MCQOPTIONS
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MCQOPTIONS
This section includes 12 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 genetic disorder which is caused by the deficiency of enzyme HGPRT? |
| A. | SCID |
| B. | Lesch-Nyhan syndrome |
| C. | Cystic fibrosis |
| D. | Down syndrome |
| Answer» C. Cystic fibrosis | |
| 2. |
Which of the following disorder is caused due to the high serum level of urate? |
| A. | Gout |
| B. | Galectosemia |
| C. | Cystic fibrosis |
| D. | Maple syrup urine disease |
| Answer» B. Galectosemia | |
| 3. |
WHICH_OF_THE_FOLLOWING_DISORDER_IS_CAUSED_DUE_TO_THE_HIGH_SERUM_LEVEL_OF_URATE??$ |
| A. | Gout |
| B. | Galectosemia |
| C. | Cystic fibrosis |
| D. | Maple syrup urine disease |
| Answer» B. Galectosemia | |
| 4. |
Name the genetic disorder which is caused by the deficiency of enzyme HGPRT?$ |
| A. | SCID |
| B. | Lesch-Nyhan syndrome |
| C. | Cystic fibrosis |
| D. | Down syndrome |
| Answer» C. Cystic fibrosis | |
| 5. |
Name the deficiency in which T and B lymphocyte do not develop properly? |
| A. | XLA |
| B. | CVID |
| C. | SCID |
| D. | Multiple myeloma |
| Answer» D. Multiple myeloma | |
| 6. |
What is the final product of purine degradation in mammals? |
| A. | Guanine |
| B. | Inosine |
| C. | Uric acid |
| D. | Hypoxanthine |
| Answer» D. Hypoxanthine | |
| 7. |
During purine synthesis the activity of amidotransferase enzyme is inhibited by the antitumor agent, mark the correct one. |
| A. | Aminopterin |
| B. | Methotrexate |
| C. | Texol |
| D. | Azaserine |
| Answer» E. | |
| 8. |
Which of the following is not the precursor of a purine ring? |
| A. | Glutamine |
| B. | Lysine |
| C. | Glycine |
| D. | Aspartate |
| Answer» C. Glycine | |
| 9. |
The activity of which of the following enzyme is inhibited by the chemotherapeutic agent during deoxyribonucleotide synthesis? |
| A. | Dihydrofolate reductase |
| B. | Ribonucleotide reductase |
| C. | Thymidylate synthase |
| D. | CTP synthetase |
| Answer» B. Ribonucleotide reductase | |
| 10. |
Name the precursor of RNA? |
| A. | Glutamine |
| B. | Cytidine |
| C. | Orotidylate |
| D. | Uridylate |
| Answer» E. | |
| 11. |
All deoxyribonucleotide is synthesized by the ribonucleotides. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 12. |
Salvage pathway is used in the synthesis of ___________ |
| A. | Amino acid |
| B. | Carbohydrate |
| C. | Nucleotide |
| D. | Fatty acid |
| Answer» D. Fatty acid | |