MCQOPTIONS
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MCQOPTIONS
This section includes 13 Mcqs, each offering curated multiple-choice questions to sharpen your Bioinformatics knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The initiation of FASTA format has ____ symbol. |
| A. | > |
| B. | < |
| C. | / |
| D. | * |
| Answer» B. < | |
| 2. |
The gapped portion in the diagonals represents matches in FASTA. |
| A. | True |
| B. | False |
| Answer» C. | |
| 3. |
In FASTA, For a Z-score > 15, the match can be considered extremely ______ with _____ of a homologous relationship. |
| A. | insignificant, uncertainty |
| B. | significant, uncertainty |
| C. | significant, certainty |
| D. | insignificant, certainty |
| Answer» D. insignificant, certainty | |
| 4. |
THE_INITIATION_OF_FASTA_FORMAT_HAS______SYMBOL.?$ |
| A. | > |
| B. | < |
| C. | / |
| D. | * |
| Answer» B. < | |
| 5. |
The gapped portion in the diagonals represents matches in FASTA? |
| A. | True |
| B. | False |
| Answer» C. | |
| 6. |
FASTA is derived from logic of the dot plot. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 7. |
BLAST often produces several short HSPs rather than a single aligned region. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 8. |
BLAST might not find matches for very short sequences. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 9. |
Which of the following is not a benefit of BLAST? |
| A. | Handling of gaps |
| B. | Speed |
| C. | More sensitive |
| D. | Statistical rigor |
| Answer» B. Speed | |
| 10. |
The use of low-complexity masking in the BLAST procedure means that it may have higher specificity than FASTA because potential false positives are reduced. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 11. |
Which of the following is not a benefit or a factual of FASTA over BLAST? |
| A. | FASTA scans smaller window sizes |
| B. | It gives more sensitive results |
| C. | It gives less sensitive results |
| D. | It gives results with a better coverage rate for homologs |
| Answer» D. It gives results with a better coverage rate for homologs | |
| 12. |
BLAST uses a _______ to find matching words, whereas FASTA identifies identical matching words using the _____ |
| A. | substitution matrix, hashing procedure |
| B. | substitution matrix, blocks |
| C. | hashing procedure, substitution matrix |
| D. | ktups, substitution matrix |
| Answer» B. substitution matrix, blocks | |
| 13. |
In FASTA, For a Z-score > 15, the match can be considered extremely______ with _____of a homologous relationship. |
| A. | insignificant, uncertainty |
| B. | significant, uncertainty |
| C. | significant, certainty |
| D. | insignificant, certainty |
| Answer» D. insignificant, certainty | |