McqMate
These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: All India Pre Medical Test (AIPMT) .
Chapters
| 51. |
Chipko movement is associated with prevention of |
| A. | Air pollution |
| B. | Cutting of trees |
| C. | River pollution |
| D. | Construction of dams |
| Answer» B. Cutting of trees | |
| 52. |
Jhum refers to. |
| A. | Crop Cultivation |
| B. | Social forestry |
| C. | Shifting cultivation |
| D. | Large scale agriculture |
| Answer» C. Shifting cultivation | |
| 53. |
Ultraviolet radiation from sunlight causes a reaction that produces |
| A. | Fluoride |
| B. | CO |
| C. | SO2 |
| D. | Ozone |
| Answer» D. Ozone | |
| 54. |
The biological amplification of DDT in various tropic levels is known as |
| A. | Eutrophication |
| B. | Global warming |
| C. | Biological bloom |
| D. | Biological magnification |
| Answer» D. Biological magnification | |
| 55. |
BOD is related to |
| A. | Detergent |
| B. | Inorganic pollutants |
| C. | Organic pollutants |
| D. | Organophosphorus |
| Answer» C. Organic pollutants | |
| 56. |
CFC’s splits up in stratosphere to release chlorine by the action of.. |
| A. | UVA |
| B. | UVB |
| C. | UVC |
| D. | All of these |
| Answer» B. UVB | |
| 57. |
Noise was recognized as air pollutant through amendment of |
| A. | Environment act |
| B. | the air act |
| C. | Noise act |
| D. | All of above |
| Answer» A. Environment act | |
| 58. |
If there was no CO2 in the earth’s atmosphere, the temperature of earth’s surface would be. CBSE1995 |
| A. | Dependent on amount of O2 in the atmosphere |
| B. | Higher than present |
| C. | Less than present |
| D. | The same |
| Answer» C. Less than present | |
| 59. |
With the help of Electrostatic precipitators how much particulate pollutants can be removed? |
| A. | 50% |
| B. | 99% |
| C. | 40% |
| D. | 100% |
| Answer» B. 99% | |
| 60. |
Enrichment of a water body with organic waste results in sudden algal bloom. This phenomenon is known as |
| A. | Eutrophication |
| B. | Aqua bloom |
| C. | Biological bloom |
| D. | Biological magnification |
| Answer» A. Eutrophication | |
| 61. |
Which of the following is mismatched? |
| A. | Fossil fuel burning - Release of CO2 |
| B. | Nuclear power station - Radioactive waste |
| C. | Solar energy – Green house effect |
| D. | Biomass combustion – Release of CH4 |
| Answer» C. Solar energy – Green house effect | |
| 62. |
Which of the following is not causing pollution? |
| A. | Thermal power plant |
| B. | Nuclear power plant |
| C. | Automobiles |
| D. | Hydroelectric power plant |
| Answer» D. Hydroelectric power plant | |
| 63. |
Soil conservation can be best achieved by having … |
| A. | Wind screen |
| B. | Good plant cover |
| C. | Restricted human activity |
| D. | Low rain fall |
| Answer» B. Good plant cover | |
| 64. |
Biological treatment of water pollution can be done by |
| A. | Lichen |
| B. | Phytoplankton |
| C. | Algae |
| D. | None of these |
| Answer» B. Phytoplankton | |
| 65. |
Eichornia is a… |
| A. | Desert plant |
| B. | Water plant |
| C. | Terrestrial plant |
| D. | Parasitic plant |
| Answer» B. Water plant | |
| 66. |
Who created the Haryana Welfare Club? |
| A. | Ramesh Dagar |
| B. | Sunderlal Bahuguna |
| C. | Ahmad Khan |
| D. | Suresh Dagar |
| Answer» A. Ramesh Dagar | |
| 67. |
What is the major problem of using nuclear energy? |
| A. | Accidental leakage |
| B. | It is very costly |
| C. | Safe Disposal |
| D. | Both A and C |
| Answer» D. Both A and C | |
| 68. |
Which is the recommended depth to burry nuclear waste? |
| A. | 500mt |
| B. | 5000mts |
| C. | 600mts |
| D. | 50mts |
| Answer» A. 500mt | |
| 69. |
Name the natural phenomenon responsible for heating of earth’s surface and atmosphere? |
| A. | Global warming |
| B. | Green house effect |
| C. | Eutrophication |
| D. | Aforestation |
| Answer» B. Green house effect | |
| 70. |
What is the average temperature of earth maintained by green house effect? |
| A. | 15°c |
| B. | 18°c |
| C. | 25°c |
| D. | 30°c |
| Answer» A. 15°c | |
| 71. |
In which form earth ‘s surface reemits heat? |
| A. | UV radiation |
| B. | Infrared radiation |
| C. | Gamma rays |
| D. | rays |
| Answer» D. rays | |
| 72. |
Which gases are commonly known as green house gases? |
| A. | CO2 & CH4 |
| B. | CO2 & NH4 |
| C. | CO & N2 |
| D. | NH4, CO ,SO2 |
| Answer» A. CO2 & CH4 | |
| 73. |
What is correct for the region labeled as a,b,c and d? |
| A. | a- CO2 60% ,b- CH4 20% , c- CFC 14% ,d-N2O 6% |
| B. | a- CFC60% ,b- CH4 20% , c- CO2 14% ,d-N2O 6% |
| C. | a- CFC60% ,b- CO2 20% , c- CH4 14% ,d-N2O 6% |
| D. | a- CFC60% ,b- CH4 20% , c- N2O 14% ,d- CO2 6% |
| Answer» A. a- CO2 60% ,b- CH4 20% , c- CFC 14% ,d-N2O 6% | |
| 74. |
.In the given chart of biological magnification what does a and b indicate? Fish eating birds-DDT -25ppm |
| A. | a=phytoplanktons,b=insects eating bird |
| B. | a= Zooplanktons , b=large fish Small fish-DDT - 0.5ppm |
| C. | a=DDT-0.03ppm,b=DDT-2ppm |
| D. | a=DDT-0.04ppb,b-DDT-2ppb Water- DDT -0.0003ppm |
| Answer» B. a= Zooplanktons , b=large fish Small fish-DDT - 0.5ppm | |
| 75. |
Name the disease caused by water pollution? |
| A. | Polio |
| B. | Typhoid |
| C. | Tuberculosis |
| D. | Leprosy |
| Answer» B. Typhoid | |
| 76. |
Which disease is not caused by water pollution? |
| A. | Cholera |
| B. | Typhoid |
| C. | Tuberculosis |
| D. | Dysentery |
| Answer» C. Tuberculosis | |
| 77. |
Which is the main pollutant content of domestic sewage? |
| A. | Biodegradable organic matter |
| B. | Biodegradable inorganic matter |
| C. | Flurohydro carbons |
| D. | Dissolve salts |
| Answer» A. Biodegradable organic matter | |
| 78. |
What I the result of El Nino Effect? |
| A. | Melting of polar icecap |
| B. | Rise in sea level |
| C. | Melting of Himalayan snow caps |
| D. | All of these |
| Answer» D. All of these | |
| 79. |
What are the reasons for soil erosion and desertification? |
| A. | Over cultivation |
| B. | Unrestricted grazing |
| C. | Deforestation |
| D. | All of these |
| Answer» D. All of these | |
| 80. |
Heavy metals can be defined as elements with density… |
| A. | >5g/cm3 |
| B. | <5g/cm3 |
| C. | <5g/m3 |
| D. | >5g/cm3 |
| Answer» A. >5g/cm3 | |
| 81. |
What should be the forest cover recommended by National forest policy1988? |
| A. | 30% in plains and 76% in hill |
| B. | 33% in plains and 67% in hills |
| C. | 35% in plains and 76% in hills |
| D. | 22% in plains and 70%in hills |
| Answer» B. 33% in plains and 67% in hills | |
| 82. |
Name the community known for its peaceful coexistence with nature? |
| A. | Bishnoi |
| B. | Bikaneries |
| C. | Krishnoi |
| D. | Jhodhapuries |
| Answer» A. Bishnoi | |
| 83. |
Bad ozone is formed in ——— layer of atmosphere ? |
| A. | Troposphere |
| B. | Stratosphere |
| C. | Thermosphere |
| D. | Ozonosphere |
| Answer» A. Troposphere | |
| 84. |
What is snow blindness? |
| A. | Can not see due to Cataract |
| B. | Cannot see in the snow |
| C. | Inflammation of cornea |
| D. | Inflammation of eyeball |
| Answer» C. Inflammation of cornea | |
| 85. |
Which atoms are released by the action of UV rays on CFC? |
| A. | O |
| B. | C |
| C. | Fl |
| D. | Cl |
| Answer» D. Cl | |
| 86. |
In which part of atmosphere degradation of ozone takes place? |
| A. | Troposphere |
| B. | Stratosphere |
| C. | Thermosphere |
| D. | Ozonosphere |
| Answer» B. Stratosphere | |
| 87. |
Measurement of ozone layer is done by ——— unit. |
| A. | Du |
| B. | Db |
| C. | Ds |
| D. | dv |
| Answer» A. Du | |
| 88. |
Formation of ozone gas in upper layer depends on |
| A. | U V ray |
| B. | Infrared |
| C. | gamma rays |
| D. | rays. |
| Answer» A. U V ray | |
| 89. |
In the water of flooded river what type of change is seen in BOD? |
| A. | Increase |
| B. | Decreases |
| C. | Remains same |
| D. | Drastic decrease |
| Answer» A. Increase | |
| 90. |
The death of fishes due to Eutrophication is because of |
| A. | Increase O2 content |
| B. | Decrease CO2 content |
| C. | Decrease O2 content |
| D. | ) Increase CO2 content |
| Answer» C. Decrease O2 content | |
| 91. |
When huge amount of sewage is dumped in a river the BOD will |
| A. | Increase |
| B. | Decreases |
| C. | Remains same |
| D. | Drastic decrease |
| Answer» A. Increase | |
| 92. |
The Montreal protocol was made effective from.. |
| A. | 1987 |
| B. | 1989 |
| C. | 1976 |
| D. | 1986 |
| Answer» B. 1989 | |
| 93. |
What do you understand by greenhouse effect? |
| A. | Increase in temperature due to increase in O2 concentration of the atmosphere |
| B. | Decrease in temperature due to decrease in O2 concentration of the atmosphere |
| C. | Increase in temperature due to increase in CO2 concentration of the atmosphere |
| D. | Decrease in temperature due to decrease in CO2 concentration of the atmosphere |
| Answer» C. Increase in temperature due to increase in CO2 concentration of the atmosphere | |
| 94. |
In which sphere of atmosphere the ozone layer is seen? |
| A. | Troposphere |
| B. | Stratosphere |
| C. | Homosphere |
| D. | Thermosphere |
| Answer» B. Stratosphere | |
| 95. |
The release of phosphates and nitrates in lakes and ponds leads to |
| A. | Reduce algal growth |
| B. | Eutrophication |
| C. | Nutrient enrichment |
| D. | Both B and C |
| Answer» D. Both B and C | |
| 96. |
Deforestation has an alarming effect on |
| A. | Soil erosion |
| B. | increase in grazing area |
| C. | weed control |
| D. | All of these |
| Answer» A. Soil erosion | |
| 97. |
Amruta Devi Bishnoi Wild life Protection award has recently instituted for |
| A. | Extraordinary courage and dedication in protecting wildlife |
| B. | Extraordinary courage and dedication in protecting plants |
| C. | Extraordinary courage and dedication in protecting wild animals |
| D. | Extraordinary courage and dedication in Protecting Environment |
| Answer» A. Extraordinary courage and dedication in protecting wildlife | |
| 98. |
Which is the main factor of water pollution? |
| A. | Ammonia |
| B. | Smog |
| C. | detergents |
| D. | None of these |
| Answer» D. None of these | |
| 99. |
Which one of these has highest levels of DDT deposition? |
| A. | Eel |
| B. | Phytoplankton’s |
| C. | Sea gull, Eagle |
| D. | Crab |
| Answer» C. Sea gull, Eagle | |
| 100. |
Exhaust of motor vehicles produces pollutants like |
| A. | CO |
| B. | Hydrocarbons |
| C. | SO2 |
| D. | All of these |
| Answer» D. All of these | |
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