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. |
Air pressure is usually highest when the wind is - |
| A. | cold and dry |
| B. | cold and damp |
| C. | hot and dry |
| D. | hot and humid |
| Answer» B. cold and damp | |
| 2. |
What is the atmospheric layer farthest from the earth's surface called? |
| A. | middle circle |
| B. | stratosphere |
| C. | exosphere |
| D. | ionosphere |
| Answer» D. ionosphere | |
| 3. |
Airplanes are often . . . . . . . . . . . . . I fly in |
| A. | troposphere |
| B. | stratosphere |
| C. | middle circle |
| D. | outer circle |
| Answer» C. middle circle | |
| 4. |
What is the average air pressure at sea level? |
| A. | 1003. 25 millibar |
| B. | 1013. 25 millibar |
| C. | 1023. 25 millibar |
| D. | 1034. 25 millibar |
| Answer» C. 1023. 25 millibar | |
| 5. |
By what name is the atmospheric layer that is farthest from the earth's surface known? |
| A. | ionosphere |
| B. | exosphere |
| C. | stratosphere |
| D. | troposphere |
| Answer» C. stratosphere | |
| 6. |
Which is the layer of the atmosphere which reflects the radio waves? |
| A. | ionosphere |
| B. | troposphere |
| C. | stratosphere |
| D. | outer circle |
| Answer» B. troposphere | |
| 7. |
Which of the following chemicals is the cause of depletion of ozone level of the atmosphere? |
| A. | sulphur dioxide |
| B. | nitrous oxide |
| C. | Carbon dioxide , |
| D. | chloro-fluorocarbons |
| Answer» E. | |
| 8. |
The stratosphere is considered ideal for jet planes to fly because - |
| A. | Due to the presence of ozone in this layer, fuel consumption is reduced. |
| B. | The temperature remains even in this layer, which is a favorable condition for fuel efficiency. |
| C. | This layer is beyond the firepower of anti-aircraft weapons. |
| D. | Clouds and other weather phenomena do not occur in this layer. |
| Answer» E. | |
| 9. |
Due to the depletion of the ozone layer at the rate of 7 percent per annum, 10 million sq. A large hole has been made. This hole is located at - |
| A. | over the arctic |
| B. | over antarctica |
| C. | over the poles |
| D. | over America and Europe |
| Answer» C. over the poles | |
| 10. |
Which of the following atmospheric layer absorbs the sun's ultraviolet rays? |
| A. | Troposphere |
| B. | stratosphere |
| C. | ionosphere |
| D. | ozonosphere |
| Answer» E. | |
| 11. |
Which of the following statements regarding the stratosphere is false? |
| A. | The extent of the stratosphere is 50 km. height is found. |
| B. | The boundary of the stratosphere meets the ionosphere |
| C. | The absence of clouds is found in this circle. |
| D. | The amount of dust particles and water vapor in this circle is very less. |
| Answer» C. The absence of clouds is found in this circle. | |
| 12. |
Where is the ozone layer mainly found? |
| A. | Troposphere |
| B. | middle circle |
| C. | stratosphere |
| D. | outer circle |
| Answer» D. outer circle | |
| 13. |
Which type of temperature of the atmosphere does not fluctuate much - |
| A. | stratosphere |
| B. | troposphere |
| C. | outer circle |
| D. | thermal zone |
| Answer» B. troposphere | |
| 14. |
The troposphere is the lower level of the atmosphere whose height is at the equator. |
| A. | up to 10 miles |
| B. | up to 9 miles |
| C. | up to 6 miles |
| D. | up to 4 miles |
| Answer» B. up to 9 miles | |
| 15. |
What is the transition zone between the troposphere and the stratosphere called? |
| A. | isotherm |
| B. | perturbation limit |
| C. | mid range |
| D. | outer limit |
| Answer» C. mid range | |
| 16. |
Temperature in change zone or troposphere - |
| A. | decreases with height. |
| B. | increases with height. |
| C. | remains unchanged. |
| D. | First it decreases and then it increases. |
| Answer» B. increases with height. | |
| 17. |
The stratosphere is |
| A. | intermediate region of the atmosphere |
| B. | upper part of the atmosphere |
| C. | lower part of the atmosphere |
| D. | area over the disturbance |
| Answer» E. | |
| 18. |
The hottest layer of temperature in the troposphere is because - |
| A. | it is closest to the sun |
| B. | it has charged particles |
| C. | it is heated by the surface of the earth |
| D. | It generates heat. |
| Answer» D. It generates heat. | |
| 19. |
The maximum height above the surface of the troposphere is - |
| A. | 6 km. |
| B. | 8 km. |
| C. | 12 km. |
| D. | 18 km. |
| Answer» E. | |
| 20. |
What is the main half of dividing the atmosphere into layers like troposphere, stratosphere etc. |
| A. | Temperature |
| B. | Air pressure |
| C. | Organization |
| D. | density |
| Answer» B. Air pressure | |
| 21. |
In which season does the height of the troposphere increase? |
| A. | winter season |
| B. | summer season |
| C. | Rainy Season |
| D. | none of these |
| Answer» C. Rainy Season | |
| 22. |
The percentage of nitrogen in the atmosphere is - |
| A. | 21 percent |
| B. | 70 percent |
| C. | 71 percent |
| D. | 78 percent |
| Answer» E. | |
| 23. |
What is the average height above the surface of the troposphere - |
| A. | 8 km. |
| B. | 14 km. |
| C. | 18 km. |
| D. | 22 km. |
| Answer» C. 18 km. | |
| 24. |
The correct sequence of the different levels of the atmosphere towards the surface of the earth is - |
| A. | troposphere, stratosphere, ionosphere, mesosphere |
| B. | stratosphere, troposphere, ionosphere, mesosphere |
| C. | troposphere, stratosphere, mesosphere, ionosphere |
| D. | stratosphere, troposphere, mesosphere, ionosphere |
| Answer» D. stratosphere, troposphere, mesosphere, ionosphere | |
| 25. |
Which of the following circles is also called convection zone? |
| A. | troposphere |
| B. | stratosphere |
| C. | ionosphere |
| D. | middle circle |
| Answer» B. stratosphere | |
| 26. |
The process of increasing the temperature of the earth's atmosphere by absorption of infrared radiation reflected from the earth's surface is called |
| A. | tsunami |
| B. | solar heating |
| C. | Green House Effect |
| D. | Seismic effects |
| Answer» D. Seismic effects | |
| 27. |
The atmosphere is mainly heated by - |
| A. | from the direct rays of the sun |
| B. | by radiation from earth |
| C. | heat from inside the earth |
| D. | by friction of the motion of the earth |
| Answer» C. heat from inside the earth | |
| 28. |
What percentage of the Earth's atmosphere is 29 km. is found up to a height of - |
| A. | 29 percent |
| B. | 57 percent |
| C. | 76 percent |
| D. | 97 percent |
| Answer» E. | |
| 29. |
Which is the most abundant inert gas present in the atmosphere? |
| A. | organ |
| B. | krypton |
| C. | helium |
| D. | neon |
| Answer» B. krypton | |
| 30. |
Which is the highest mountain? |
| A. | Mount everest |
| B. | kangchenjunga |
| C. | Lahons |
| D. | Macaulay |
| Answer» B. kangchenjunga | |
| 31. |
What are those natural gaps of mountains called, which become routes? |
| A. | peak |
| B. | dune |
| C. | Plateau |
| D. | pass |
| Answer» E. | |
| 32. |
By which action the Sampradaya Maidan is formed? |
| A. | snow |
| B. | air |
| C. | River |
| D. | crust |
| Answer» D. crust | |
| 33. |
Which one of the following mountains is located in Germany? |
| A. | black forest |
| B. | Atlas |
| C. | Pyrenees |
| D. | apennine |
| Answer» B. Atlas | |
| 34. |
The pediplane plain is formed by which action? |
| A. | snow |
| B. | air |
| C. | River |
| D. | crust |
| Answer» C. River | |
| 35. |
Remains of resistant rocks found everywhere in river unprotected plains or Sampray plains are called - |
| A. | monednock |
| B. | inselberg |
| C. | Humus |
| D. | none of these |
| Answer» B. inselberg | |
| 36. |
In which of the following countries are the plains of Loyes not found? |
| A. | New Zealand |
| B. | Ukraine |
| C. | Argentina |
| D. | Cambodia |
| Answer» E. | |
| 37. |
What are the residual dunes located everywhere in the crust plains called? |
| A. | monednock |
| B. | inselberg |
| C. | Humus |
| D. | none of these |
| Answer» D. none of these | |
| 38. |
What are the remains of resistant rocks found in wind-eroded plains called mounds? |
| A. | monednock |
| B. | inselberg |
| C. | Humus |
| D. | none of these |
| Answer» C. Humus | |
| 39. |
About what percentage of the crops and food items produced in the world are grown in the plains - |
| A. | 65 percent |
| B. | 70 percent |
| C. | 85 percent |
| D. | 95 percent |
| Answer» D. 95 percent | |
| 40. |
In which category of land forms the field is calculated? |
| A. | First class |
| B. | second class |
| C. | third class |
| D. | none of these |
| Answer» C. third class | |
| 41. |
What type of deposit is the Loyas Plain of Northwest China made up of? |
| A. | by lava deposits |
| B. | sand and dust deposits |
| C. | trembling from the accumulation of soil |
| D. | none of these |
| Answer» C. trembling from the accumulation of soil | |
| 42. |
Which one of the following sites is known as the 'cradle of civilization'? |
| A. | Mountains |
| B. | the mountain |
| C. | Plateau |
| D. | field |
| Answer» E. | |
| 43. |
On what percentage of the total area of the lithosphere is the extension of the plain found? |
| A. | 26 percent |
| B. | 33 percent |
| C. | 41 percent |
| D. | 51 percent |
| Answer» D. 51 percent | |
| 44. |
Which of the following metals is the most excavated on the Bolivian plateau? |
| A. | Coal |
| B. | lignite |
| C. | tin |
| D. | bituminous |
| Answer» D. bituminous | |
| 45. |
Which of the following is the Pat plateau of Ranchi? |
| A. | a pediplane |
| B. | a raised pennyplane |
| C. | a structural field |
| D. | mountain plateau |
| Answer» C. a structural field | |
| 46. |
Where is the Tibetan Plateau situated? |
| A. | Between Thienshan and Karakoram |
| B. | Between Tianshan and Altai Tang |
| C. | Between the Himalaya Mountains and the Karakoram |
| D. | Between the Himalaya Mountains and Kunlun |
| Answer» E. | |
| 47. |
Between which mountain ranges is the plateau of Anatolia located in Turkey? |
| A. | Pontic and Taurus |
| B. | Elburj and Jagras |
| C. | Caucasus and Elburj |
| D. | Caucasus and Carpacians |
| Answer» B. Elburj and Jagras | |
| 48. |
Which of the following is called 'Roof of the World'? |
| A. | karakoram |
| B. | Quinlon |
| C. | tianshan |
| D. | pamir |
| Answer» E. | |
| 49. |
Loyas plateau is located in - |
| A. | in malaya |
| B. | in Thailand |
| C. | in china |
| D. | in korea |
| Answer» D. in korea | |
| 50. |
Where is the Telegraphic Plateau located? |
| A. | North Pacific Ocean |
| B. | Southern Pacific Ocean |
| C. | North Atlantic Ocean |
| D. | Southern Indian Ocean |
| Answer» D. Southern Indian Ocean | |