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. |
What is the name of the layer above Earth' surface which is located at the height of 8km from poles and 16km from the equator? |
| A. | Mesosphere |
| B. | Atmosphere |
| C. | Troposphere |
| D. | Stratosphere |
| Answer» D. Stratosphere | |
| 2. |
The radiation that heats earth's atmosphere comes from the |
| A. | Sun |
| B. | Earth |
| C. | Ionosphere |
| D. | Sun and earth |
| Answer» C. Ionosphere | |
| 3. |
Which of the following is/are correct in matching the layer of atmosphere and its characteristic ?I. Troposphere : weather phenomenaII. Stratosphere : ozone layerIII. Ionosphere : radio waves reflected to earth's surfaceIV. Mesosphere : Aurorae |
| A. | I, II, III and IV |
| B. | I, II and IV |
| C. | II and III |
| D. | I, II and III |
| Answer» E. | |
| 4. |
Which of the following sequences of clouds in ascending order would one meet 500 metres and above the mean sea level? |
| A. | Stratus, Nimbus, Cirrostratus, Cirrus |
| B. | Nimbus, Cirrostratus, Cirrocumulus, Stratus |
| C. | Cirrostratus, Stratus, Cumulo-nimbus |
| D. | Stratus, Cirrostratus, Cumulo-numbus, Cirrocumulus |
| Answer» B. Nimbus, Cirrostratus, Cirrocumulus, Stratus | |
| 5. |
What do you understand by the term 'Advection' ? |
| A. | Heat is transferred horizontally by winds |
| B. | Heat is transferred horizontally by both winds and ocean currents |
| C. | Heat is transferred vertically through the air |
| D. | Heat is transferred horizontally through ocean currents |
| Answer» C. Heat is transferred vertically through the air | |
| 6. |
The tropical cyclones-Hurricanes and Typhoons-develop and mature ________ |
| A. | At the same place |
| B. | Over the land masses only |
| C. | Over the water bodies only |
| D. | Anywhere in the tropical zone |
| Answer» E. | |
| 7. |
The plane of contact of the troposphere and stratosphere is known as ________ |
| A. | Mesosphere |
| B. | Ionosphere |
| C. | Stratopause |
| D. | Tropopause |
| Answer» E. | |
| 8. |
Which of the following layers of the Earth's atmosphere provide ideal flying conditions for Jet aircraft? |
| A. | Mesosphere |
| B. | Thermosphere |
| C. | Stratosphere |
| D. | Troposphere |
| Answer» D. Troposphere | |
| 9. |
The chemically inactive gas present in the atmosphere is ________ |
| A. | Nitrogen |
| B. | Argon |
| C. | Water vapour |
| D. | Oxygen |
| Answer» C. Water vapour | |
| 10. |
Excess carbon dioxide in the atmosphere due to pollution will cause |
| A. | Earth's temperature to rise |
| B. | Earth's temperature to fall |
| C. | No change in earth's temperature |
| D. | Increase in ultra-violet radiation reaching the earth |
| Answer» B. Earth's temperature to fall | |
| 11. |
Agents of fog formation do not include ________ |
| A. | High relative humidity |
| B. | Diurnal temperatures of short ranges |
| C. | Winter season |
| D. | Rapid radiation |
| Answer» C. Winter season | |
| 12. |
Consider the following statements:1. Mistral is a cold wind blowing in North America.2. Sirocco is a hot dry wind blowing across the North African coast.Which of the statement(s) given above is/are correct? |
| A. | 1 only |
| B. | 2 only |
| C. | Both 1 and 2 |
| D. | Neither 1 nor 2 |
| Answer» C. Both 1 and 2 | |
| 13. |
Cloud burst' means ________ |
| A. | Abnormally heavy downpour of rain, associated with a thunderstorm |
| B. | Formation of artificial rain |
| C. | Presence of scattered flakes of cloud in the sky |
| D. | Sowing of seeds of a crop in a cloudy weather |
| Answer» B. Formation of artificial rain | |
| 14. |
What helps to maintain the heat budget on the surface of the earth? |
| A. | Incoming insolation in short waves and terrestrial radiation in long waves |
| B. | The atmosphere absorbs heat |
| C. | Incoming solar radiation is reflected |
| D. | The earth absorbs heat |
| Answer» B. The atmosphere absorbs heat | |
| 15. |
Winds and air currents differ in the aspect that ________ |
| A. | Air currents blow much faster than winds |
| B. | Air currents are always moisture laden while the winds are usually dry |
| C. | The winds blow on lands while air currents blow over seas and oceans |
| D. | Winds are horizontal movements of air while air currents are the vertical movements of air |
| Answer» E. | |
| 16. |
The layer of the atmosphere which provides ideal conditions for flying on et aeroplanes is ________ |
| A. | Troposphere |
| B. | Stratosphere |
| C. | Ionosphere |
| D. | Exosphere |
| Answer» C. Ionosphere | |
| 17. |
The velocity of winds is related to ________ |
| A. | The amount of moisture they carry |
| B. | The nearness to the sea |
| C. | Pressure gradient in the direction of their flow |
| D. | The direction in which they blow |
| Answer» D. The direction in which they blow | |
| 18. |
Which of the following sequences of atmospheric layers is correct from below? |
| A. | Stratosphere, Ionosphere, Tropopause, Troposphere |
| B. | Ionosphere, Troposphere, Stratosphere, Tropopause |
| C. | Troposphere, Tropopause, Stratosphere, Ionosphere |
| D. | Tropopause, Troposphere, Ionosphere, Stratosphere |
| Answer» D. Tropopause, Troposphere, Ionosphere, Stratosphere | |
| 19. |
Relative humidity |
| A. | Increases with increased temperature |
| B. | Decreases with increased temperature |
| C. | Decreases with decreased temperature |
| D. | Has no relation with increase or decrease of temperature |
| Answer» C. Decreases with decreased temperature | |