MCQOPTIONS
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MCQOPTIONS
This section includes 48 Mcqs, each offering curated multiple-choice questions to sharpen your Genetic Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Biomass is used to produce electricity. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 2. |
Which of the following use producer gas from biomass? |
| A. | Hydrothermal plant |
| B. | Paper and textile industry |
| C. | Wind plants |
| D. | Fuel cells |
| Answer» C. Wind plants | |
| 3. |
Why is biomass gasification useful? |
| A. | To get gases which can be used as fuel |
| B. | To reduce solid waste |
| C. | To increase solid waste |
| D. | Biomass gasifiers are economical |
| Answer» B. To reduce solid waste | |
| 4. |
Which of the following is a thermal application of biomass? |
| A. | Freezing |
| B. | Anaerobic Digestion |
| C. | Fermentation |
| D. | Combustion |
| Answer» E. | |
| 5. |
Why are renewable resources preferred? |
| A. | Cheap |
| B. | Profitable |
| C. | Release little greenhouse gases |
| D. | Are freely available |
| Answer» D. Are freely available | |
| 6. |
Hydro energy provide water for irrigation |
| A. | False |
| B. | True |
| Answer» C. | |
| 7. |
Which of the following is an application of hydro energy? |
| A. | Flood risk management |
| B. | Generating wind |
| C. | Manufacturing |
| D. | Environment damage |
| Answer» B. Generating wind | |
| 8. |
Which of the following do heat pumps use in geothermal energy? |
| A. | Earth’s variable temperature |
| B. | Variable electricity |
| C. | Constant electricity |
| D. | Earth’s constant temperature |
| Answer» E. | |
| 9. |
How does geothermal energy work? |
| A. | Uses water from the earth |
| B. | Uses potential energy |
| C. | Uses heat from the core of earth |
| D. | Uses heat from atmosphere |
| Answer» D. Uses heat from atmosphere | |
| 10. |
What are the applications of concentrating solar collectors? |
| A. | Domestic water heating |
| B. | Desalination plants |
| C. | Linear focusing |
| D. | Point focusing |
| Answer» C. Linear focusing | |
| 11. |
What is a concentrating solar collector? |
| A. | Collects and concentrates sunlight on an absorber |
| B. | Collects and concentrates sunlight on a reflector |
| C. | Reflects sunlight |
| D. | Directly uses the incoming global radiation |
| Answer» B. Collects and concentrates sunlight on a reflector | |
| 12. |
What is a non-concentrating solar collector? |
| A. | Collects and stores sunlight |
| B. | Collects and concentrates sunlight |
| C. | Reflects sunlight |
| D. | Directly uses the incoming global radiation |
| Answer» E. | |
| 13. |
What is a solar collector? |
| A. | A device that generates current |
| B. | A device that collects and stores sunlight |
| C. | A device that collects and concentrates sunlight |
| D. | A device that filters sunlight |
| Answer» D. A device that filters sunlight | |
| 14. |
Which of the following is a thermal application of solar energy? |
| A. | Photovoltaic |
| B. | Concentrating collectors |
| C. | Solar cell |
| D. | Electricity |
| Answer» C. Solar cell | |
| 15. |
Which of the following is not a renewable source of energy? |
| A. | Fossil fuels |
| B. | Sun |
| C. | Biomass |
| D. | Wind |
| Answer» B. Sun | |
| 16. |
This created a problem in modelling supersonic blunt nose. |
| A. | Change of flow equations from elliptic to hyperbolic |
| B. | High speed with high temperature |
| C. | Supersonic Mach number |
| D. | High temperatures |
| Answer» B. High speed with high temperature | |
| 17. |
What would be the major difference between aerodynamic and hydrodynamic analyses? |
| A. | Temperature |
| B. | Reynolds Number |
| C. | Velocity |
| D. | Domain |
| Answer» C. Velocity | |
| 18. |
Which is not an internal analysis? |
| A. | Combustion |
| B. | Turbulence |
| C. | Flow over compressor |
| D. | Exhaust pipes |
| Answer» D. Exhaust pipes | |
| 19. |
CFD applications provide information for the design of furnaces with ____ thermal efficiency and ____ emissions of pollutants. |
| A. | Increased, reduced |
| B. | Reduced, increased |
| C. | Reduced, reduced |
| D. | Increased, increased |
| Answer» B. Reduced, increased | |
| 20. |
Which of these models would be the best for flow over a submarine? |
| A. | 3-D Navier-Stokes equation for compressible flow without a turbulence model |
| B. | 3-D Navier-Stokes equation for incompressible flow without a turbulence model |
| C. | 3-D Navier-Stokes equation for compressible flow with a turbulence model |
| D. | 3-D Navier-Stokes equation for incompressible flow with a turbulence model |
| Answer» E. | |
| 21. |
CFD can be used to understand the flow behaviour of liquid metal during mould filling. This can be used to ____________ |
| A. | Change the mould according to fluid flow |
| B. | Choose the best metal |
| C. | Improve casting techniques |
| D. | Change temperature |
| Answer» D. Change temperature | |
| 22. |
Which of these will not be applicable for CFD in naval applications? |
| A. | Propeller Design |
| B. | Wind loads |
| C. | Lift analysis |
| D. | Stability in manoeuvring |
| Answer» D. Stability in manoeuvring | |
| 23. |
Which of these forces will have to be analysed using CFD to improve the aerodynamic performance of a vehicle? |
| A. | Lift |
| B. | Drag |
| C. | Thrust |
| D. | Weight |
| Answer» C. Thrust | |
| 24. |
The internal flow analysis of an automobile running based on Otto-cycle will need a ___________ analysis. |
| A. | Transient |
| B. | Steady |
| C. | Finite difference |
| D. | Finite element |
| Answer» B. Steady | |
| 25. |
For which of the following purposes can an automobile company not use the CFD tool? |
| A. | Study heat transfer between its parts |
| B. | Increase aerodynamic performance |
| C. | Increasing load capacity |
| D. | Increasing fuel economy |
| Answer» D. Increasing fuel economy | |
| 26. |
One of the disadvantages of the Microstrip antenna is excitation of surface waves |
| A. | True |
| B. | False |
| Answer» B. False | |
| 27. |
Rectenna Application of Microstrip antenna converts _______________ |
| A. | Microwave energy to DC power |
| B. | Microwave energy to AC power |
| C. | Microwave energy to solar energy |
| D. | Inductive to capacitive |
| Answer» B. Microwave energy to AC power | |
| 28. |
Which of the following is the application of Microstrip antenna in a telemedicine industry? |
| A. | Wireless Body Area Network |
| B. | Detection of moving targets |
| C. | Rectenna application |
| D. | WiMax |
| Answer» B. Detection of moving targets | |
| 29. |
In Microstrip antennas, the feed line and matching networks cannot be fabricated separated separately |
| A. | False |
| B. | True |
| Answer» B. True | |
| 30. |
One of the advantages of the Microstrip antenna compared to conventional microwave antenna is _________ |
| A. | Small size |
| B. | Low gain |
| C. | No surface wave excitation |
| D. | High gain |
| Answer» B. Low gain | |
| 31. |
In mobiles, which of the following antenna is widely used? |
| A. | Microstrip antenna |
| B. | Horn antenna |
| C. | Yagi-Uda antenna |
| D. | Lens antenna |
| Answer» B. Horn antenna | |
| 32. |
What is the problem associated with historical DNA samples? |
| A. | They are less in amount thus amplification is difficult |
| B. | Because the samples are very old, there can be contamination |
| C. | They degrade during repeated cooling and heating cycles |
| D. | As the samples are old, the standard sequences for comparison is not present |
| Answer» C. They degrade during repeated cooling and heating cycles | |
| 33. |
PCR amplification can be used for which type of samples? |
| A. | Old samples only |
| B. | Recent samples only |
| C. | Equally to both recent and old samples |
| D. | Recent samples are preferred but can be applied to old samples also |
| Answer» D. Recent samples are preferred but can be applied to old samples also | |
| 34. |
PCR is useful in population genetics because at times it can be used to study genetics of bacteria that can’t be cultured axenically. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 35. |
The genetic relatedness between organisms can be identified by studying the band patterns when different PCR products are analysed electrophoreically. This method is called as ____________ |
| A. | restriction fragment length polymorphism (RFLP) |
| B. | amplified fragment length polymorphism (AFLP) |
| C. | random amplification of polymorphic DNA (RAPD) |
| D. | polymorphism |
| Answer» D. polymorphism | |
| 36. |
Which of the statements don’t hold true for the forensics and the amplification carried out? |
| A. | In the case of forensics, conventional methods such as southern blotting are used very effectively |
| B. | In cases of bone fragments which contain less than 300 nucleotides conventional methods can’t be applied as they involve southern blotting, restriction digestion etc |
| C. | The poor condition of DNA also makes the PCR amplification difficult |
| D. | Microsatellites composed of simply varying repeats of CA sequences are used |
| Answer» B. In cases of bone fragments which contain less than 300 nucleotides conventional methods can’t be applied as they involve southern blotting, restriction digestion etc | |
| 37. |
Sickle cell anaemia is a genetic disorder. Which of the following doesn’t holds true for it? |
| A. | It can be analysed by PCR |
| B. | It destroys a restriction site |
| C. | The mutation is in alpha globulin gene |
| D. | The conventional approach took weeks for the whole analyses to be carried out |
| Answer» D. The conventional approach took weeks for the whole analyses to be carried out | |
| 38. |
Cycle sequencing is the DNA sequencing where very less amounts of template are utilised for carrying out the sequencing. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 39. |
WHAT_IS_PROBLEM_ASSOCIATED_WITH_HISTORICAL_DNA_SAMPLES??$ |
| A. | They are less in amount thus amplification is difficult |
| B. | Because the samples are very old, there can be contamination |
| C. | They degrade during repeated cooling and heating cycles |
| D. | As the samples are old, the standard sequences for comparison is not present |
| Answer» C. They degrade during repeated cooling and heating cycles | |
| 40. |
PCR_AMPLIFICATION_CAN_BE_USED_FOR_WHICH_TYPE_OF_SAMPLES??$ |
| A. | Old samples only |
| B. | Recent samples only |
| C. | Equally to both recent and old samples |
| D. | Recent samples are preferred but can be applied to old samples also |
| Answer» D. Recent samples are preferred but can be applied to old samples also | |
| 41. |
PCR is useful in population genetics because at times it can be used to study genetics of bacteria that can’t be cultured axenically. Is the statement true or false?# |
| A. | True |
| B. | False |
| Answer» B. False | |
| 42. |
The genetic relatedness between organisms can be identified by studying the band patterns when different PCR products are analysed electrophoreically. This method is called as: |
| A. | restriction fragment length polymorphism (RFLP) |
| B. | amplified fragment length polymorphism (AFLP) |
| C. | random amplification of polymorphic DNA (RAPD) |
| D. | polymorphism |
| Answer» D. polymorphism | |
| 43. |
Which of the statements don’t hold true for the forensics and the amplification carried out?$ |
| A. | In the case of forensics, conventional methods such as southern blotting are used very effectively |
| B. | In cases of bone fragments which contain less than 300 nucleotides conventional methods can’t be applied as they involve southern blotting, restriction digestion etc. |
| C. | The poor condition of DNA also makes the PCR amplification difficult |
| D. | Microsatellites composed of simply varying repeats of CA sequences is used |
| Answer» B. In cases of bone fragments which contain less than 300 nucleotides conventional methods can‚Äö√Ñ√∂‚àö√ë‚àö¬•t be applied as they involve southern blotting, restriction digestion etc. | |
| 44. |
PCR products can be analysed in many ways. Which of the following is not possible? |
| A. | Use of restriction enzymes |
| B. | Determining whether a particular oliginucleotide probe hybridizes to a PCR product |
| C. | Electrophoresis |
| D. | Direct sequencing can’t be carried out |
| Answer» E. | |
| 45. |
Sickle cell anaemia is a genetic disorder. Which of the following doesn’t holds true for it?$ |
| A. | It can be analysed by PCR |
| B. | It destroys a restriction site |
| C. | The mutation is in alpha globulin gene |
| D. | The conventional approach took weeks for the whole analyses to be carried out |
| Answer» D. The conventional approach took weeks for the whole analyses to be carried out | |
| 46. |
Cycle sequencing is the DNA sequencing where very less amounts of template is utilised for carrying out the sequencing. The given statement is true or false? |
| A. | True |
| B. | False |
| Answer» B. False | |
| 47. |
What is the correct statement with respect to ddNTPs? |
| A. | They are dideoxynucleotide triphosphates |
| B. | They are used in termination of DNA sequencing |
| C. | They are used for initiating DNA sequencing |
| D. | They are used in the case if the starting amounts are large |
| Answer» C. They are used for initiating DNA sequencing | |
| 48. |
Which of the following is useful in applications of PCR? |
| A. | It is manual |
| B. | Only one sample’s analysis can be carried out at a time |
| C. | It is having a high speed |
| D. | The amount of DNA required initially is high |
| Answer» D. The amount of DNA required initially is high | |