mRNA -Multiple Choice Questions Quiz

Interactive MCQs on “mRNA”:

Solve the following 10 questions. Only one option is correct. Click on the “Submit” button when done. Click on the “embed” button to use this quiz on your website. Click on “WhatsApp” to share this quiz.

Question 1: What is the main role of mRNA in the cell?

(a) Storage of genetic information
(b) Synthesis of proteins
(c) Energy production
(d) Cellular respiration

Question 2: Which process involves the conversion of genetic information in mRNA into a sequence of amino acids to form a protein?

(a) Replication
(b) Transcription
(c) Translation
(d) Mutation

Question 3: What is the function of the 5' cap on mRNA?

(a) It helps to stabilize the mRNA molecule
(b) It encodes information for protein synthesis
(c) It is a termination signal for translation
(d) It regulates mRNA degradation

Question 4: Which organelle is responsible for the synthesis of mRNA?

(a) Mitochondrion
(b) Nucleus
(c) Endoplasmic reticulum
(d) Ribosome

Question 5: What is the process of mRNA degradation called?

(a) Transcription
(b) Translation
(c) Splicing
(d) Degradation

Question 6: What is the significance of the poly-A tail at the 3' end of mRNA?

(a) It enhances mRNA stability and lifespan
(b) It codes for specific amino acids
(c) It initiates translation
(d) It binds to DNA during transcription

Question 7: What is the term for the removal of introns and the joining of exons in mRNA before translation?

(a) Replication
(b) Splicing
(c) Translation
(d) Transcription

Question 8: Which enzyme is responsible for synthesizing mRNA during transcription?

(a) DNA polymerase
(b) RNA polymerase
(c) Ribonuclease
(d) Ligase

Question 9: What is the role of tRNA (transfer RNA) during protein synthesis?

(a) Carrying genetic information from DNA to ribosomes
(b) Binding to mRNA and promoting translation
(c) Carrying amino acids to ribosomes for protein synthesis
(d) Transcribing DNA into mRNA

Question 10: How does mRNA leave the nucleus and enter the cytoplasm for translation?

(a) It is transported through nuclear pores
(b) It is synthesized in the cytoplasm
(c) It is transported through ribosomes
(d) It is actively transported by ribosomes