MCQOPTIONS
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MCQOPTIONS
This section includes 32 Mcqs, each offering curated multiple-choice questions to sharpen your Bioprocess Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
A set of data organised in a participants(rows)-byvariables( columns) format is known as a “data set.” |
| A. | true |
| B. | false |
| Answer» B. false | |
| 2. |
If the assumed hypothesis is tested for rejection considering it to be true is called? |
| A. | null hypothesis |
| B. | statistical hypothesis |
| C. | simple hypothesis |
| D. | composite hypothesis |
| Answer» B. statistical hypothesis | |
| 3. |
Boolean operators are words that are used to create logical combinations. |
| A. | true |
| B. | false |
| Answer» B. false | |
| 4. |
An advantage of using computer programs for qualitative data is that they _______. |
| A. | can reduce time required to analyse data (i.e., after the data are transcribed) |
| B. | help in storing and organising data |
| C. | make many procedures available that are rarely done by hand due to time constraints |
| D. | all of the above |
| Answer» E. | |
| 5. |
A statement made about a population for testing purpose is called? |
| A. | statistic |
| B. | hypothesis |
| C. | level of significance |
| D. | test-statistic |
| Answer» C. level of significance | |
| 6. |
If the null hypothesis is false then which of the following is accepted? |
| A. | null hypothesis |
| B. | positive hypothesis |
| C. | negative hypothesis |
| D. | alternative hypothesis. |
| Answer» E. | |
| 7. |
A graph that uses vertical bars to represent data is called a ___ |
| A. | line graph |
| B. | bar graph |
| C. | scatterplot |
| D. | vertical graph |
| Answer» C. scatterplot | |
| 8. |
What is the cyclical process of collecting and analysing data during a single research study called? |
| A. | interim analysis |
| B. | inter analysis |
| C. | inter-item analysis |
| D. | constant analysis |
| Answer» B. inter analysis | |
| 9. |
__________ are the basic building blocks of qualitative data. |
| A. | categories |
| B. | units |
| C. | individuals |
| D. | none of the above |
| Answer» B. units | |
| 10. |
Hypothesis testing and estimation are both types of descriptive statistics. |
| A. | true |
| B. | false |
| Answer» C. | |
| 11. |
___________ are used when you want to visually examine the relationship between two quantitative variables. |
| A. | bar graphs |
| B. | pie graphs |
| C. | line graphs |
| D. | scatterplots |
| Answer» E. | |
| 12. |
The denominator (bottom) of the z-score formula is |
| A. | the standard deviation |
| B. | the difference between a score and the mean |
| C. | the range |
| D. | the mean |
| Answer» B. the difference between a score and the mean | |
| 13. |
What is a hypothesis? |
| A. | a statement that the researcher wants to test through the data collected in a study. |
| B. | a research question the results will answer. |
| C. | a theory that underpins the study. |
| D. | a statistical method for calculating the extent to which the results could have happened by chance. |
| Answer» B. a research question the results will answer. | |
| 14. |
Alternative Hypothesis is also called as? |
| A. | composite hypothesis |
| B. | research hypothesis |
| C. | simple hypothesis |
| D. | null hypothesis |
| Answer» C. simple hypothesis | |
| 15. |
. The process of marking segments of data with symbols, descriptive words, or category names is known as _______. |
| A. | concurring |
| B. | coding |
| C. | colouring |
| D. | segmenting |
| Answer» C. colouring | |
| 16. |
The process of quantifying data is referred to as _________. |
| A. | typology |
| B. | diagramming |
| C. | enumeration |
| D. | coding |
| Answer» D. coding | |
| 17. |
This is the process of transforming qualitative research data from written interviews or field notes into typed text. |
| A. | segmenting |
| B. | coding |
| C. | transcription |
| D. | mnemoning |
| Answer» D. mnemoning | |
| 18. |
A challenge of qualitative data analysis is that it often includes data that are unwieldy and complex; it is a major challenge to make sense of the large pool of data. |
| A. | true |
| B. | false |
| Answer» B. false | |
| 19. |
For what MANOVA is used for? |
| A. | Detection of biological samples |
| B. | Detection of the best fit curve |
| C. | Comparison between monovariate samples |
| D. | Comparison between multivariate samples |
| Answer» E. | |
| 20. |
What is the basic Optical Density (O.D) of the bacterial cells? |
| A. | 680nm |
| B. | 600nm |
| C. | 200nm |
| D. | 280nm |
| Answer» C. 200nm | |
| 21. |
Essentially in an experiment involving bacteria, we measure Optical density of the media where the bacteria grow at different time point from the same flask. If we have 2 or more types of bacteria and want to investigate whether the growth curve of those bacteria are significantly different, what do you think the best analysis can be applied for this purpose? |
| A. | Linear regression analysis or general regression analysis |
| B. | Non- linear regression analysis or general regression analysis |
| C. | Logistic regression analysis |
| D. | Stepwise regression analysis |
| Answer» C. Logistic regression analysis | |
| 22. |
The diauxic growth curve mainly found in E.coli in the case of two types of nutrients is found in Batch culture is based on which equation? |
| A. | Monod equation |
| B. | Michaelis – Menten equation |
| C. | Schrodinger equation |
| D. | Lyapunov equation |
| Answer» B. Michaelis – Menten equation | |
| 23. |
What is the generation time of a bacterial population that increases from 10,000 cells to 10,000,000 cells in four hours of growth? |
| A. | 24 minutes |
| B. | 30 minutes |
| C. | 34 minutes |
| D. | 60 minutes |
| Answer» B. 30 minutes | |
| 24. |
If the substrate is given in molar concentration how would you define it’s Molarity and Molality based on the temperature condition? |
| A. | Molarity and Molality both will change on effect of temperature |
| B. | Molarity will change but not Molality |
| C. | Molality will change but not Molarity |
| D. | Normality of the reaction will change |
| Answer» C. Molality will change but not Molarity | |
| 25. |
From the below representation of growth phase, which is the missing growth phase? |
| A. | Exponential Growth Phase |
| B. | Final Lag Phase |
| C. | Initial Log Phase |
| D. | Final Log phase |
| Answer» B. Final Lag Phase | |
| 26. |
THE_DIAUXIC_GROWTH_CURVE_MAINLY_FOUND_IN_E.COLI_IN_CASE_OF_TWO_TYPES_OF_NUTRIENTS_IS_FOUND_IN_BATCH_CULTURE_IS_BASED_ON_WHICH_EQUATION??$ |
| A. | Monod equation |
| B. | Michaelis – Menten equation |
| C. | Schrodinger equation |
| D. | Lyapunov equation |
| Answer» C. Schrodinger equation | |
| 27. |
Essentially_in_an_experiment_involving_bacteria,_we_measure_Optical_density_of_the_media_where_the_bacteria_grow_at_different_time_point_from_the_same_flask._If_we_have_2_or_more_types_of_bacteria_and_want_to_investigate_whether_the_growth_curve_of_those_bacteria_are_significantly_different,_what_do_you_think_the_best_analysis_can_be_applied_for_this_purpose?$ |
| A. | Linear regression analysis or general regression analysis |
| B. | Non- linear regression analysis or general regression analysis |
| C. | Logistic regression analysis |
| D. | Stepwise regression analysis |
| Answer» E. | |
| 28. |
In the case of Rota meter, which is used for measuring the water flow rate? |
| A. | Only one variable is involved, i.e. independent variable ( the Rota meter reading) |
| B. | Only two variables are involved: one independent variable( the Rota meter reading) and one dependent variable (the water flow rate) |
| C. | Only two variables are involved: one independent variable(the water flow rate) and one dependent variable (the Rota meter reading) |
| D. | Only one variable is involved, i.e. independent variable ( the water flow rate) |
| Answer» C. Only two variables are involved: one independent variable(the water flow rate) and one dependent variable (the Rota meter reading) | |
| 29. |
On which type of plot the best fit line is represented? |
| A. | Dot plot |
| B. | Line weaver- Burk plot |
| C. | Scatter plot |
| D. | Bland- Altman plot |
| Answer» B. Line weaver- Burk plot | |
| 30. |
If the substrate is given in molar concentration how would you define it’s Molarity and Molality based on the temperature condition?$ |
| A. | Molarity and Molality both will change on effect of temperature |
| B. | Molarity will change but not Molality |
| C. | Molality will change but not Molarity |
| D. | Normality of the reaction will change |
| Answer» D. Normality of the reaction will change | |
| 31. |
Exponential Growth Phase |
| A. | Final Lag Phase |
| B. | Initial Log Phase |
| C. | Final Log phase |
| Answer» B. Initial Log Phase | |
| 32. |
Which type of graph plot is used to analyze the effect of temperature on the rates of chemical reactions? |
| A. | Dot plot |
| B. | Normal probability plot |
| C. | Arrhenius plot |
| D. | Line weaver-Burk plot |
| Answer» D. Line weaver-Burk plot | |