989

B 1990

C 1988

D None of these

View Answer

Answer:1990

12 Who named the term nucleic acid to the content of chromatin?

A Frederic Altmann

B Oswald Awery

C Gregor Mendel

D None

View Answer

Answer: None

13 Which enzymes prevents the binding of unwound DNA strands

A DNA ligase

B DNA polymerase

C SSB protein

D Helicase

View Answer

Answer: SSB protein

14 RNA polymerase III transcribes

A tRNA

B mRNA

C hnRNA

D rRNA

View Answer

Answer: tRNA

15 Degeneracy of genetic code is due to

A First nitrogen base

B Second nitrogen base

C Third nitrogen base

D First & second nitrogen base

View Answer

Answer:Third nitrogen base

16 Number of base pairs in a mini satellite is approximately

A 6-12 bp

B 12-18 bp

C 18- 24 bp

D None

View Answer

Answer:None

17 The post transcriptional process involves

A Splicing

B Tailing

C Capping

D All of these

View Answer

Answer:All of these

18 How many naturally occurring amino acids are there

A 20

B 21

C 22

D None

View Answer

Answer:20

19 How many stop codons are there?

A 3

B 2

C 4

D 5

View Answer

Answer: 3

20 Which gene produces permease in Lac operon?

A Z-gene

B A- gene

C Y-gene

D P-gene

View Answer

Answer: Y-gene

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