MCQOPTIONS
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MCQOPTIONS
This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Clouds in the atmosphere is an example of |
| A. | Condensation |
| B. | Precipitation |
| C. | osmosis |
| D. | transpiration |
| Answer» B. Precipitation | |
| 2. |
What is the percentage of groundwater on earth? |
| A. | 25% |
| B. | 20% |
| C. | 35% |
| D. | 40% |
| Answer» B. 20% | |
| 3. |
Name the categories into water is sub categorized? |
| A. | Domestic |
| B. | Industrial |
| C. | Agricultural |
| D. | All of these |
| Answer» E. | |
| 4. |
The point where the underground water re-emerge on the surface is known as |
| A. | Lakes |
| B. | Springs |
| C. | Aquifers |
| D. | Water Table |
| Answer» C. Aquifers | |
| 5. |
What are the natural surface for fresh water to store? |
| A. | Mountains |
| B. | Rivers |
| C. | Reservoir |
| D. | Underground water |
| Answer» B. Rivers | |
| 6. |
Which continent has the highest use of agricultural water? |
| A. | Africa |
| B. | America |
| C. | Europe |
| D. | Asia |
| Answer» B. America | |
| 7. |
Which of the following is a better test to identify Coliforms? |
| A. | Coliform index |
| B. | Multiple tube fermentation |
| C. | MPN test |
| D. | Membrane filter technique |
| Answer» E. | |
| 8. |
Which bacteria cause the reddish brown deposits in the tank? |
| A. | Escherichia coli bacteria |
| B. | Bacterium coli bacteria |
| C. | Iron bacteria |
| D. | Sulphur bacteria |
| Answer» D. Sulphur bacteria | |
| 9. |
The number of bacterial colonies by Agar plate count test should not exceed ____ per ml for potable water. |
| A. | 1 |
| B. | 10 |
| C. | 100 |
| D. | 1000 |
| Answer» D. 1000 | |
| 10. |
If the acid and gas are formed in the multiple tube fermentation technique, the test is _____ |
| A. | Positive |
| B. | Continued |
| C. | Negative |
| D. | Discarded |
| Answer» B. Continued | |
| 11. |
What are mostly formed at the bottom of steep sided valleys? |
| A. | Towns |
| B. | Mountain |
| C. | Lakes |
| D. | rivers |
| Answer» D. rivers | |
| 12. |
When the rain water flows over the ground surface resulting in streams and rivers is called |
| A. | run-off |
| B. | flooding |
| C. | tsunami |
| D. | Drainage |
| Answer» B. flooding | |
| 13. |
How many times the consumption of water has increased in 20th century? |
| A. | 8 times |
| B. | 3times |
| C. | 7times |
| D. | 4 times |
| Answer» D. 4 times | |
| 14. |
Why the demand of water has increased in present time? |
| A. | Increase population |
| B. | Increase irrigation system |
| C. | Demostic uses |
| D. | All of these |
| Answer» E. | |
| 15. |
In 2008 china produced how much tones of oil? |
| A. | 1415 million tones |
| B. | 1000 million tones |
| C. | 1500 million tones |
| D. | 1600 million tones |
| Answer» B. 1000 million tones | |
| 16. |
Which continent is the dry continent? |
| A. | Asia |
| B. | America |
| C. | Africa |
| D. | Europe |
| Answer» D. Europe | |
| 17. |
Which of the following statement is/are correct regarding coliform bacteria?i. It is gram negativeii. It is rod shaped bacteriaiii. It is a harmless aerobic microorganism |
| A. | i, ii, iii |
| B. | ii, iii |
| C. | i, iii |
| D. | i, ii |
| Answer» B. ii, iii | |
| 18. |
What is the main resource of water on earth for living organisms? |
| A. | oceans |
| B. | sea water |
| C. | Fresh water |
| D. | All of these |
| Answer» D. All of these | |
| 19. |
The nuclear energy produced from the process of fission is used for the production of |
| A. | Factories |
| B. | Electricity |
| C. | Equipments |
| D. | Industries |
| Answer» C. Equipments | |
| 20. |
________ represents the bacterial density that is most likely to be present in water. |
| A. | BOD |
| B. | COD |
| C. | MPN |
| D. | Coliform index |
| Answer» D. Coliform index | |
| 21. |
Which bacteria results in the corrosion of iron and steel pipes embedded in soil? |
| A. | Escherichia coli bacteria |
| B. | Bacterium coli bacteria |
| C. | Iron bacteria |
| D. | Sulphur bacteria |
| Answer» E. | |
| 22. |
The level below which the ground is saturated is known as |
| A. | Aquifer |
| B. | Lakes |
| C. | Water table |
| D. | Reservoir |
| Answer» D. Reservoir | |
| 23. |
The balharzia snail larvae grows and multiples |
| A. | Inside the snail |
| B. | In the water |
| C. | On the land |
| D. | All of these |
| Answer» B. In the water | |
| 24. |
Which glacial is located in the south Chile? |
| A. | Himalayas |
| B. | Andes |
| C. | Hindukush |
| D. | K2 |
| Answer» C. Hindukush | |
| 25. |
United Nations has divided the use of water into how many categories? |
| A. | 4 |
| B. | 3 |
| C. | 2 |
| D. | 5 |
| Answer» C. 2 | |
| 26. |
The shaft, sometimes lined with stone, sink into the ground for water is referred to as |
| A. | Water Table |
| B. | Springs |
| C. | Reservoir |
| D. | Well |
| Answer» E. | |
| 27. |
What is domestic sector of water? |
| A. | Use in House |
| B. | In industry |
| C. | Agricultural |
| D. | Factories |
| Answer» B. In industry | |
| 28. |
The water stored underground is called |
| A. | Aquifer |
| B. | Permeable |
| C. | Reservoir |
| D. | Underground water |
| Answer» B. Permeable | |
| 29. |
The water disease carried by organism is known as |
| A. | Water based |
| B. | Water borne |
| C. | Water disease |
| D. | All of these |
| Answer» B. Water borne | |
| 30. |
In summer the ice melts and releases |
| A. | Fresh water |
| B. | sea water |
| C. | Ocean Water |
| D. | Lake Water |
| Answer» B. sea water | |
| 31. |
Gelatin liquefying bacteria are helpful in the manufacturing of photographic films. |
| A. | True |
| B. | False |
| C. | May be True or False |
| D. | Can't say |
| Answer» B. False | |
| 32. |
Which continent has the highest use of demostic water? |
| A. | Australasia |
| B. | Asia |
| C. | Africa |
| D. | South America |
| Answer» B. Asia | |
| 33. |
Lakes are formed by the |
| A. | Mountains |
| B. | Rivers |
| C. | Springs |
| D. | Glacial |
| Answer» E. | |
| 34. |
Which type of bacteria has a rod shaped structure? |
| A. | Bacilli |
| B. | Cocci |
| C. | Spirilla |
| D. | Vibrio |
| Answer» B. Cocci | |
| 35. |
What is the temperature at which MPN test is performed? |
| A. | 35°C |
| B. | 37 °C |
| C. | 40°C |
| D. | 45 °C |
| Answer» C. 40°C | |
| 36. |
Which of the following is the disease caused by bacterial infections? |
| A. | Amoebic dysentery |
| B. | Infectious hepatitis |
| C. | Typhoid fever |
| D. | Poliomyelitis |
| Answer» D. Poliomyelitis | |
| 37. |
Why America and Europe has the higher percentage of water use? |
| A. | Due to more industries |
| B. | Due to more organization |
| C. | Companies |
| D. | Homes |
| Answer» B. Due to more organization | |
| 38. |
What is industrial sector of water? |
| A. | Houses |
| B. | Factories and Power |
| C. | industry |
| D. | Agricultural |
| Answer» C. industry | |
| 39. |
The rock that does not allow water to pass through is known as |
| A. | Permeability |
| B. | Impermeable rock |
| C. | Semi permeable |
| D. | Aquifer |
| Answer» C. Semi permeable | |
| 40. |
In 2000, how many dams where there in the world? |
| A. | 45000 |
| B. | 46000 |
| C. | 55 |
| D. | None of the above |
| Answer» B. 46000 | |
| 41. |
What percentage of fresh water available in the atmosphere? |
| A. | 0.03% |
| B. | 0.30% |
| C. | 0.04% |
| D. | 0.01% |
| Answer» D. 0.01% | |
| 42. |
In which countries farming is still the main activity of growing food? |
| A. | Africa |
| B. | Asia |
| C. | Both a and b |
| D. | Europe |
| Answer» D. Europe | |
| 43. |
What is the percentage of domestic use of water in North America? |
| A. | 12% |
| B. | 13% |
| C. | 15% |
| D. | 16% |
| Answer» D. 16% | |
| 44. |
The process in which rain water seeps through the ground downwards is known as |
| A. | Down-filtration |
| B. | interception |
| C. | upfilteration |
| D. | infiltration |
| Answer» E. | |
| 45. |
What percent of freshwater consist of rivers on earth? |
| A. | 0.04% |
| B. | 0.01% |
| C. | 0.03% |
| D. | 0.01% |
| Answer» D. 0.01% | |
| 46. |
What is the expression used for population forecasting by the arithmetical increase method? |
| A. | PO (1 + R/100)ⁿ |
| B. | PO + n*x |
| C. | PO + n*x + ( n(n+1)/2 )*y |
| D. | PO – n*x |
| Answer» C. PO + n*x + ( n(n+1)/2 )*y | |
| 47. |
In which method of population forecast, percentage increase in population from decade to decade is assumed constant? |
| A. | Arithmetical increase method |
| B. | Geometrical increase method |
| C. | Incremental increase method |
| D. | Decreased rate of growth method |
| Answer» C. Incremental increase method | |
| 48. |
In which method of population forecasting, increase in population from decade to decade is assumed constant? |
| A. | Arithmetical increase method |
| B. | Geometrical increase method |
| C. | Incremental increase method |
| D. | Decreased rate of growth method |
| Answer» B. Geometrical increase method | |
| 49. |
In which of the following units, design period is maximized? |
| A. | Distribution system |
| B. | Demand reservoir |
| C. | Water treatment unit |
| D. | Pipe mains |
| Answer» C. Water treatment unit | |
| 50. |
What is the design discharge for intake structures? |
| A. | Maximum daily demand |
| B. | Maximum hourly demand |
| C. | Maximum weekly demand |
| D. | Average daily demand |
| Answer» B. Maximum hourly demand | |