MCQOPTIONS
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MCQOPTIONS
This section includes 1049 Mcqs, each offering curated multiple-choice questions to sharpen your General Knowledge knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
World environment day is on: |
| A. | 5th May |
| B. | 5th June |
| C. | 18th July |
| D. | 16th August |
| Answer» C. 18th July | |
| 2. |
The two major impacts expected as a result of rising global temperatures are |
| A. | Higher water levels in lakes and streams but more consistent flooding patterns |
| B. | Regional climatic changes and a rise in sea level |
| C. | Longer summers and drier winters |
| D. | Low water levels in lakes and streams and larger floodplains. |
| Answer» C. Longer summers and drier winters | |
| 3. |
What are the consequences of excessive mining in an area? |
| A. | Air and water pollution |
| B. | Deforestation |
| C. | Migration of large numbers of population |
| D. | All of the above |
| Answer» E. | |
| 4. |
Which of the following is an example of a man-made ecosystem |
| A. | Tissue culture |
| B. | Herbarium |
| C. | Aquarium |
| D. | Forest |
| Answer» D. Forest | |
| 5. |
Sustainable development means |
| A. | meeting present needs without compromising on future needs |
| B. | progress of human beings |
| C. | balance between human needs and the ability of earth to provide the resources |
| D. | all of the above |
| Answer» D. all of the above | |
| 6. |
Which of the following is a problem not associated with population growth? |
| A. | Increased resource consumption |
| B. | Environmental pollution |
| C. | Food and energy shortages |
| D. | None of these |
| Answer» E. | |
| 7. |
The word ‘Environment’ is derived from |
| A. | Greek |
| B. | French |
| C. | Spanish |
| D. | English |
| Answer» C. Spanish | |
| 8. |
Hydrarch succession takes place in |
| A. | Dry areas |
| B. | Bare area |
| C. | Wetter areas |
| D. | None of the above |
| Answer» D. None of the above | |
| 9. |
The average life expectancy around the world is currently |
| A. | Stable |
| B. | Increasing |
| C. | Decreasing |
| D. | Not changing |
| Answer» C. Decreasing | |
| 10. |
Which is a list of renewable resources? |
| A. | Petroleum, geothermal, wind |
| B. | Biomass, geothermal, hydropower |
| C. | Natural gas, wind, biomass |
| D. | Hydropower, solar, wind energy |
| Answer» E. | |
| 11. |
The zero population growth due to equal birth and death rates is called |
| A. | Fertility rate |
| B. | Replacement level |
| C. | Natural increase |
| D. | Demographic transition |
| Answer» E. | |
| 12. |
July 11 is |
| A. | World Environment Day |
| B. | World Population Day |
| C. | World AIDS Day |
| D. | World Education Day |
| Answer» C. World AIDS Day | |
| 13. |
The second trophic level in a lake is |
| A. | Phytoplankton |
| B. | Zooplanktons |
| C. | Fishes |
| D. | Benthos |
| Answer» C. Fishes | |
| 14. |
Number of births per 1000 is |
| A. | Growth rate |
| B. | Conception rate |
| C. | Reproduction rate |
| D. | Crude birth rate |
| Answer» E. | |
| 15. |
A resource that cannot be replaced in a reasonably short time is usually referred to as |
| A. | Renewable |
| B. | Non-renewable |
| C. | Natural |
| D. | Man made |
| Answer» C. Natural | |
| 16. |
Population pyramids are useful to |
| A. | Express the population growth rates |
| B. | Indicate the birth rates |
| C. | Indicate the death rates |
| D. | Express age – sex distribution of a population |
| Answer» E. | |
| 17. |
Possible health effects of noise pollution includes |
| A. | Hearing loss |
| B. | Hypertension |
| C. | Cardiovascular effects |
| D. | All of the above |
| Answer» E. | |
| 18. |
In India, human population has higher number of younger age group because of |
| A. | Long life span and low birth rate |
| B. | Short life span and high birth rate |
| C. | Short life span and low birth rate |
| D. | Birth rate is equal to death rate |
| Answer» C. Short life span and low birth rate | |
| 19. |
Which of these belong to the category of primary consumers in grazing food chain |
| A. | snakes and frogs |
| B. | Insects and cattle |
| C. | Eagle and snakes |
| D. | Cow and rabbit |
| Answer» E. | |
| 20. |
Formation of hole in Ozone is maximum over |
| A. | India |
| B. | Europe |
| C. | Antarctica |
| D. | Africa |
| Answer» D. Africa | |
| 21. |
Sustainable development will not aim at |
| A. | Social economic development which optimizes the economic and social benefits available in the present, without spoiling the likely potential for similar benefits in the future |
| B. | Reasonable and equally distributed level of economic well-being that can be perpetuated continually |
| C. | Development that meets the needs of the present without compromising the needs of future generations to meet their own needs |
| D. | Maximizing the present day benefits through increased resource consumption |
| Answer» D. Maximizing the present day benefits through increased resource consumption | |
| 22. |
Today, the world’s number one problem is: |
| A. | Pollution |
| B. | Population explosion |
| C. | Nuclear proliferation |
| D. | Natural calamities |
| Answer» C. Nuclear proliferation | |
| 23. |
Exponential growth in population occurs when there is |
| A. | A great environment resistance |
| B. | No environment resistance |
| C. | A fixed carrying capacity |
| D. | No biotic potential |
| Answer» C. A fixed carrying capacity | |
| 24. |
Which of the following can act as a pioneer species in a xerach succession |
| A. | Lichens |
| B. | Humans |
| C. | Herbs |
| D. | Animals |
| Answer» B. Humans | |
| 25. |
Greenhouse effect is linked to |
| A. | Nitrogen oxides |
| B. | Sulphur dioxides |
| C. | Carbon dioxides |
| D. | Carbon monoxides |
| Answer» D. Carbon monoxides | |
| 26. |
The supersonic jets cause air pollution by the thinning of |
| A. | Carbon dioxide layer |
| B. | Sulphur dioxide layer |
| C. | Ozone layer |
| D. | Oxygen layer |
| Answer» D. Oxygen layer | |
| 27. |
Which of these organisms has a diet consisting only of plant matter |
| A. | Omnivores |
| B. | Carnivores |
| C. | Herbivores |
| D. | Insectivores |
| Answer» D. Insectivores | |
| 28. |
A common bactericide used in swimming pools is |
| A. | Chlorine |
| B. | Alum |
| C. | Borax |
| D. | DDT |
| Answer» B. Alum | |
| 29. |
The carrying capacity of a population is determined by |
| A. | Population growth rate |
| B. | Natality |
| C. | Mortality |
| D. | Limiting resources |
| Answer» E. | |
| 30. |
What would you do to prevent environmental damage |
| A. | Plant trees |
| B. | Halt deforestation |
| C. | Control pollution |
| D. | All of the above |
| Answer» E. | |
| 31. |
Biosphere is |
| A. | The solid shell of inorganic materials on the surface of the earth |
| B. | The thin shell of organic matter on the surface of the earth comprising of all the living things |
| C. | The sphere which occupies the maximum volume of all the spheres |
| D. | All the above |
| Answer» C. The sphere which occupies the maximum volume of all the spheres | |
| 32. |
Resources which are directly derived from nature are referred to as |
| A. | Organic resources |
| B. | Natural resources |
| C. | Manmade resources |
| D. | None of the above |
| Answer» C. Manmade resources | |
| 33. |
Unrestricted reproductive capacity, in a population, is called |
| A. | Birth rate |
| B. | Carrying capacity |
| C. | Fertility rate |
| D. | Biotic potential |
| Answer» E. | |
| 34. |
The fossil fuel that is derived from the dead remains of plants that grew some 250 million years ago is |
| A. | Petroleum |
| B. | Natural gas |
| C. | Coal |
| D. | LPG |
| Answer» D. LPG | |
| 35. |
Energy in the rays from the sun is called |
| A. | Solar energy |
| B. | Wind energy |
| C. | Tidal energy |
| D. | Water energy |
| Answer» B. Wind energy | |
| 36. |
Which of the following are major causes of land degradation? |
| A. | Soil erosion |
| B. | Water logging |
| C. | Deforestation |
| D. | Desertification |
| Answer» D. Desertification | |
| 37. |
The species restricted to be present in one region are called |
| A. | Edge species |
| B. | Endemic species |
| C. | Endangered species |
| D. | Keystone species |
| Answer» C. Endangered species | |
| 38. |
Pollutants that are easily manageable and decomposable in nature are called |
| A. | Biodegradable pollutants |
| B. | Non-biodegradable pollutants |
| C. | Renewable pollutants |
| D. | None of these |
| Answer» B. Non-biodegradable pollutants | |
| 39. |
The term ‘Environment’ has been derived from the French word which means to encircle or surround |
| A. | Environ |
| B. | Oikos |
| C. | Geo |
| D. | Aqua |
| Answer» B. Oikos | |
| 40. |
The final stable community in ecological succession is |
| A. | Climax |
| B. | Pioneer |
| C. | Sere |
| D. | Carnivores |
| Answer» B. Pioneer | |
| 41. |
Which of the following are consequences of ozone depletion |
| A. | Skin cancer and cataract |
| B. | Reduced growth in plants |
| C. | Shortening of zooplanktons and their breeding period |
| D. | All of the above |
| Answer» B. Reduced growth in plants | |
| 42. |
Energy from the heat inside the earth is |
| A. | Natural gas |
| B. | Geothermal |
| C. | Petroleum |
| D. | Terrathermal |
| Answer» C. Petroleum | |
| 43. |
Which gas is responsible for ozone layer depletion around earth? |
| A. | Carbon dioxide |
| B. | Chlorofluorocarbons |
| C. | Oxygen |
| D. | Nitrogen oxide |
| Answer» C. Oxygen | |
| 44. |
The solar radiation that bounces off the earth back towards the atmosphere is mostly |
| A. | Gamma radiation |
| B. | X-ray radiation |
| C. | Ultraviolet radiation |
| D. | Infrared radiation |
| Answer» E. | |
| 45. |
Which of these is not a fossil fuel? |
| A. | Coal |
| B. | Oil |
| C. | Natural gas |
| D. | Uranium |
| Answer» E. | |
| 46. |
The impact of construction of dams |
| A. | Submerged forest |
| B. | Loss of wild life habitat |
| C. | Damages downstream ecosystem |
| D. | All of the above |
| Answer» E. | |
| 47. |
If in a population, natality is balanced by mortality, then there will be |
| A. | Decrease in population growth |
| B. | Increase in population growth |
| C. | Zero population growth |
| D. | Over population |
| Answer» D. Over population | |
| 48. |
The disease which wiped out 33% of population of Europe in the 12th and 13th centuries was |
| A. | Cholera |
| B. | Meningitis |
| C. | Plague |
| D. | Diphtheria |
| Answer» D. Diphtheria | |
| 49. |
Ex-situ conservation includes |
| A. | Zoo |
| B. | Botanical Garden |
| C. | Germplasm Bank |
| D. | All of the above |
| Answer» E. | |
| 50. |
The number of babies produced per thousand individuals is called |
| A. | Natality |
| B. | Mortality |
| C. | Immigration |
| D. | Emigration |
| Answer» B. Mortality | |