MCQ Biostatistics and Bioinformatics Click here for Payment to proceed the test Biostatistics and Bioinformatics MCQ NameEmailPhone Number 1 / 30 1. Which of the following is not included in bioinformatics? Using the primary sequence to detect homology Extracting useful information from biological data Modeling evolution of sequences in the computer Using twitter feeds to find trending biological studies 2 / 30 2. Which of the following are RNA nucleotides or modified RNA nucleotides? NAD and NADP GTP and ATP FMN and FAD All of the above 3 / 30 3. Which of the following is NOT true regarding proteins that evolved from thesame ancestral protein? A. They may have significant similarity in their primary sequence. B. They can have different functions C. They could have diverged so much that they have only limited homology. D. They do not necessarily retain detectable similarity is primary sequence. E. They will ALWAYS be homologous, even if it is no longer detectable. 4 / 30 4. Which of the following IS considered strong evidence for homology? A. Several secondary structure elements are alignable with the Swiss Protein DataBank Viewer B. Significant primary sequence similarity C. Significant primary sequence identity D. Two sequences both showing homology over 100% of their length to a third sequence. E. All of the above 5 / 30 5. Which scenario is most appropriate for using a Chi-Square test? A. Determining if there is a significant difference between the means of two independent groups. B. Assessing the relationship between two categorical variables. C. Evaluating the correlation between two continuous variables. D. Comparing the variance within one group to the variance within another group. E. All of the above are equally good answers. 6 / 30 6. What is homology? A. Percent of nucleotides or amino acids that are identical between two sequences. B. Similarity due to shared ancestry, i.e. both got it from a common ancestor. C. A difference found because of diverging evolutionary paths since the last common ancestor. D. When two proteins share a function, such as nucleotide binding, they also share sequence similarities, because of the limited size of protein space. E. Shared sequence similarity based on convergent evolution, i.e. the ancestor did not have it. 7 / 30 7. Can a protein be 45% homologous to another protein? A. Yes. B. Yes, if they share 45% sequence identity. C. Mostly no, with the exception of cases of domain shuffling. D. No, without exception. 8 / 30 8. The Swiss Protein data bank file viewer, aka Deep View CAN be used to dowhich of the following things? A. Determine the ancestral sequence of two primary sequences. B. Compare the structures of two sequences. C. Color a structure by how closely it matches the ancestral sequence. D. Detect homology with 100% certainty. E. Determine the function of a hypothetical protein with no matches in the non-redundant database and no known homologs. 9 / 30 9. Which of the following is an accurate representation of the process of conducting research? A. The formulation of hypothesis precedes the collection of data B. The formulation of hypothesis precedes the selection of research tools C. The formulation of hypothesis precedes the statement of objectives D. The formulation of hypothesis precedes the analysis of data 10 / 30 10. Which of the following is a drawback of the direct personal investigation? A This method of investigation lacks reliability B It is an extremely costly and time-consuming process C The questions asked under this method can be subject to misinterpretation D It is difficult to get original data using the direct personal investigation method 11 / 30 11. Which of the following statements is true about the collection of data? A.The problem of doubtful confusion arises in the case of an indirect oral investigation B. The problem of doubtful confusion takes place when the information is accessed through correspondents C. The problem of doubtful confusion occurs when the researcher obtains data through mailed questionnaires D. The problem of doubtful confusion happens in the case of direct personal interviews 12 / 30 12. Which of the following is the main point of difference between primary data and secondary data? A. The collection of secondary data is costlier and more time consuming when compared to primary data B. The secondary data is always original whereas the primary data is not C. The primary data is much more reliable than secondary data because it is collected directly from respondents D. None of the above 13 / 30 13. Which of these statements is true for collecting information from a third party? A. The indirect oral investigation is used to collect data from the third parties B. The mailed questionnaire method is apt for gathering information from third parties C. Third parties prefer direct personal interviews to provide data to the researcher D. All of the above 14 / 30 14. If the researcher is concerned with finding out who, what, when or how much, then thestudy is ________ A. Descriptive research B. Exploratory research C. Empirical research D. Causal research 15 / 30 15. Data obtained by the investigator from personal experimental studies is called A. Primary data B. Arrayed data C. Chronological data None of these 16 / 30 16. When data is classified according to the magnitude it is called A. Chronological B. Qualitative C. Quantitative D. Continuous 17 / 30 17. Frequency of a discrete variable can be represented by A. Line diagram B. Bar diagram C. None of them D. Both of them 18 / 30 18. Continuous variables are represented by A. Histogram B. Line diagram C. Bar diagram D. Pie chart 19 / 30 19. Percentage frequency distribution is represented by A. Frequency polygon B. Ogive representation C. Frequency table D. Pie diagram 20 / 30 20. Mode is A. Most frequent value B. Least frequent value C. Middle most value D. None 21 / 30 21. The positional average is A. Mean B. Median C. Mode D. Harmonic mean 22 / 30 22. Which of the following is a measure of variation? A. Standard Deviation B. Midrange C. Mode D. Median 23 / 30 23. The ratio between experimental and observed results is represented by A. Theta Value B. Chi- Square C. Variance Ratio D. Correlation 24 / 30 24. Standard deviation A. Is The Square Root Of Variance B. Is Measured Using The Unit Of The Variable C. Is Measured Using The Squared Unit Of The Variable D. Has Values Generally Comparable With The Average Value 25 / 30 25. A set of all possible data values for a subject under consideration is called A. Descriptive Statistics B. A Sample C. A Population D. Statistics 26 / 30 26. Which one is the true example of primary data from the following options? A. Journal B. Book C. Census Report D. Newspaper 27 / 30 27. In a multiple sequence fasta file format, which character begins each new sequence? A. * B. – C. # D. > 28 / 30 28. Which of the following is not correct about BLAST? A. The BLAST web server has been designed in such away as to simplify the task of program selection B. The programs are organized based on the type of query sequences C. The programs are organized based on the type of nucleotide sequences, or nucleotide sequence to be translated D. BLAST is not based on heuristic searching methods 29 / 30 29. Which of the following is not correct about FASTA? A. Its stands for FAST ALL B. It was in fact the first database similarity search tool developed, preceding the development of BLAST C.. FASTA uses a ‘hashing’ strategy to find matches for a short stretch of identical residues with a length of k D. The string of residues is known as blocks 30 / 30 30. In sequence alignment by BLAST, each word from query sequence is typically _______ residues for protein sequences and _______ residues for DNA sequences. A. Ten, Eleven B. Three, Three C. Three, Eleven D. Three, Ten Your score isThe average score is 49% 0% Restart quiz