MCQOPTIONS
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MCQOPTIONS
This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Life Sciences knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
NAME_THE_SITE_WHERE_SECRETED_PROTEIN_SYNTHESIZED??$ |
| A. | ER membrane bound ribosomes |
| B. | Mitochondrial ribosome |
| C. | Membrane free ribosome |
| D. | Chloroplast ribosome |
| Answer» B. Mitochondrial ribosome | |
| 2. |
Name_the_antibiotic_which_inhibits_protein_synthesis_in_eukaryotes?$ |
| A. | Penicillin |
| B. | Cycloheximide |
| C. | Cinhonine |
| D. | Chlorophenicol |
| Answer» C. Cinhonine | |
| 3. |
Which of the following transport involves translocation of the protein from cytosol to the nucleus? |
| A. | Transmembrane transport |
| B. | Vesicular transport |
| C. | Non-gated transport |
| D. | Gated transport |
| Answer» E. | |
| 4. |
Which of the following statement is defines polysomes? |
| A. | Lysosomal aggregation |
| B. | Multiple units of ribosomes |
| C. | Attachment of many ribosomes to common mRNA |
| D. | Attachment of many mRNA to ribosomes |
| Answer» D. Attachment of many mRNA to ribosomes | |
| 5. |
Which of the following is not a sorting signal present of protein? |
| A. | Signal patch |
| B. | Signal peptide |
| C. | Carbohydrate sequence |
| D. | Amino acid sequence |
| Answer» D. Amino acid sequence | |
| 6. |
Which of the following Scientist discovered ribosome for the first time? |
| A. | George Emil Palade |
| B. | Theodor Schwann |
| C. | Antonie van Leeuwenhoek |
| D. | Robert Hook |
| Answer» B. Theodor Schwann | |
| 7. |
What is the sedimentation coefficient of mitochondrial ribosome of humans? |
| A. | 70S |
| B. | 55S |
| C. | 80S |
| D. | 60S |
| Answer» C. 80S | |
| 8. |
Which of the following ribosomal RNA does not take part in rDNA organization of E.coli? |
| A. | 5S RNA |
| B. | 23S RNA |
| C. | 16S RNA |
| D. | 5.8S RNA |
| Answer» E. | |
| 9. |
Eukaryotes have 80S ribosome. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 10. |
Genetic information stored in mRNA is translated to polypeptide by ___________ |
| A. | Ribosome |
| B. | Nucleus |
| C. | Endoplasmic reticulum |
| D. | Golgi apparatus |
| Answer» B. Nucleus | |