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. |
Pick out the potent green house gas |
| A. | O2 |
| B. | 2O |
| C. | H4 |
| D. | 3 |
| Answer» D. 3 | |
| 2. |
The temperature scale that sets freezing of pure water at 32o F: |
| A. | elvin |
| B. | ahrenheit |
| C. | elsius |
| D. | ritish |
| Answer» C. elsius | |
| 3. |
The main energy source for the environment is ________ |
| A. | olar energy |
| B. | hemical energy |
| C. | ioelectric energy |
| D. | lectrical energy |
| Answer» B. hemical energy | |
| 4. |
Snow leopard is found in which National Park? |
| A. | aziranga |
| B. | he Great Himalayan |
| C. | haratpur |
| D. | agarhole |
| Answer» C. haratpur | |
| 5. |
The controversial dam across the river Narmada? |
| A. | ardar Sarovar |
| B. | irakud |
| C. | hakranangal |
| D. | utlej. |
| Answer» B. irakud | |
| 6. |
Carbon dioxide is a naturally-occurring component of the atmosphere. |
| A. | rue |
| B. | alse |
| Answer» B. alse | |
| 7. |
Suppose two unsaturated air masses mix horizontally. The resulting mixture cannot possibly be saturated. |
| A. | rue |
| B. | alse |
| Answer» C. | |
| 8. |
Fog is a major hazard to aviation. |
| A. | rue |
| B. | alse |
| Answer» B. alse | |
| 9. |
Heat waves are generally considered to be little more than a nuisance and are not responsible for considerable loss of life. |
| A. | rue |
| B. | alse |
| Answer» C. | |
| 10. |
The horizontal extent of the ozone hole can sometimes exceed the size of the Antarctic continent. |
| A. | rue |
| B. | alse |
| Answer» B. alse | |
| 11. |
Stratus clouds are typically puffy and form by convection. |
| A. | rue |
| B. | alse |
| Answer» C. | |
| 12. |
The relative humidity is often near 100 percent in the Polar Regions. |
| A. | rue |
| B. | alse |
| Answer» B. alse | |
| 13. |
To protect fruit trees from frost, it is important to keep the air as still as possible. |
| A. | rue |
| B. | alse |
| Answer» C. | |
| 14. |
The dew point temperature is a measure of the total amount of water vapor in the air. |
| A. | rue |
| B. | alse |
| Answer» B. alse | |
| 15. |
In the northern hemisphere, north-facing hillsides have a ____ growing season than south-facing hillsides. |
| A. | horter |
| B. | onger |
| Answer» B. onger | |
| 16. |
The geographical pattern of average air temperature near sea level is ____ homogeneous in the southern hemisphere as compared to the northern hemisphere. |
| A. | ess |
| B. | ore |
| Answer» C. | |
| 17. |
In the figure below, energy is being transported ____. |
| A. | pward |
| B. | ownward |
| Answer» B. ownward | |
| 18. |
All oil traps contain |
| A. | n impermeable layer |
| B. | n anticline |
| C. | fault |
| D. | yncline |
| Answer» B. n anticline | |
| 19. |
What is meant by root zone process? |
| A. | control measure to prevent water pollution |
| B. | process by which roots of plants are spread on the ground |
| C. | control measure to prevent soil pollution |
| D. | one of these |
| Answer» D. one of these | |
| 20. |
Where cold surface air replaces warm air, the boundary separating the different bodies of air is: |
| A. | parallel of latitude |
| B. | tornado |
| C. | cold front |
| D. | warm front |
| Answer» D. warm front | |
| 21. |
Which of the following statements regarding species interdependence are true?A. An association of two species where one is benefitted and other remains unaffected called mutualismB. An interspecific association where both partners derive benefit from each other is called commensalismC. A direct food relation between two species of animals in which one animals kills and feed on another is referred as predationD. A relationship between two species of organism where both the partners are benefitted from each other is called symbiosis |
| A. | and B only |
| B. | and D only |
| C. | and C only |
| D. | and C only |
| E. | and D only |
| Answer» C. and C only | |
| 22. |
If water vapour comprises 3.5 percent of an air parcel whose total pressure is 1,000 mb, the water vapour pressure would be: |
| A. | ,035 mb |
| B. | 5 mb |
| C. | 50 mb |
| D. | 65 mb |
| Answer» C. 50 mb | |
| 23. |
Commonly used radioactive isotopes in scientific research |
| A. | 4 C |
| B. | 25 I |
| C. | 2 P |
| D. | ll of these |
| Answer» E. | |
| 24. |
Mobile combustion accounts |
| A. | 0-20% of air pollution |
| B. | 0-50% of air pollution |
| C. | 0-60 % of air pollution |
| D. | -10 % of air pollution |
| Answer» D. -10 % of air pollution | |
| 25. |
Much of Tibet lies at altitudes over 18,000 feet where the pressure is about 500 mb. At such altitudes, the Tibetans are above roughly: |
| A. | 0% of the air molecules in the atmosphere |
| B. | 5% of the air molecules in the atmosphere |
| C. | 0% of the air molecules in the atmosphere |
| D. | 5% of the air molecules in the atmosphere |
| Answer» D. 5% of the air molecules in the atmosphere | |
| 26. |
In which year was "Project Tiger" launched? |
| A. | 973 |
| B. | 964 |
| C. | 998 |
| D. | 970 |
| Answer» B. 964 | |
| 27. |
In which year Silent Valley was declared as National Park? |
| A. | 988 |
| B. | 982 |
| C. | 984 |
| D. | 981 |
| Answer» D. 981 | |
| 28. |
The first global environmental protection treaty "The Montreal Protocol" was signed on September 26 in |
| A. | 985 |
| B. | 990 |
| C. | 981 |
| D. | 987 |
| Answer» E. | |
| 29. |
Ganga Action Plan in India was launched in the year _________ |
| A. | 988 |
| B. | 986 |
| C. | 980 |
| D. | 978 |
| Answer» C. 980 | |
| 30. |
The deadliest Tsunami in recorded history took place on |
| A. | 6-Dec-2004 |
| B. | 6-Dec-2000 |
| C. | 5-Nov-1990 |
| D. | 5-Dec-1999 |
| Answer» B. 6-Dec-2000 | |
| 31. |
Thickness of plastic cover permissible to use |
| A. | 0 Microns |
| B. | 0 Microns |
| C. | 00 Microns |
| D. | 0 Microns |
| Answer» D. 0 Microns | |
| 32. |
The sun emits a maximum amount of radiation at wavelengths near ____, while the earth emits maximum radiation near wavelengths of ____. |
| A. | .5 micrometers, 30 micrometers |
| B. | .5 micrometers, 10 micrometers |
| C. | 0 micrometers, 30 micrometers |
| D. | micrometer, 10 micrometers |
| Answer» C. 0 micrometers, 30 micrometers | |
| 33. |
The total mass of water vapour stored in the atmosphere at any moment is about ____ of the world's supply of precipitation. |
| A. | day |
| B. | week |
| C. | month |
| D. | year |
| Answer» C. month | |
| 34. |
If all the water vapour in the atmosphere were to condense and fall to the ground, the globe would be covered with about ______ of water. |
| A. | millimeter |
| B. | inch |
| C. | foot |
| D. | meter |
| Answer» C. foot | |
| 35. |
Ultraviolet radiation which is not lethal but harm to the organism is |
| A. | .1 to 0.28 |
| B. | .28-0.32 |
| C. | .32-0.4 |
| D. | .4-0.5 |
| Answer» C. .32-0.4 | |
| 36. |
The water management act is complemented by the waste water charges act at |
| A. | 4641 |
| B. | 4631 |
| C. | 5277 |
| D. | 6059 |
| Answer» B. 4631 | |
| 37. |
The source of atmospheric oxygen is |
| A. | itrogen cycle |
| B. | reen Plants |
| C. | ater |
| D. | arbon Cycle |
| Answer» C. ater | |
| 38. |
_________ is a mixture of 50 - 90% of methane |
| A. | atural gas |
| B. | ir |
| C. | ater |
| D. | io diesel |
| Answer» B. ir | |
| 39. |
The term "Biocoenosis" was proposed by |
| A. | ransley |
| B. | arl Mobius |
| C. | arming |
| D. | one of the above |
| Answer» C. arming | |
| 40. |
Thermal belts are: |
| A. | ockets of warm air resting on a valley during the afternoon |
| B. | ockets of cold air resting on a valley floor at night |
| C. | armer hillsides that are less likely to experience freezing conditions |
| D. | old, below-freezing air found at the top of a mountain |
| Answer» D. old, below-freezing air found at the top of a mountain | |
| 41. |
India is primary centre of domestication of |
| A. | heep |
| B. | oat |
| C. | ater Buffalo |
| D. | lephants |
| Answer» D. lephants | |
| 42. |
Which of the following type of pollution can cause the outbreak of jaundice |
| A. | ir |
| B. | hermal |
| C. | ater |
| D. | and |
| Answer» D. and | |
| 43. |
Some species of plants and animals are extremely rare and may occur only at a few locations are called |
| A. | ndemic |
| B. | ndangered |
| C. | ulnerable |
| D. | hreatened |
| Answer» C. ulnerable | |
| 44. |
Slip erosion is also known as |
| A. | andslide |
| B. | arthquake |
| C. | olcano |
| D. | loads |
| Answer» B. arthquake | |
| 45. |
The most harmful of ultraviolet radiation is |
| A. | V-C, |
| B. | V-B, |
| C. | V-A, |
| D. | ll the above. |
| Answer» B. V-B, | |
| 46. |
Minute particles and liquid droplets are collectively called |
| A. | onvection current |
| B. | zone |
| C. | V radiation |
| D. | erosols |
| Answer» E. | |
| 47. |
Coral reefs in India can be seen in |
| A. | imalayan region |
| B. | ndaman and Nicobar Islands |
| C. | ttarpradesh |
| D. | aharashtra |
| Answer» C. ttarpradesh | |
| 48. |
Which of the following enhances soil fertility? |
| A. | rop rotation |
| B. | mproved methods of agriculture |
| C. | sing new seed varieties |
| D. | rrigation |
| Answer» B. mproved methods of agriculture | |
| 49. |
Carbon dioxide is called greenhouse gas because it is |
| A. | ransparent to sunlight but traps heat |
| B. | ransparent to heat but traps sunlight |
| C. | sed in green-house to increase plant growth |
| D. | ransparent to both sunlight and heat |
| Answer» B. ransparent to heat but traps sunlight | |
| 50. |
What is the most important factor for the success of animal population? |
| A. | atality |
| B. | daptability |
| C. | nlimited food |
| D. | nter species activity |
| Answer» C. nlimited food | |