MCQOPTIONS
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MCQOPTIONS
This section includes 500 Mcqs, each offering curated multiple-choice questions to sharpen your SRMJEEE knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Symbiosis is shown by |
| A. | .coli |
| B. | uscuta |
| C. | afflesia |
| D. | onotropa |
| Answer» B. uscuta | |
| 2. |
Acid is an example of _____________ |
| A. | orrosive waste |
| B. | nfectious waste |
| C. | adioactive waste |
| D. | gnitable waste |
| Answer» B. nfectious waste | |
| 3. |
A small quantity of__________ material can produce an enormous amount of energy |
| A. | etallic |
| B. | on-metallic |
| C. | adioactive |
| D. | onductive |
| Answer» D. onductive | |
| 4. |
Superbugs are |
| A. | ynthetic bug |
| B. | acteria |
| C. | adio nucleotide |
| D. | ndustries |
| Answer» C. adio nucleotide | |
| 5. |
All are physical pollutants except |
| A. | eat |
| B. | ound |
| C. | adiations |
| D. | oot |
| Answer» E. | |
| 6. |
"Silent Spring" is a well known book written by |
| A. | ohn Miller |
| B. | harles Darwin |
| C. | achel Carson |
| D. | ldoleopold |
| Answer» D. ldoleopold | |
| 7. |
A graphic representation of number of individuals of different species belonging to each trophic level in a an ecosystem is known as |
| A. | cological pyramid |
| B. | yramid of biomass |
| C. | yramid of number |
| D. | yramid of energy |
| Answer» D. yramid of energy | |
| 8. |
Bio gas generation is mainly based on the principle of |
| A. | ermentation |
| B. | iodegradation |
| C. | urification |
| D. | edimentation |
| Answer» C. urification | |
| 9. |
The Anthrax disease is caused by |
| A. | irus |
| B. | acteria |
| C. | rotozoa |
| D. | elminthes |
| Answer» C. rotozoa | |
| 10. |
The transfer of heat by molecule-to-molecule contact is: |
| A. | onduction |
| B. | onvection |
| C. | adiation |
| D. | ltrasonic |
| Answer» B. onvection | |
| 11. |
Example for a physical pollutant |
| A. | ater |
| B. | ir |
| C. | adiation |
| D. | lant |
| Answer» D. lant | |
| 12. |
The cold feeling that you experience after leaving a swimming pool on a hot, dry, summer day represents heat transfer by: |
| A. | onduction |
| B. | onvection |
| C. | adiation |
| D. | atent heat |
| Answer» E. | |
| 13. |
The book silent spring was written by |
| A. | adhav Gadgil |
| B. | nil Agarwal |
| C. | achel Carson |
| D. | .O.Wilson |
| Answer» D. .O.Wilson | |
| 14. |
Energy transformation through the food chain is |
| A. | egular |
| B. | omfortable |
| C. | roposed |
| D. | nefficient |
| Answer» E. | |
| 15. |
_________ is mixed with petrol for being used in automobiles. |
| A. | asohol |
| B. | ethanol |
| C. | ropanol |
| D. | thanol |
| Answer» E. | |
| 16. |
All forms of water that comes down on Earth, including rain, snow, hail etc. is known as _____________ |
| A. | alcification |
| B. | ixation |
| C. | recipitation |
| D. | ccumulation |
| Answer» D. ccumulation | |
| 17. |
The unit of pressure most commonly found on a surface weather map is: |
| A. | nches of mercury (Hg) |
| B. | illibars or hectopascals |
| C. | ounds per square inch |
| D. | illimeters of mercury (Hg) |
| Answer» C. ounds per square inch | |
| 18. |
The expansion on PQLI is |
| A. | hysical quality of life index |
| B. | opulation quotient of life in India |
| C. | oor quality of life in India |
| D. | overty, quality of life in India |
| Answer» B. opulation quotient of life in India | |
| 19. |
The most endangered ecosystem in India |
| A. | hola forest ecosystem |
| B. | vergreen forest ecosystem |
| C. | ond ecosystem |
| D. | undra Ecosystem |
| Answer» C. ond ecosystem | |
| 20. |
A__________ is formed due to the collection of water in a natural basis or depression in a mountainous area or in plains. |
| A. | ake |
| B. | tream |
| C. | ond |
| D. | pring |
| Answer» B. tream | |
| 21. |
A biodegradable plastic developed by Biopak Corporation Australia |
| A. | iopol |
| B. | et |
| C. | olyester |
| D. | VC |
| Answer» B. et | |
| 22. |
Good urban planning is essential for__________ land use. |
| A. | ational |
| B. | rrational |
| C. | lanned |
| D. | nplanned |
| Answer» B. rrational | |
| 23. |
The order of succession in a hydrosere is |
| A. | ooted aquatic plants-> phytoplankton->Free floating stage->Reed swamp stage->Sedge Meadow stage-> wood land stage-> Climax forest |
| B. | ooted aquatic plants-> phytoplankton->Free floating stage-> Sedge Meadow stage-> Reed swamp stage-> wood land stage-> Climax forest |
| C. | hytoplankton->Rooted aquatic plants->Free floating stage->Reed swamp stage-> wood land stage-> Sedge Meadow stage-> Climax forest |
| D. | hytoplankton->Rooted aquatic plants->Free floating stage->Reed swamp stage->Sedge Meadow stage-> wood land stage-> Climax forest |
| Answer» E. | |
| 24. |
In an aquatic ecosystem, the tropic level equivalent to cows in grasslands is |
| A. | ekton |
| B. | ooplankton |
| C. | hytoplankton |
| D. | enthos |
| Answer» C. hytoplankton | |
| 25. |
The European Union has a permanent ban on the use of__________ in toys. |
| A. | hthalates |
| B. | lay |
| C. | olycarbonate |
| D. | isphenol |
| Answer» B. lay | |
| 26. |
Example for a bio-degradable polymer is |
| A. | olyethylene |
| B. | olypropylene |
| C. | oly lactic acid |
| D. | olyester |
| Answer» D. olyester | |
| 27. |
As the air temperature increases, the air's capacity for water vapour: |
| A. | ncreases |
| B. | ecreases |
| C. | emains constant |
| D. | s unrelated to air temperature and can either increase or decrease |
| Answer» B. ecreases | |
| 28. |
When the air temperature increases, the saturation vapour pressure will: |
| A. | ncrease |
| B. | ecrease |
| C. | emain the same |
| D. | ary over an increasingly broad range of values |
| Answer» B. ecrease | |
| 29. |
If the sun suddenly began emitting more energy, the earth's radiative equilibrium temperature would: |
| A. | ncrease |
| B. | ecrease |
| C. | emain the same |
| D. | egin to oscillate |
| Answer» B. ecrease | |
| 30. |
Which of the following is the best indicator of the actual amount of water vapour in the air? |
| A. | ir temperature |
| B. | aturation vapour pressure |
| C. | elative humidity |
| D. | ew point temperature |
| Answer» E. | |
| 31. |
The ratio of the mass of water vapour in a given volume (parcel) of air to the mass of the remaining dry air describes the: |
| A. | bsolute humidity |
| B. | ixing ratio |
| C. | elative humidity |
| D. | ew point |
| Answer» C. elative humidity | |
| 32. |
Utilisation of natural resources in moderate manner to remaining something for the next generation is termed as |
| A. | esettlement |
| B. | ustainable development |
| C. | ehabilitation |
| D. | utual development |
| Answer» C. ehabilitation | |
| 33. |
The effects of radioactive pollutants depends upon |
| A. | ate of diffusion |
| B. | nergy releasing capacity |
| C. | ate of deposition of the contaminant |
| D. | ll of these |
| Answer» E. | |
| 34. |
What is edge species? |
| A. | he species which occur abundantly in the ecotone |
| B. | pecies on the verge of extinction |
| C. | are species |
| D. | ndemic species |
| Answer» B. pecies on the verge of extinction | |
| 35. |
Dodo is |
| A. | ndangered |
| B. | ritically endangered |
| C. | are |
| D. | xtinct |
| Answer» E. | |
| 36. |
_______ is a cold desert in India. |
| A. | har |
| B. | adakh |
| C. | an of Kutch |
| D. | hopal |
| Answer» C. an of Kutch | |
| 37. |
The phenomenon of occurrence of additional species found in the ecotone or transitional zone between adjoining ecosystems is known as _________ |
| A. | dge effect |
| B. | oot effect |
| C. | aman effect |
| D. | oolidge effect |
| Answer» B. oot effect | |
| 38. |
Who had stated in the Stockholm Conference in 1972 that poverty was the greatest polluter? |
| A. | ndira Gandhi |
| B. | ahatma Gandhi |
| C. | ajiv Gandhi |
| D. | awaharlal Nehru |
| Answer» B. ahatma Gandhi | |
| 39. |
A strong radiation inversion is more likely to occur on a: |
| A. | arm, windy night. |
| B. | ool, windy night. |
| C. | ainy night with light winds. |
| D. | lear night with light winds. |
| Answer» E. | |
| 40. |
Rainfall is measured by an instrument known as |
| A. | eismograph |
| B. | actometer |
| C. | ain gauge |
| D. | anometer |
| Answer» D. anometer | |
| 41. |
Light energy is transformed into chemical energy by |
| A. | hotosynthesis |
| B. | espiration |
| C. | ecycling |
| D. | roductivity |
| Answer» B. espiration | |
| 42. |
Ecology deals with the study of: |
| A. | iving beings |
| B. | iving and non living components |
| C. | eciprocal relationship between living and non living components |
| D. | nvironment |
| Answer» D. nvironment | |
| 43. |
Study of inter-relationship between organisms and their environment is |
| A. | cology |
| B. | cosystem |
| C. | hytogeography |
| D. | thology |
| Answer» B. cosystem | |
| 44. |
Meteorology is considered a branch of: |
| A. | ineralogical sciences |
| B. | henology |
| C. | hrenology |
| D. | tmospheric sciences |
| Answer» E. | |
| 45. |
The biosphere encompasses the total__________ of living material in a region or the globe. |
| A. | iversity of species |
| B. | nimal population |
| C. | hotosynthesis |
| D. | eight |
| Answer» E. | |
| 46. |
All food chains starts with__________ and ends with decay. |
| A. | nvironment |
| B. | rganisms |
| C. | hotosynthesis |
| D. | ungi |
| Answer» D. ungi | |
| 47. |
Which of the following processes acts to remove carbon dioxide from the atmosphere? |
| A. | ightning |
| B. | eforestation |
| C. | hotosynthesis |
| D. | urning fossil fuels |
| Answer» D. urning fossil fuels | |
| 48. |
____________ is one of the most endangered species of Indian birds |
| A. | ee eater |
| B. | aradise fly catcher |
| C. | wl |
| D. | he great Indian bustard |
| Answer» E. | |
| 49. |
The most important reason why summers in the Southern Hemisphere are not warmer than summers in the Northern Hemisphere is that: |
| A. | he earth is closer to the sun in January |
| B. | he earth is farther from the sun in July |
| C. | ver 80% of the Southern Hemisphere is covered with water |
| D. | he sun's energy is less intense in the Southern Hemisphere |
| Answer» D. he sun's energy is less intense in the Southern Hemisphere | |
| 50. |
The response of predator to prey and vice-versa, over ten of thousands of years, produces physical and behavioral changes in a process called |
| A. | o-evolution |
| B. | volution |
| C. | rigin |
| D. | evelopment |
| Answer» B. volution | |