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. |
The first tropic level refers to%! |
| A. | all herbivores |
| B. | all green plants |
| C. | sunlight |
| D. | all animals |
| Answer» C. sunlight | |
| 2. |
Biodiversity%! |
| A. | Increases towards the equator |
| B. | Decreases towards the equator |
| C. | Remains same throughout the planet |
| D. | Has no effect on change in latitude |
| Answer» B. Decreases towards the equator | |
| 3. |
MAB stands for |
| A. | Man and biosphere |
| B. | Man, antibiotics and bacteria |
| C. | Man and biotic community |
| D. | Mayer, Anderson and Bisby |
| Answer» B. Man, antibiotics and bacteria | |
| 4. |
Bio gas generation is mainly based on the principle of |
| A. | Fermentation |
| B. | Degradation |
| C. | Purification |
| D. | Sedimentation |
| Answer» B. Degradation | |
| 5. |
Superbugs are%! |
| A. | Synthetic bug |
| B. | Bacteria |
| C. | Radio nucleotide |
| D. | Industries |
| Answer» C. Radio nucleotide | |
| 6. |
The cold feeling that you experience after leaving a swimming pool on a hot, dry, summer day represents heat transfer by:%! |
| A. | Conduction |
| B. | Convection |
| C. | Radiation |
| D. | Latent heat |
| Answer» E. | |
| 7. |
If the sun suddenly began emitting more energy, the earth's radiative equilibrium temperature would:%! |
| A. | Increase |
| B. | Decrease |
| C. | Remain the same |
| D. | Begin to oscillate |
| Answer» B. Decrease | |
| 8. |
The order of succession in a hydrosere is%! |
| A. | Rooted aquatic plants-> phytoplankton->Free floating stage->Reed swamp stage->Sedge Meadow stage-> wood land stage-> Climax forest |
| B. | Rooted aquatic plants-> phytoplankton->Free floating stage-> Sedge Meadow stage-> Reed swamp stage-> wood land stage-> Climax forest |
| C. | phytoplankton->Rooted aquatic plants->Free floating stage->Reed swamp stage-> wood land stage-> Sedge Meadow stage-> Climax forest |
| D. | phytoplankton->Rooted aquatic plants->Free floating stage->Reed swamp stage->Sedge Meadow stage-> wood land stage-> Climax forest |
| Answer» E. | |
| 9. |
A strong radiation inversion is more likely to occur on a:%! |
| A. | Warm, windy night. |
| B. | Cool, windy night. |
| C. | Rainy night with light winds. |
| D. | Clear night with light winds. |
| Answer» E. | |
| 10. |
Dodo is%! |
| A. | Endangered |
| B. | Critically endangered |
| C. | Rare |
| D. | Extinct |
| Answer» E. | |
| 11. |
Light energy is transformed into chemical energy by%! |
| A. | Photosynthesis |
| B. | Respiration |
| C. | Recycling |
| D. | Productivity |
| Answer» B. Respiration | |
| 12. |
All forms of water that comes down on Earth, including rain, snow, hail etc. is known as _____________%! |
| A. | Calcification |
| B. | Fixation |
| C. | Precipitation |
| D. | Accumulation |
| Answer» D. Accumulation | |
| 13. |
A __________ is formed due to the collection of water in a natural basis or depression in a mountainous area or in plains. |
| A. | Lake |
| B. | Stream |
| C. | Pond |
| D. | Spring |
| Answer» B. Stream | |
| 14. |
The biggest award for environmental activities in India is given in the name of an individual. In whose name is it constituted?%! |
| A. | Lal Bahadur Shasthri |
| B. | Morarji Desai |
| C. | Indira Gandhi |
| D. | Kamaraj |
| Answer» D. Kamaraj | |
| 15. |
The combustion of waste in the absence of Oxygen is called%! |
| A. | Haemolysis |
| B. | Pyrolysis |
| C. | Hydrolysis |
| D. | None |
| Answer» C. Hydrolysis | |
| 16. |
What is hibernation and aestivation?%! |
| A. | Thermal adaptation shown by animals |
| B. | wind adaptation shown by animals |
| C. | adaptation of animals to escape from predators |
| D. | none |
| Answer» B. wind adaptation shown by animals | |
| 17. |
The earth's atmosphere is divided into layers based on the vertical profile of: |
| A. | Air pressure |
| B. | Air temperature |
| C. | Air density |
| D. | Wind speed |
| Answer» C. Air density | |
| 18. |
At night, low clouds:%! |
| A. | Enhance the atmospheric greenhouse effect |
| B. | Weaken the atmospheric greenhouse effect |
| C. | Are often caused by the atmospheric greenhouse effect |
| D. | Have no effect on the atmospheric greenhouse effect |
| Answer» B. Weaken the atmospheric greenhouse effect | |
| 19. |
Basidiospores are considered to be a major source of%! |
| A. | airborne allergens |
| B. | water borne allergens |
| C. | animal faeces |
| D. | bioweapon |
| Answer» B. water borne allergens | |
| 20. |
The term Ecosystem was coined by%! |
| A. | Odum |
| B. | Clements |
| C. | Arthur G Tansley |
| D. | Elton |
| Answer» D. Elton | |
| 21. |
In a food chain of grassland ecosystem the top consumers are%! |
| A. | Herbivorous |
| B. | Carnivorous |
| C. | Bacteria |
| D. | Either carnivorous or herbivorous |
| Answer» C. Bacteria | |
| 22. |
The one-horned Rhinoceros is now restricted to which state?%! |
| A. | Maharashtra |
| B. | Gujarat |
| C. | Assam |
| D. | Uttar Pradesh |
| Answer» D. Uttar Pradesh | |
| 23. |
Man and biosphere programme is affiliated with%! |
| A. | UNESCO |
| B. | IUCN |
| C. | WWF |
| D. | WIPO |
| Answer» B. IUCN | |
| 24. |
_______ is a marine tortoise which shows the unique phenomenon "arribada"%! |
| A. | Olive Ridley |
| B. | Star Tortoise |
| C. | Travancore Tortoise |
| D. | A & C |
| Answer» B. Star Tortoise | |
| 25. |
Minute particles and liquid droplets are collectively called%! |
| A. | Convection current |
| B. | Ozone |
| C. | UV radiation |
| D. | Aerosols |
| Answer» E. | |
| 26. |
What is the most important factor for the success of animal population?%! |
| A. | Natality |
| B. | Adaptability |
| C. | Unlimited food |
| D. | Inter species activity |
| Answer» C. Unlimited food | |
| 27. |
The term "Biocoenosis" was proposed by%! |
| A. | Transley |
| B. | Carl Mobius |
| C. | Warming |
| D. | None of the above |
| Answer» C. Warming | |
| 28. |
India is primary centre of domestication of%! |
| A. | Sheep |
| B. | Goat |
| C. | Water Buffalo |
| D. | Elephants |
| Answer» E. | |
| 29. |
Mobile combustion accounts%! |
| A. | 10-20% of air pollution |
| B. | 40-50% of air pollution |
| C. | 50-60 % of air pollution |
| D. | 5-10 % of air pollution |
| Answer» D. 5-10 % of air pollution | |
| 30. |
In which year was "Project Tiger" launched?%! |
| A. | 1973 |
| B. | 1964 |
| C. | 1998 |
| D. | 1970 |
| Answer» B. 1964 | |
| 31. |
The deadliest Tsunami in recorded history took place on%! |
| A. | 26-Dec-2004 |
| B. | 26-Dec-2000 |
| C. | 15-Nov-1990 |
| D. | 15-Dec-1999 |
| Answer» B. 26-Dec-2000 | |
| 32. |
What is the animal symbol of W. W. F (World Wildlife Fund) ?%! |
| A. | Red Panda |
| B. | Giant Panda |
| C. | Tiger |
| D. | Kangaroo |
| Answer» C. Tiger | |
| 33. |
Harnessing of nuclear energy often causes ________ pollution%! |
| A. | Air |
| B. | Water |
| C. | Thermal |
| D. | Noise |
| Answer» D. Noise | |
| 34. |
The lower limit of water availability is soil is known as%! |
| A. | Field capacity |
| B. | Hypolimnion |
| C. | Thermocline |
| D. | Wilting point |
| Answer» E. | |
| 35. |
Warming in the stratosphere is mainly caused by:%! |
| A. | Absorption of ultraviolet radiation by ozone |
| B. | Release of latent heat energy during condensation |
| C. | Chemical reactions between ozone and chlorofluorocarbons |
| D. | Frictional heating caused by meteorites |
| Answer» B. Release of latent heat energy during condensation | |
| 36. |
The pollutant that causes hole in the ozone layer is%! |
| A. | SF6 |
| B. | nitrousoxide |
| C. | CFCs |
| D. | PFCs |
| Answer» D. PFCs | |
| 37. |
*$_Bio gas generation is mainly based on the principle of? |
| A. | Fermentation |
| B. | Degradation |
| C. | Purification |
| D. | Sedimentation |
| Answer» B. Degradation | |
| 38. |
*$_Superbugs are? |
| A. | Synthetic bug |
| B. | Bacteria |
| C. | Radio nucleotide |
| D. | Industries |
| Answer» C. Radio nucleotide | |
| 39. |
*$_The cold feeling that you experience after leaving a swimming pool on a hot, dry, summer day represents heat transfer by:? |
| A. | Conduction |
| B. | Convection |
| C. | Radiation |
| D. | Latent heat |
| Answer» E. | |
| 40. |
*$_The order of succession in a hydrosere is? |
| A. | Rooted aquatic plants-> phytoplankton->Free floating stage->Reed swamp stage->Sedge Meadow stage-> wood land stage-> Climax forest |
| B. | Rooted aquatic plants-> phytoplankton->Free floating stage-> Sedge Meadow stage-> Reed swamp stage-> wood land stage-> Climax forest |
| C. | phytoplankton->Rooted aquatic plants->Free floating stage->Reed swamp stage-> wood land stage-> Sedge Meadow stage-> Climax forest |
| D. | phytoplankton->Rooted aquatic plants->Free floating stage->Reed swamp stage->Sedge Meadow stage-> wood land stage-> Climax forest |
| Answer» E. | |
| 41. |
*$_All forms of water that comes down on Earth, including rain, snow, hail etc. is known as _____________? |
| A. | Calcification |
| B. | Fixation |
| C. | Precipitation |
| D. | Accumulation |
| Answer» D. Accumulation | |
| 42. |
*$_A __________ is formed due to the collection of water in a natural basis or depression in a mountainous area or in plains.? |
| A. | Lake |
| B. | Stream |
| C. | Pond |
| D. | Spring |
| Answer» B. Stream | |
| 43. |
*$_MAB stands for? |
| A. | Man and biosphere |
| B. | Man, antibiotics and bacteria |
| C. | Man and biotic community |
| D. | Mayer, Anderson and Bisby |
| Answer» B. Man, antibiotics and bacteria | |
| 44. |
*$_What is the leading source of energy used in the United States today?? |
| A. | coal |
| B. | oil resources |
| C. | natural gas |
| D. | nuclear power |
| Answer» C. natural gas | |
| 45. |
*$_CFC releases a chemical which is harmful to ozone is? |
| A. | chlorine |
| B. | fluorine |
| C. | N2O |
| D. | SO2 |
| Answer» B. fluorine | |
| 46. |
*$_Energy flow in ecosystem is? |
| A. | Unidirectional |
| B. | Bidirectional |
| C. | Multidirectional |
| D. | None of the above |
| Answer» B. Bidirectional | |
| 47. |
*$_In July, at middle latitudes in the Northern Hemisphere, the day is ____ long and is ____ with each passing day.? |
| A. | Less than 12 hours; getting longer |
| B. | Less than 12 hours; getting shorter |
| C. | More than 12 hours; getting longer |
| D. | More than 12 hours; getting shorter |
| Answer» E. | |
| 48. |
*$_India is primary centre of domestication of? |
| A. | Sheep |
| B. | Goat |
| C. | Water Buffalo |
| D. | Elephants |
| Answer» E. | |
| 49. |
*$_Minute particles and liquid droplets are collectively called? |
| A. | Convection current |
| B. | Ozone |
| C. | UV radiation |
| D. | Aerosols |
| Answer» E. | |
| 50. |
*$_What is the most important factor for the success of animal population?? |
| A. | Natality |
| B. | Adaptability |
| C. | Unlimited food |
| D. | Inter species activity |
| Answer» C. Unlimited food | |