MCQOPTIONS
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MCQOPTIONS
This section includes 8 Mcqs, each offering curated multiple-choice questions to sharpen your Biology knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Where are the untranslated regions (UTRs) present? |
| A. | At both the 5 and the 3 ends |
| B. | At only the 5 end |
| C. | At only the 3 end |
| D. | Outer to the 5 and the 3 end |
| Answer» B. At only the 5 end | |
| 2. |
Which of the following is the start codon? |
| A. | UAA |
| B. | UAG |
| C. | AUG |
| D. | UGA |
| Answer» D. UGA | |
| 3. |
What happens when the small subunit of the ribosome encounters an mRNA? |
| A. | Separation of the small and the larger subunit of the ribosome |
| B. | Translation of the central dogma of DNA |
| C. | Joining of the small and the larger subunit of the ribosome |
| D. | Transcription of the central dogma of DNA |
| Answer» C. Joining of the small and the larger subunit of the ribosome | |
| 4. |
How many types of proteins are present inside a single ribosome? |
| A. | 40 |
| B. | 60 |
| C. | 80 |
| D. | 100 |
| Answer» D. 100 | |
| 5. |
Which of the following cell organelle is responsible for the synthesis of proteins? |
| A. | Lysosomes |
| B. | Mitochondria |
| C. | Nucleus |
| D. | Ribosomes |
| Answer» E. | |
| 6. |
The presence of a catalyst would decrease the rate of formation of a peptide bond. |
| A. | True |
| B. | False |
| Answer» C. | |
| 7. |
What is the process of activation of amino acids in the presence of ATP and its linkage to their cognate tRNA known as? |
| A. | Charging of tRNA |
| B. | Charging of ATP |
| C. | Aminoacetylation of tRNA |
| D. | Aminoacetylation of ATP |
| Answer» B. Charging of ATP | |
| 8. |
What is the process of polymerisation of polypeptides to amino acids known as? |
| A. | Transcription |
| B. | Translation |
| C. | Reverse transcription |
| D. | Reverse translation |
| Answer» C. Reverse transcription | |