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This section includes 7 InterviewSolutions, each offering curated multiple-choice questions to sharpen your Current Affairs knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Thermocline is a constituent ofA. EpilimnionB. MetalimnionC. HypolimnionD. None of the above. |
| Answer» Correct Answer - B | |
| 2. |
Hypolimnion of a deep takeA. Freees during cold winterB. Warms up during hot summerC. Remains cool throughoutD. Remins warm throughout. |
| Answer» Correct Answer - C | |
| 3. |
Wild beasts of Africa migrate in response toA. Excessive heatB. Cold freezing temperatureC. RainfallD. Overpopulaion. |
| Answer» Correct Answer - C | |
| 4. |
Which of the following soil is transported by air?A. AlluvialB. ColluvialC. GlacialD. Eolian |
| Answer» Correct Answer - D | |
| 5. |
Adaptations is an organism are meant forA. Optimun primary productionB. Optimum mobilityC. Optimum mobilityD. Optimum survival and reproduction. |
| Answer» Correct Answer - D | |
| 6. |
Benthic organism are affected most byA. Surface turbulance of waterB. Sediment characteristicsC. Water holding capacity of soilD. Light reaching the forest floor. |
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Answer» Correct Answer - D |
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| 7. |
Which one of the following is not an edaphic factor?A. Mineral matterB. Organic matterC. RainfallD. Soil water. |
| Answer» Correct Answer - C | |
| 8. |
Which one is nearly absent in ozonosphere ?A. Dust particlesB. Water vapoursC. `CO_(2)`D. All the above. |
| Answer» Correct Answer - D | |
| 9. |
Ozonosphere occurs at a height osA. 8-10 km above polesB. 8-10 km above equatorC. 11-16 km above polesD. 11-16 km above equator. |
| Answer» Correct Answer - C | |
| 10. |
Winters are absent in climatic zoneA. SubtropicalB. TropicalC. AlpineD. Arctic. |
| Answer» Correct Answer - B | |
| 11. |
Components of environment areA. BioticB. AbioticC. Resource and regulatory factorsD. All the above. |
| Answer» Correct Answer - D | |
| 12. |
Climatic zone between `20^(@)-40^(@)` isA. SubtropicalB. TemperateC. Both A and BD. Temperate and subarctic. |
| Answer» Correct Answer - A | |
| 13. |
Tropical zone extends fromA. `0^(@)-30^(@)`B. `0^(@)-20^(@)`C. `10^(@)-23^(@)`D. `5^(@)-30^(@)` |
| Answer» Correct Answer - B | |
| 14. |
Mean annual temperature of tropical zone isA. `10^(@)C`B. `16^(@)C`C. `24^(@)C`D. `30^(@)C` |
| Answer» Correct Answer - C | |
| 15. |
Good soil isA. Allows water to percolate slowlyB. Allows water to pass quicklyC. Allows limited amount of water into itD. Holds whole of water entring it. |
| Answer» Correct Answer - A | |
| 16. |
The least porous soil among the following is a:A. Clay soilB. Sandy soilC. Loam soilD. Gravelly soil |
| Answer» Correct Answer - A | |
| 17. |
Hibernation occurring in certain animals isA. OccasionalB. IntermittentC. RhythmicD. Periodic. |
| Answer» Correct Answer - D | |
| 18. |
Plants growing in oligotrophic forest soils usually haveA. MycorrhizaB. Slow growthC. Reduced growthD. All of the above. |
| Answer» Correct Answer - A | |
| 19. |
Palisade parenchyma is well developed inA. MesophytesB. HeliophytesC. SciophytesD. Hygropohytes. |
| Answer» Correct Answer - B | |
| 20. |
Rate of photosyntheiss is maximum atA. EquatorB. Tropic of CancerC. Tropic of CapricornD. Arctic circle. |
| Answer» Correct Answer - A | |
| 21. |
Animals active at dawn areA. AuroralB. VesperalC. CrepuscularD. Diurnal. |
| Answer» Correct Answer - A | |
| 22. |
Animals exposed to bright light haveA. Darker pigmentationB. Lighter pigmentationC. Tint of yellow and red coloursD. Both A anc C. |
| Answer» Correct Answer - B | |
| 23. |
Almost decomposed organic matter in which original matter in which original form if lost is inA. DuffB. LitterC. Leaf mouldD. None of these. |
| Answer» Correct Answer - C | |
| 24. |
Humus is defined asA. Physical texture of soilB. Chemical composition of soilC. Decomposed organic matter in soilD. None of these |
| Answer» Correct Answer - C | |
| 25. |
Formation of soil takes place byA. WeatheringB. PedogenesisC. MeltingD. Both A and B. |
| Answer» Correct Answer - D | |
| 26. |
Formation of organic matter takes place byA. Chemical weatheringB. Soil micro-organismsC. HerbivoresD. Soil water. |
| Answer» Correct Answer - B | |
| 27. |
Xeric environment is characterised byA. PrecipitationB. Low atmospheric humidityC. Extremes of temperatureD. High rate of vaporisation. |
| Answer» Correct Answer - B | |
| 28. |
Shallow lakes with abundant organic matter areA. SaprotrophicB. OligotrophicC. EutrophicD. Heterotrophic. |
| Answer» Correct Answer - C | |
| 29. |
Ionosphere occurs inA. ThermosphereB. HomosphereC. MesosphereD. Stratosphere. |
| Answer» Correct Answer - A | |
| 30. |
In thermonsphere the temperatureA. Rises with height to `200^(@)C`B. Rises with height to `1500^(@)C`C. First decreases then risesD. Decreases to `-150^(@)C`. |
| Answer» Correct Answer - B | |
| 31. |
The most common organic solute stored by xerophytes for maintaining osmotic and water potential isA. GlucoseB. SucroseC. RaffinoseD. Proline. |
| Answer» Correct Answer - D | |
| 32. |
Organisms capable of maintaining constant body temperature are:A. StenothermalB. ConformersC. PoikilothermalD. Homoiothermal |
| Answer» Correct Answer - D | |
| 33. |
Solar radiations reaching earth have a wavelength ofA. 400-700 nmB. 300-740 nmC. 300-2600 nmD. 300-16000 nm |
| Answer» Correct Answer - C | |
| 34. |
Solar spectrum containsA. X-rays and cosmic raysB. Ultraviolet rays and infrared raysC. RadiowavesD. All the above. |
| Answer» Correct Answer - D | |
| 35. |
A continuous system of air passages from aerial leaves to anchored roots is found inA. Submerged hydrogphytesB. Floating hydrophytesC. Emergent hydrophytesD. Suspended hydrophytes.. |
| Answer» Correct Answer - C | |
| 36. |
In mesophere, the temperatureA. Rises from `-2^(@)` to `15^(@)C`B. Rises from `-2^(@)` to `92^(@)C`C. Decreases from `-2^(@)` to `-15^(@)C`D. Decreases from `-2^(@)` to `-92^(@)C`. |
| Answer» Correct Answer - D | |
| 37. |
Transitional layer between stratosphere and mesosphere isA. TroposphereB. LithosphereC. StratopauseD. Traopoapause |
| Answer» Correct Answer - C | |
| 38. |
Mesophere is component ofA. AtmosphereB. HydrosphereC. LithosphereD. Asthenosphere. |
| Answer» Correct Answer - A | |
| 39. |
Ozone makes the stratosphereA. Coolar by `17^(@)C`B. Warmer by `17^(@)C`C. Warmer by `55^(@)C`.D. |
| Answer» Correct Answer - C | |
| 40. |
Ozonosphere is component ofA. TroposphereB. StratosphereC. MesosphereD. Thermosphere. |
| Answer» Correct Answer - B | |
| 41. |
Succulents occur inA. DesertsB. TundraC. Temperate deciduous forestsD. Tropical rain forests. |
| Answer» Correct Answer - A | |
| 42. |
Succulents performA. `C_(4)` photosynthesisB. CAMC. `C_(3)` photosynthesisD. All the above. |
| Answer» Correct Answer - B | |
| 43. |
In deep fresh water ponds, different layers of water with different temperatures are noticed,This is known asA. Thermal stratificationB. Surface tensionC. Water equilibriumD. Thermal equilibrium. |
| Answer» Correct Answer - A | |
| 44. |
A phreatophyte isA. CapparisB. EuphorbiaC. TamarixD. Gnaphalium. |
| Answer» Correct Answer - C | |
| 45. |
Deep roots occur inA. Perennial nonsucculent xerophytesB. Perennial succulent xerophytesC. Annual xerophytesD. Ephemeral xerophytes |
| Answer» Correct Answer - A | |
| 46. |
Phreatophytes are xerophytes with rootsA. Spread along the soil surfaceB. Well spread in the soilC. Very deep reaching ground water fringeD. Very deep but well above ground water. |
| Answer» Correct Answer - C | |
| 47. |
Profundal zone isA. Aphotic zone in deep waterB. Euphotic zone in open waterC. Disphotic zone in deep waterD. Dark bottom of deep water body. |
| Answer» Correct Answer - A | |
| 48. |
A zone of gradual change in temperature of a lake isA. HypolimnionB. EpilimnionC. ThermoclineD. None of the above. |
| Answer» Correct Answer - C | |
| 49. |
Open water zone in a deep lake/sea is calledA. Littoral zoneB. Limnetic zoneC. Profundal zoneD. Disphotic zone. |
| Answer» Correct Answer - B | |
| 50. |
Organisms are present but they do reproduce in the zone ofA. Optimum toleranceB. IntoleranceC. StressD. Beyond upper and lower limit of tolerance. |
| Answer» Correct Answer - C | |