McqMate
These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: Bachelor of Science in Environmental Science (BSC es) .
| 1. |
In an ecotone, the species which become abundant are called: |
| A. | Edge species |
| B. | Keystone species |
| C. | Endemic species |
| D. | Foster species |
| Answer» A. Edge species | |
| 2. |
The objective of Environment studies is |
| A. | Raise consciousness about environment conditions |
| B. | To teach environmentally appropriate behavior |
| C. | Create an environmental ethic sensitive society |
| D. | All of the above |
| Answer» D. All of the above | |
| 3. |
Which of the following is not influenced by human activities? |
| A. | Destruction of mangroves and wetlands |
| B. | Depletion of ground water |
| C. | Increased extinction rate of species |
| D. | None of the above |
| Answer» D. None of the above | |
| 4. |
Which of the following is management option for air pollution? |
| A. | Regulations and standards |
| B. | Transport planning |
| C. | Using CNG as fuel |
| D. | All of these |
| Answer» D. All of these | |
| 5. |
Development activities on the hydrosphere cause |
| A. | Air pollution |
| B. | Soil pollution |
| C. | Water pollution |
| D. | Soil erosion |
| Answer» C. Water pollution | |
| 6. |
The species restricted to be present in one region are called |
| A. | Edge species |
| B. | Endemic species |
| C. | Endangered species |
| D. | Keystone species |
| Answer» B. Endemic species | |
| 7. |
The basic requirements of human beings are provided by |
| A. | Industrialization |
| B. | Agriculture |
| C. | Nature |
| D. | Urbanization |
| Answer» C. Nature | |
| 8. |
Environment is the life support system that includes |
| A. | Air |
| B. | Water |
| C. | Land |
| D. | All of the above |
| Answer» D. All of the above | |
| 9. |
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» A. Environ | |
| 10. |
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» B. The thin shell of organic matter on the surface of the earth comprising of all the living things | |
| 11. |
Atmosphere consists of 79 percent Nitrogen and 21 percent Oxygen by |
| A. | Volume |
| B. | Weight |
| C. | Density |
| D. | All of these |
| Answer» B. Weight | |
| 12. |
The word ‘Environment’ is derived from |
| A. | Greek |
| B. | French |
| C. | Spanish |
| D. | English |
| Answer» B. French | |
| 13. |
Which among the following is a climatic factor? |
| A. | pressure |
| B. | humidity |
| C. | temperature |
| D. | all of the above |
| Answer» D. all of the above | |
| 14. |
World environment day is on: |
| A. | 5th May |
| B. | 5th June |
| C. | 18th July |
| D. | 16th August |
| Answer» B. 5th June | |
| 15. |
Which of the following are major environmental issues involved in mining? |
| A. | air pollution |
| B. | water pollution |
| C. | soil degradation |
| D. | all of the above |
| Answer» D. all of the above | |
| 16. |
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» C. balance between human needs and the ability of earth to provide the resources | |
| 17. |
The most important remedy to avoid negative impact due to industrialization is |
| A. | industry should be closed |
| B. | don’t allow new industrial units |
| C. | industry should treat all the wastes generated by it before disposal |
| D. | industries should be shifted far away from human habitats |
| Answer» C. industry should treat all the wastes generated by it before disposal | |
| 18. |
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» C. Development that meets the needs of the present without compromising the needs of future generations to meet their own needs | |
| 19. |
The adverse effect of modern agriculture is |
| A. | Water pollution |
| B. | Soil degradation |
| C. | Water logging |
| D. | All of the above |
| Answer» B. Soil degradation | |
| 20. |
Soil erosion removes surface soil which contains |
| A. | Organic matter |
| B. | Plant nutrients |
| C. | Both a and b |
| D. | none of the above |
| Answer» A. Organic matter | |
| 21. |
Water logging is a phenomenon in which |
| A. | Crop patterns are rotated |
| B. | Soil root zone becomes saturated due to over irrigation |
| C. | Erosion of soil |
| D. | None of the above |
| Answer» B. Soil root zone becomes saturated due to over irrigation | |
| 22. |
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» D. All of the above | |
| 23. |
What would you do to prevent environmental damage |
| A. | Plant trees |
| B. | Halt deforestation |
| C. | Control pollution |
| D. | All of the above |
| Answer» D. All of the above | |
| 24. |
Environmental impact assessment |
| A. | is the study of feasibility of a project |
| B. | is a study of bio-physical characteristics of the environment that may result from a human action |
| C. | Both a and b |
| D. | None of the above |
| Answer» B. is a study of bio-physical characteristics of the environment that may result from a human action | |
| 25. |
Which of the following is the most environmental friendly agricultural practice? |
| A. | Using chemical fertilizers |
| B. | Using insecticides |
| C. | Organic farming |
| D. | None of the above |
| Answer» C. Organic farming | |
| 26. |
A herbivore is also known as a |
| A. | Producer |
| B. | First order consumer |
| C. | Second order consumer. |
| D. | Third order consumer |
| Answer» B. First order consumer | |
| 27. |
A product of photosynthesis is |
| A. | Carbon dioxide |
| B. | Water |
| C. | Oxygen |
| D. | Chlorophyll |
| Answer» C. Oxygen | |
| 28. |
Primary source of energy in a food web is/are |
| A. | Green plants |
| B. | Sun |
| C. | Inorganic nutrients |
| D. | Animals |
| Answer» B. Sun | |
| 29. |
A group of living organisms of the same kind living in the same place and at the same time refers to a |
| A. | Community |
| B. | Species |
| C. | Population |
| D. | Consumers |
| Answer» C. Population | |
| 30. |
Which of these organisms has a diet consisting only of plant matter |
| A. | Omnivores |
| B. | Carnivores |
| C. | Herbivores |
| D. | Insectivores |
| Answer» C. Herbivores | |
| 31. |
The true end of any food chain is the |
| A. | Decomposer |
| B. | Predator |
| C. | Consumer |
| D. | Human |
| Answer» A. Decomposer | |
| 32. |
The second trophic level in a lake is |
| A. | Phytoplankton |
| B. | Zooplanktons |
| C. | Fishes |
| D. | Benthos |
| Answer» B. Zooplanktons | |
| 33. |
Which of the following can act as a pioneer species in a xerach succession |
| A. | Lichens |
| B. | Humans |
| C. | Herbs |
| D. | Animals |
| Answer» A. Lichens | |
| 34. |
Energy flow in an ecosystem is |
| A. | Bidirectional |
| B. | Unidirectional |
| C. | Multidirectional |
| D. | All rounds |
| Answer» B. Unidirectional | |
| 35. |
Which of the following is an example of a man-made ecosystem |
| A. | Tissue culture |
| B. | Herbarium |
| C. | Aquarium |
| D. | Forest |
| Answer» C. Aquarium | |
| 36. |
Pyramid of energy in a pond ecosystem is always |
| A. | Inverted |
| B. | Upright |
| C. | Linear |
| D. | Irregular |
| Answer» B. Upright | |
| 37. |
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» C. Zero population growth | |
| 38. |
In a pyramid of numbers in grassland ecosystems, the largest population is that of |
| A. | Herbivores |
| B. | Primary consumers |
| C. | Secondary consumer |
| D. | Producers |
| Answer» A. Herbivores | |
| 39. |
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» D. Cow and rabbit | |
| 40. |
The pyramid of energy is always upright for any ecosystem, this situation indicates that |
| A. | Herbivores have better energy conversion efficiency than carnivores |
| B. | Producers have the lowest energy conversion efficiency |
| C. | Carnivores have a better energy conversion efficacy than herbivores |
| D. | Energy conversion efficiency is same at all trophic levels |
| Answer» D. Energy conversion efficiency is same at all trophic levels | |
| 41. |
Which of the ecological pyramid is always upright |
| A. | Pyramid of numbers |
| B. | Pyramid of biomass |
| C. | Pyramid of energy |
| D. | All of the above |
| Answer» C. Pyramid of energy | |
| 42. |
Which one of the following is not a gaseous biogeochemical cycle |
| A. | Nitrogen cycle |
| B. | Carbon cycle |
| C. | Sulphur cycle |
| D. | Phosphorus cycle |
| Answer» D. Phosphorus cycle | |
| 43. |
Deserts, grasslands, forests and tundra regions are the examples of |
| A. | Biomes |
| B. | Biogeographically regions |
| C. | Ecosystems |
| D. | Biospheres |
| Answer» C. Ecosystems | |
| 44. |
The upright pyramid of numbers is absent in |
| A. | Lake |
| B. | Pond |
| C. | Grasslands |
| D. | Forests |
| Answer» D. Forests | |
| 45. |
The final stable community in ecological succession is |
| A. | Climax |
| B. | Pioneer |
| C. | Sere |
| D. | Carnivores |
| Answer» A. Climax | |
| 46. |
Mass of living matter at a trophic level in an area at any given time is called |
| A. | Standing state |
| B. | Standing crop |
| C. | Humus |
| D. | Detritus |
| Answer» B. Standing crop | |
| 47. |
Hydrarch succession takes place in |
| A. | Dry areas |
| B. | Bare area |
| C. | Wetter areas |
| D. | None of the above |
| Answer» C. Wetter areas | |
| 48. |
Which of the following is a fossil fuel? |
| A. | Oil |
| B. | Coal |
| C. | Natural gas |
| D. | All of the above |
| Answer» B. Coal | |
| 49. |
Which of the following is not an inexhaustible form of energy? |
| A. | Water |
| B. | Wind |
| C. | Solar |
| D. | Fossil |
| Answer» C. Solar | |
| 50. |
Biogas contains mainly |
| A. | Methane |
| B. | Propane |
| C. | Butane |
| D. | Carbon dioxide |
| Answer» A. Methane | |
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