Ribosomes -Multiple Choice Questions Quiz

Interactive MCQs on “Ribosomes”:

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 primary function of ribosomes in cells?

(A) Protein degradation
(B) Lipid synthesis
(C) Protein synthesis
(D) DNA replication

Question 2:Where are ribosomes found in prokaryotic cells?

(A) In the cytoplasm
(B) On the endoplasmic reticulum
(C) Inside the nucleus
(D) In the mitochondria

Question 3: What are the two main subunits of a ribosome?

(A) Large and small subunit
(B) Nucleus and mitochondria
(C) Cytoplasm and nucleus
(D) Large and medium subunit

Question 4:In which part of eukaryotic cells are ribosomes found?

(A) Nucleus
(B) Mitochondria
(C) Chloroplasts
(D) Cytoplasm and rough endoplasmic reticulum

Question 5:What is the main difference between prokaryotic and eukaryotic ribosomes?

(A) Prokaryotic ribosomes are larger
(B) Eukaryotic ribosomes have no subunits
(C) Eukaryotic ribosomes are smaller
(D) Prokaryotic ribosomes are smaller

Question 6:Which molecule is translated by ribosomes to form proteins?

(A) DNA
(B) mRNA
(C) tRNA
(D) rRNA

Question 7:What is the role of tRNA in protein synthesis?

(A) It synthesizes proteins
(B) It carries genetic information
(C) It brings amino acids to the ribosome
(D) It stabilizes the mRNA

Question 8:What is the structure of ribosomal RNA (rRNA)?

(A) A single-stranded structure
(B) A double-stranded structure
(C) A protein structure
(D) A structural and functional component of ribosomes

Question 9:What happens during the elongation stage of translation?

(A) mRNA is transcribed
(B) Ribosomes leave the nucleus
(C) Amino acids are added to the protein chain
(D) tRNA is synthesized

Question 10:What is the importance of ribosomes in a cell?

(A) To produce energy
(B) To synthesize proteins
(C) To produce DNA
(D) To store genetic information