MCQOPTIONS
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MCQOPTIONS
This section includes 23 Mcqs, each offering curated multiple-choice questions to sharpen your Environmental Science knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which are the two forces balanced by the geostrophic wind? |
| A. | Coriolis effect and pressure gradient force |
| B. | Coriolis force and centrifugal force |
| C. | Frictional force and pressure gradient force |
| D. | Pressure gradient force and centrifugal force |
| Answer» B. Coriolis force and centrifugal force | |
| 2. |
What does the term obliquity indicate? |
| A. | Earth’s axial tilt of 23.5 degrees |
| B. | Alignment of the Earth’s internal magnetic field |
| C. | Analysis of ocean currents |
| D. | Pressure variation over different seasons |
| Answer» B. Alignment of the Earth’s internal magnetic field | |
| 3. |
How does atmospheric pressure vary with increase in altitude? |
| A. | It decreases linearly |
| B. | It decreases exponentially |
| C. | It increases linearly |
| D. | It increases till stratosphere and then starts decreasing exponentially |
| Answer» C. It increases linearly | |
| 4. |
Which of the following gases vary significantly over time and place at the atmospheric boundary level? |
| A. | Carbon dioxide |
| B. | Ozone |
| C. | Water vapour |
| D. | Oxygen |
| Answer» D. Oxygen | |
| 5. |
What does the term “turbidity” indicate in atmospheric quality? |
| A. | Indicates density of clouds |
| B. | Reduction of light due to dust particles |
| C. | Indicates the humidity |
| D. | Turbulence of winds |
| Answer» C. Indicates the humidity | |
| 6. |
Below what Richardson number does convective mixing start dominating mechanical turbulence? |
| A. | 0 |
| B. | -0.04 |
| C. | -0.03 |
| D. | -0.1 |
| Answer» C. -0.03 | |
| 7. |
What is a “tetroon” in the field of meteorology? |
| A. | A tool used to study wind patterns |
| B. | A tool used to study pressure variations |
| C. | A tool used to study temperature deviations |
| D. | A tool used to study humidity |
| Answer» B. A tool used to study pressure variations | |
| 8. |
What does the word ‘meteorology’ define? |
| A. | Study of meteors and asteroids |
| B. | Study of measurements and instruments |
| C. | Study of chemical properties of metals |
| D. | Study of the weather and atmospheric changes |
| Answer» E. | |
| 9. |
HOW_DOES_ATMOSPHERIC_PRESSURE_VARY_WITH_INCREASE_IN_ALTITUDE??$ |
| A. | It decreases linearly |
| B. | It decreases exponentially |
| C. | It increases linearly |
| D. | It increases till stratosphere and then starts decreasing exponentially |
| Answer» C. It increases linearly | |
| 10. |
WHICH_OF_THE_FOLLOWING_GASES_VARY_SIGNIFICANTLY_OVER_TIME_AND_PLACE_AT_THE_ATMOSPHERIC_BOUNDARY_LEVEL??$ |
| A. | Carbon dioxide |
| B. | Ozone |
| C. | Water vapour |
| D. | Oxygen |
| Answer» D. Oxygen | |
| 11. |
Which are the two forces balanced by the geostrophic wind?$ |
| A. | Coriolis effect and pressure gradient force |
| B. | Coriolis force and centrifugal force |
| C. | Frictional force and pressure gradient force |
| D. | Pressure gradient force and centrifugal force |
| Answer» B. Coriolis force and centrifugal force | |
| 12. |
What does the term obliquity indicate? |
| A. | Earth’s axial tilt of 23.5 degrees |
| B. | Alignment of the Earth’s internal magnetic field |
| C. | Analysis of ocean currents |
| D. | Pressure variation over different seasons |
| Answer» B. Alignment of the Earth‚Äö√Ñ√∂‚àö√ë‚àö¬•s internal magnetic field | |
| 13. |
Which of the following is regarded as climate control factor(s)? |
| A. | Latitude |
| B. | Elevation |
| C. | Ocean currents |
| D. | All of the mentioned |
| Answer» E. | |
| 14. |
The stability of the stratosphere is due to which of the following reasons? |
| A. | Absorption of solar energy by ozone layer |
| B. | Strong wind currents |
| C. | Pressure is minimal |
| D. | All of the mentioned |
| Answer» B. Strong wind currents | |
| 15. |
Which of the following has the highest albedo? |
| A. | Water surface |
| B. | Plateau surfaces |
| C. | Vegetation |
| D. | Fresh snow |
| Answer» E. | |
| 16. |
What does the term “turbidity” indicate in atmospheric quality?# |
| A. | Indicates density of clouds |
| B. | Reduction of light due to dust particles |
| C. | Indicates the humidity |
| D. | Turbulence of winds |
| Answer» C. Indicates the humidity | |
| 17. |
What is high pressure area with sinking air also known as? |
| A. | Cyclone |
| B. | Anti-cyclone |
| C. | Eddy zone |
| D. | Richardson zone |
| Answer» C. Eddy zone | |
| 18. |
Below what Richardson number does convective mixing start dominating mechanical turbulence? |
| A. | 0 |
| B. | -0.04 |
| C. | -0.03 |
| D. | -0.1 |
| Answer» C. -0.03 | |
| 19. |
When Richardson number is equal to zero, what is the wind turbulence characteristic? |
| A. | No vertical mixing |
| B. | Weak mechanical turbulence due to stratification |
| C. | Convective mixing is greater than mechanical turbulence |
| D. | Only mechanical turbulence |
| Answer» E. | |
| 20. |
Above which Richardson number does vertical mixing in winds disappear? |
| A. | 1 |
| B. | 0.25 |
| C. | 0.5 |
| D. | 0.75 |
| Answer» C. 0.5 | |
| 21. |
What does the Richardson number indicate in wind analysis? |
| A. | Mechanical turbulence |
| B. | Convective heat production |
| C. | Mechanical turbulence & Convective heat production |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 22. |
What is a “tetroon” in the field of meteorology?$ |
| A. | A tool used to study wind patterns |
| B. | A tool used to study pressure variations |
| C. | A tool used to study temperature deviations |
| D. | A tool used to study humidity |
| Answer» B. A tool used to study pressure variations | |
| 23. |
What does the word ‘meteorology’ define? |
| A. | Study of meteors and asteroids |
| B. | Study of measurements and instruments |
| C. | Study of chemical properties of metals |
| D. | Study of the weather and atmospheric changes |
| Answer» E. | |