Molecular Genetics MCQs are very important test and often asked by various testing services and competitive exams around the world. Here you will find all the Important Molecular Genetics MCQs for Preparation.
The student can clear their concepts for Molecular Genetics online quiz by attempting it. Doing MCQs based Molecular Genetics will help you to check your understanding and identify areas of improvement.
Molecular Genetics Online MCQs with Answers
Which of the following is the process by which genetic information in DNA is used to create a complementary RNA molecule?
a) Replication
b) Transcription
c) Translation
d) Mutation
What is the name of the enzyme responsible for synthesizing RNA during transcription?
a) DNA polymerase
b) RNA polymerase
c) Helicase
d) Ligase
What is the term used to describe the three-nucleotide sequence on mRNA that codes for a specific amino acid?
a) Codon
b) Anticodon
c) Exon
d) Intron
Which of the following is the process by which the information in mRNA is used to synthesize a protein?
a) Replication
b) Transcription
c) Translation
d) Mutation
What is the name of the structure where translation occurs in the cell?
a) Nucleus
b) Ribosome
c) Golgi apparatus
d) Mitochondria
Which of the following is the correct sequence of events during translation?
a) Initiation, elongation, termination
b) Termination, elongation, initiation
c) Elongation, initiation, termination
d) Initiation, termination, elongation
What is the term used to describe the process by which a cell copies its DNA to produce two identical DNA molecules?
a) Replication
b) Transcription
c) Translation
d) Mutation
Which of the following is the enzyme responsible for DNA replication?
a) DNA polymerase
b) RNA polymerase
c) Helicase
d) Ligase
What is the term used to describe a change in the DNA sequence that may lead to a change in the protein produced?
a) Replication
b) Transcription
c) Translation
d) Mutation
Which of the following is the process by which DNA information is used to synthesize RNA?
a) Replication
b) Transcription
c) Translation
d) Mutation
What is the name of the enzyme responsible for unwinding the DNA double helix during replication?
a) DNA polymerase
b) RNA polymerase
c) Helicase
d) Ligase
Which of the following is the correct base pairing in DNA?
a) Adenine-Thymine, Guanine-Cytosine
b) Adenine-Guanine, Thymine-Cytosine
c) Adenine-Cytosine, Guanine-Thymine
d) Adenine-Uracil, Guanine-Cytosine
What is the term used to describe the process by which mRNA is synthesized from a DNA template?
a) Replication
b) Transcription
c) Translation
d) Mutation
Which of the following is the correct base pairing in RNA?
a) Adenine-Thymine, Guanine-Cytosine
b) Adenine-Guanine, Thymine-Cytosine
c) Adenine-Cytosine, Guanine-Thymine
d) Adenine-Uracil, Guanine-Cytosine
What is the name of the structure that carries amino acids to the ribosome during translation?
a) mRNA
b) rRNA
c) tRNA
d) DNA
Which of the following is the start codon in mRNA that initiates translation?
a) AUG
b) UGA
c) UAG
d) UAA
What is the term used to describe the region of DNA where RNA polymerase binds to initiate transcription?
a) Promoter
b) Terminator
c) Exon
d) Intron
Which of the following is the process by which introns are removed and exons are joined together to produce the final mRNA molecule?
a) Replication
b) Transcription
c) Translation
d) RNA splicing
What is the term used to describe the process by which mRNA is decoded and a protein is synthesized?
a) Replication
b) Transcription
c) Translation
d) Mutation
Which of the following is the correct sequence of events during DNA replication?
a) Initiation, elongation, termination
b) Termination, elongation, initiation
c) Elongation, initiation, termination
d) Initiation, termination, elongation
What is the name of the enzyme responsible for adding new nucleotides during DNA replication?
a) DNA polymerase
b) RNA polymerase
c) Helicase
d) Ligase
Which of the following is the process by which genetic information in mRNA is used to synthesize a protein?
a) Replication
b) Transcription
c) Translation
d) Mutation
What is the name of the structure where transcription occurs in the cell?
a) Nucleus
b) Ribosome
c) Golgi apparatus
d) Mitochondria
Which of the following is the correct base pairing in DNA?
a) Adenine-Thymine, Guanine-Cytosine
b) Adenine-Guanine, Thymine-Cytosine
c) Adenine-Cytosine, Guanine-Thymine
d) Adenine-Uracil, Guanine-Cytosine
What is the term used to describe the process by which a cell copies its DNA to produce two identical DNA molecules?
a) Replication
b) Transcription
c) Translation
d) Mutation
Which of the following is the enzyme responsible for DNA replication?
a) DNA polymerase
b) RNA polymerase
c) Helicase
d) Ligase
What is the term used to describe a change in the DNA sequence that may lead to a change in the protein produced?
a) Replication
b) Transcription
c) Translation
d) Mutation
Which of the following is the process by which DNA information is used to synthesize RNA?
a) Replication
b) Transcription
c) Translation
d) Mutation
What is the name of the enzyme responsible for unwinding the DNA double helix during replication?
a) DNA polymerase
b) RNA polymerase
c) Helicase
d) Ligase
Which of the following is the correct base pairing in DNA?
a) Adenine-Thymine, Guanine-Cytosine
b) Adenine-Guanine, Thymine-Cytosine
c) Adenine-Cytosine, Guanine-Thymine
d) Adenine-Uracil, Guanine-Cytosine
What is the term used to describe the process by which mRNA is synthesized from a DNA template?
a) Replication
b) Transcription
c) Translation
d) Mutation
Which of the following is the correct base pairing in RNA?
a) Adenine-Thymine, Guanine-Cytosine
b) Adenine-Guanine, Thymine-Cytosine
c) Adenine-Cytosine, Guanine-Thymine
d) Adenine-Uracil, Guanine-Cytosine
What is the term used to describe the process by which tRNA aligns amino acids in the correct order during translation?
a) Initiation
b) Elongation
c) Termination
d) Translocation
Which of the following is the process by which the mRNA molecule is synthesized using a DNA template?
a) Replication
b) Transcription
c) Translation
d) Mutation
What is the term used to describe the process by which introns are removed from the pre-mRNA molecule?
a) Splicing
b) Polyadenylation
c) Methylation
d) Replication
Which of the following is the start codon that signals the initiation of protein synthesis?
a) AUG
b) UGA
c) UAG
d) UAA
What is the term used to describe the region of DNA where RNA polymerase binds to initiate transcription?
a) Promoter
b) Terminator
c) Exon
d) Intron
Which of the following is the process by which the final mRNA molecule is synthesized by joining exons together?
a) Splicing
b) Polyadenylation
c) Methylation
d) Replication
What is the term used to describe the process by which mRNA is decoded and a protein is synthesized?
a) Replication
b) Transcription
c) Translation
d) Mutation
Which of the following is the correct sequence of events during DNA replication?
a) Initiation, elongation, termination
b) Termination, elongation, initiation
c) Elongation, initiation, termination
d) Initiation, termination, elongation
What is the name of the enzyme responsible for adding new nucleotides during DNA replication?
a) DNA polymerase
b) RNA polymerase
c) Helicase
d) Ligase
Which of the following is the process by which genetic information in mRNA is used to synthesize a protein?
a) Replication
b) Transcription
c) Translation
d) Mutation
What is the name of the structure where transcription occurs in the cell?
a) Nucleus
b) Ribosome
c) Golgi apparatus
d) Mitochondria
Which of the following is the correct base pairing in DNA?
a) Adenine-Thymine, Guanine-Cytosine
b) Adenine-Guanine, Thymine-Cytosine
c) Adenine-Cytosine, Guanine-Thymine
d) Adenine-Uracil, Guanine-Cytosine
What is the term used to describe the process by which a cell copies its DNA to produce two identical DNA molecules?
a) Replication
b) Transcription
c) Translation
d) Mutation
Which of the following is the enzyme responsible for DNA replication?
a) DNA polymerase
b) RNA polymerase
c) Helicase
d) Ligase
What is the term used to describe a change in the DNA sequence that may lead to a change in the protein produced?
a) Replication
b) Transcription
c) Translation
d) Mutation
Which of the following is the process by which DNA information is used to synthesize RNA?
a) Replication
b) Transcription
c) Translation
d) Mutation
What is the name of the enzyme responsible for unwinding the DNA double helix during replication?
a) DNA polymerase
b) RNA polymerase
c) Helicase
d) Ligase
Which of the following is the correct base pairing in DNA?
a) Adenine-Thymine, Guanine-Cytosine
b) Adenine-Guanine, Thymine-Cytosine
c) Adenine-Cytosine, Guanine-Thymine
d) Adenine-Uracil, Guanine-Cytosine
What is the term used to describe the process by which mRNA is synthesized from a DNA template?
a) Replication
b) Transcription
c) Translation
d) Mutation
Which of the following is the correct base pairing in RNA?
a) Adenine-Thymine, Guanine-Cytosine
b) Adenine-Guanine, Thymine-Cytosine
c) Adenine-Cytosine, Guanine-Thymine
d) Adenine-Uracil, Guanine-Cytosine
What is the term used to describe the process by which tRNA aligns amino acids in the correct order during translation?
a) Initiation
b) Elongation
c) Termination
d) Translocation
Which of the following is the process by which the mRNA molecule is synthesized using a DNA template?
a) Replication
b) Transcription
c) Translation
d) Mutation
What is the term used to describe the process by which introns are removed from the pre-mRNA molecule?
a) Splicing
b) Polyadenylation
c) Methylation
d) Replication
Which of the following is the start codon that signals the initiation of protein synthesis?
a) AUG
b) UGA
c) UAG
d) UAA
What is the term used to describe the region of DNA where RNA polymerase binds to initiate transcription?
a) Promoter
b) Terminator
c) Exon
d) Intron
Which of the following is the process by which the final mRNA molecule is synthesized by joining exons together?
a) Splicing
b) Polyadenylation
c) Methylation
d) Replication
What is the term used to describe the process by which mRNA is decoded and a protein is synthesized?
a) Replication
b) Transcription
c) Translation
d) Mutation
Which of the following is the correct sequence of events during DNA replication?
a) Initiation, elongation, termination
b) Termination, elongation, initiation
c) Elongation, initiation, termination
d) Initiation, termination, elongation
What is the name of the enzyme responsible for adding new nucleotides during DNA replication?
a) DNA polymerase
b) RNA polymerase
c) Helicase
d) Ligase
Which of the following is the process by which genetic information in mRNA is used to synthesize a protein?
a) Replication
b) Transcription
c) Translation
d) Mutation
What is the name of the structure where transcription occurs in the cell?
a) Nucleus
b) Ribosome
c) Golgi apparatus
d) Mitochondria
Which of the following is the correct base pairing in DNA?
a) Adenine-Thymine, Guanine-Cytosine
b) Adenine-Guanine, Thymine-Cytosine
c) Adenine-Cytosine, Guanine-Thymine
d) Adenine-Uracil, Guanine-Cytosine
What is the term used to describe the process by which a cell copies its DNA to produce two identical DNA molecules?
a) Replication
b) Transcription
c) Translation
d) Mutation
Which of the following is the enzyme responsible for DNA replication?
a) DNA polymerase
b) RNA polymerase
c) Helicase
d) Ligase
What is the term used to describe a change in the DNA sequence that may lead to a change in the protein produced?
a) Replication
b) Transcription
c) Translation
d) Mutation
Which of the following is the process by which DNA information is used to synthesize RNA?
a) Replication
b) Transcription
c) Translation
d) Mutation
What is the name of the enzyme responsible for unwinding the DNA double helix during replication?
a) DNA polymerase
b) RNA polymerase
c) Helicase
d) Ligase
Which of the following is the correct base pairing in DNA?
a) Adenine-Thymine, Guanine-Cytosine
b) Adenine-Guanine, Thymine-Cytosine
c) Adenine-Cytosine, Guanine-Thymine
d) Adenine-Uracil, Guanine-Cytosine