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. |
First Biosphere reserve in India |
| A. | ilgiri |
| B. | gastyamala |
| C. | ravikulam |
| D. | hinnar |
| Answer» B. gastyamala | |
| 2. |
The Primary Consumers are also called as |
| A. | erbivores |
| B. | arnivores |
| C. | nzymes |
| D. | one of these |
| Answer» B. arnivores | |
| 3. |
_________ is an integration of several subjects that include both science and social studies. |
| A. | ociology |
| B. | hysiology |
| C. | nvironmental studies |
| D. | natomy |
| Answer» D. natomy | |
| 4. |
Two opposite forces operate in the growth and development of every population. One of them is related to the ability to reproduce at a given rate. The force opposite to it is called |
| A. | ecundity |
| B. | ortality |
| C. | nvironmental resistances |
| D. | iotic control |
| Answer» C. nvironmental resistances | |
| 5. |
Public awareness of environment creates ___________ |
| A. | nvironment protection |
| B. | nvironment degradation |
| C. | nvironmental improvement |
| D. | nvironmental cultivation |
| Answer» B. nvironment degradation | |
| 6. |
The resources that are derived from bio-mass of living organisms are called ________resources. |
| A. | enewable |
| B. | on-renewable |
| C. | nvironmental |
| D. | atural |
| Answer» B. on-renewable | |
| 7. |
The head quarter of IUCN is located in |
| A. | aris |
| B. | witzerland |
| C. | ngland |
| D. | ermany |
| Answer» C. ngland | |
| 8. |
The organic matter produced by the photosynthetic activity of green plants is called as |
| A. | ight energy |
| B. | ellular process |
| C. | nergy flow |
| D. | rimary productivity |
| Answer» E. | |
| 9. |
An example of one way ecological cycle is |
| A. | arbon dioxide cycle |
| B. | ater cycle |
| C. | nergy cycle |
| D. | xygen cycle |
| Answer» D. xygen cycle | |
| 10. |
If we uncover half of the forest, covering of the earth, what crisis will be produced at most and at first? |
| A. | ome species will be extincted |
| B. | opulation and ecological imbalance will rise up |
| C. | nergy crisis will occur |
| D. | est half forests will maintain this imbalance |
| Answer» B. opulation and ecological imbalance will rise up | |
| 11. |
Sunlight that bounces off a surface is said to be ________ from the surface. |
| A. | adiated |
| B. | bsorbed |
| C. | mitted |
| D. | eflected |
| Answer» E. | |
| 12. |
Chemical reactions triggered by ________ transforms the organic material into hydrocarbons. |
| A. | olar energy |
| B. | ydroelectric |
| C. | levated temperatures |
| D. | ecomposition |
| Answer» D. ecomposition | |
| 13. |
Flag ship species of Choolannur sanctuary |
| A. | iger |
| B. | eacock |
| C. | lephant |
| D. | hino |
| Answer» C. lephant | |
| 14. |
Eravikulam National Park conserves |
| A. | ion tailed macaque |
| B. | iger |
| C. | lephant |
| D. | ilgiri Tahr |
| Answer» E. | |
| 15. |
Most of the natural gas used in the United States is consumed by |
| A. | ndustry |
| B. | esidential use |
| C. | lectrical utilities |
| D. | ransportation |
| Answer» C. lectrical utilities | |
| 16. |
Torrey Canyon is famous for |
| A. | ulf of War |
| B. | ndustries |
| C. | lectric Potential |
| D. | il spillage |
| Answer» E. | |
| 17. |
_________ energy is the main driving force of the ecological system. |
| A. | ydro |
| B. | olar |
| C. | lectric |
| D. | echanical |
| Answer» C. lectric | |
| 18. |
World's most problematic aquatic weed is |
| A. | zolla |
| B. | olffia |
| C. | ichornia |
| D. | rapa |
| Answer» D. rapa | |
| 19. |
Maximum deposition of DDT will occur in |
| A. | hytoplankton |
| B. | rab |
| C. | el |
| D. | ea gull |
| Answer» E. | |
| 20. |
Germ Layer includes |
| A. | esoderm layer |
| B. | ctoderm, mesoderm, endoderm |
| C. | ctoderm |
| D. | ndoderm |
| Answer» C. ctoderm | |
| 21. |
The term "Eco" implies |
| A. | nvironment |
| B. | cotone |
| C. | cotourism |
| D. | oil |
| Answer» B. cotone | |
| 22. |
An ecosystem gradually merges with an adjoining one through a transitional zone is called the ______________ |
| A. | cological niche |
| B. | cological footprint |
| C. | cotone |
| D. | hore effect |
| Answer» D. hore effect | |
| 23. |
When the two ecosystems overlap each other, the area is called |
| A. | abitat |
| B. | iche |
| C. | cotone |
| D. | cotype |
| Answer» D. cotype | |
| 24. |
Viable material of endangered species can be preserved by |
| A. | ene bank |
| B. | ene library |
| C. | ene pool |
| D. | erbarium |
| Answer» B. ene library | |
| 25. |
Which of the following would be considered to be a biotic component of an environment? |
| A. | ire |
| B. | ater |
| C. | ungi |
| D. | oil |
| Answer» D. oil | |
| 26. |
Which of the following is the major cause of pollution? |
| A. | lants |
| B. | an |
| C. | ungi |
| D. | ydrocarbon gases |
| Answer» E. | |
| 27. |
Plantation produces around__________ percentage of industrial woods. |
| A. | wenty |
| B. | hirty |
| C. | orty |
| D. | ifty |
| Answer» D. ifty | |
| 28. |
Which among the following is related to the word Mesoderm ? |
| A. | natomically advanced animals having all three germ layers |
| B. | o membrane-bound organelles, no peptidoglycan in cell walls, introns |
| C. | orms blood and bone (leads to complex internal organs) |
| D. | inomial system of classification |
| Answer» D. inomial system of classification | |
| 29. |
Favorable morphological and physiological response to a change in environment is called |
| A. | readaptation |
| B. | cotyping |
| C. | ormation of ecophenes |
| D. | cclimatisation |
| Answer» E. | |
| 30. |
Lions are found in |
| A. | estern Ghats |
| B. | orbett National Park |
| C. | orests of Madhya Pradesh |
| D. | ir forests |
| Answer» E. | |
| 31. |
What is deforestation? |
| A. | roduct of forest |
| B. | estruction of forest |
| C. | orest Protection |
| D. | one |
| Answer» C. orest Protection | |
| 32. |
Burning of coal produces oxides of sulphur and nitrogen which combined with water vapor leads to |
| A. | cid rain |
| B. | rackish water |
| C. | orest fire |
| D. | oil pollution |
| Answer» B. rackish water | |
| 33. |
The pyramid of numbers is inverted in the case of |
| A. | arasitic food chain |
| B. | rassland ecosystem |
| C. | orest ecosystem |
| D. | ake ecosystem |
| Answer» B. rassland ecosystem | |
| 34. |
Rain water harvesting is a major method implemented for_____________ |
| A. | ater Conservation |
| B. | oil Conservation |
| C. | orest conservation |
| D. | cological conservation |
| Answer» B. oil Conservation | |
| 35. |
When number of food chains is interlocked this is called |
| A. | ood link |
| B. | ood chain |
| C. | ood web |
| D. | yramid |
| Answer» D. yramid | |
| 36. |
An ecosystem must have continuous external source of |
| A. | inerals |
| B. | nergy |
| C. | ood |
| D. | ll of the above |
| Answer» C. ood | |
| 37. |
The pyramid of biomass is inverted in |
| A. | orest ecosystem |
| B. | rassland ecosystem |
| C. | resh water ecosystem |
| D. | undra |
| Answer» D. undra | |
| 38. |
_________ is the first country to have phased out the CFCs and HCFCs which are responsible for the depletion of the ozone layer. |
| A. | enmark |
| B. | ermany |
| C. | rance |
| D. | pain |
| Answer» C. rance | |
| 39. |
The nation whose government is promoting large families because of an aging population and low fertility rate is |
| A. | he United States |
| B. | ndia |
| C. | rance |
| D. | hina |
| Answer» D. hina | |
| 40. |
According to the Stefan-Boltzmann law, the radiative energy emitted by one square meter of an object is equal to a constant multiplied by its temperature raised to the _______ power. |
| A. | egative third |
| B. | eroeth |
| C. | ourth |
| D. | enth |
| Answer» D. enth | |
| 41. |
__________ is derived recently from living organisms and their metabolic products. |
| A. | iofuel |
| B. | iomass |
| C. | ossil fuel |
| D. | obar gas |
| Answer» B. iomass | |
| 42. |
The pioneers in xerach succession is the |
| A. | rustose lichen |
| B. | osses |
| C. | oliose lichen |
| D. | hrubs |
| Answer» B. osses | |
| 43. |
Which statement(s) below is/are correct? |
| A. | alleys are more susceptible to radiation fog than hill tops |
| B. | ithout the summer fog along the coast of California, redwoods would not grow well there |
| C. | og can be composed of ice crystals |
| D. | ll of the above are correct |
| Answer» E. | |
| 44. |
_________ is an important factor that aggravates the effect of drought. |
| A. | eforestation |
| B. | oil Erosion |
| C. | loods |
| D. | cid Rain |
| Answer» B. oil Erosion | |
| 45. |
________ is the natural phenomenon, caused by an unlimited and unprecedented rainfall. |
| A. | oil erosion |
| B. | yclone |
| C. | loods |
| D. | eightening |
| Answer» D. eightening | |
| 46. |
Which of the following provides a measure of the average speed of air molecules? |
| A. | ressure |
| B. | emperature |
| C. | ensity |
| D. | eat |
| Answer» C. ensity | |
| 47. |
The crack marked on a glacier due to splitting of ice is called |
| A. | atershed |
| B. | revasses |
| C. | elta |
| D. | lacier |
| Answer» C. elta | |
| 48. |
The areas where soil is washed away into streams, transported into rivers and finally lost to the sea are called |
| A. | cologically sensitive areas |
| B. | rasslands |
| C. | elta |
| D. | iologically sensitive areas |
| Answer» B. rasslands | |
| 49. |
Lotic ecosystem refers to |
| A. | tatic water system |
| B. | cosystem of flowing water |
| C. | cosystem of estuaries |
| D. | eep marine water system |
| Answer» C. cosystem of estuaries | |
| 50. |
________ is the degradation of land in arid, semi-arid and dry sub-humid areas. |
| A. | and fertility |
| B. | esertification |
| C. | cosystem |
| D. | egetation |
| Answer» C. cosystem | |