MCQOPTIONS
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MCQOPTIONS
This section includes 434 Mcqs, each offering curated multiple-choice questions to sharpen your Civil Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Hot spot areas have: |
| A. | Low density of biodiversity |
| B. | Only endangered plants |
| C. | High density of hot springs |
| D. | High density of biodiversity |
| Answer» E. | |
| 2. |
The activities of cultivation of land, timber harvesting is permitted in: |
| A. | Sanctuaries |
| B. | National Parks |
| C. | Biosphere Reserves |
| D. | Protected Areas |
| Answer» B. National Parks | |
| 3. |
The area of National Parks range between: |
| A. | 0.61 to 7818 kms |
| B. | 0.04 to 3162 kms |
| C. | 0.14 to 3612 kms |
| D. | 0.16 to 8718 kms |
| Answer» C. 0.14 to 3612 kms | |
| 4. |
Utilized energy by herbivores, known as |
| A. | Second trophic level |
| B. | Tertiary Consumers |
| C. | Secondary Consumers |
| D. | Primary Consumers |
| Answer» B. Tertiary Consumers | |
| 5. |
How many percent of the world’s species found in India? |
| A. | Around 7.8% |
| B. | Around 10.5% |
| C. | Around 12.4% |
| D. | Around 15.7% |
| Answer» B. Around 10.5% | |
| 6. |
Which biome has a moderate total annual rainfall betwwen 500-1000mm? |
| A. | Tiaga |
| B. | Monsoon Forests |
| C. | Coniferous |
| D. | Savanna |
| Answer» E. | |
| 7. |
The forest floor of a Taiga is covered by a thick |
| A. | Carpet of dead needles |
| B. | Snow |
| C. | Dead leaves |
| D. | Bushes |
| Answer» B. Snow | |
| 8. |
What chemical reaction takes place when chemicals from rocks dissolved in water ? |
| A. | Chemical Weathering |
| B. | Physical weathering |
| C. | Weathering |
| D. | Rock cycle |
| Answer» B. Physical weathering | |
| 9. |
Which areas is at risk of desertificaion? |
| A. | Semi arid regions |
| B. | Arid regions |
| C. | Tropical Rain Forest |
| D. | Monsoon |
| Answer» B. Arid regions | |
| 10. |
Little vegetation survives in the hot deserts of Sahara and Middle east due to |
| A. | high temperature |
| B. | away from equator |
| C. | low rain fall |
| D. | All of these |
| Answer» E. | |
| 11. |
A change in inherited characteristics of population from generation to generation is known as |
| A. | Biological Evolution |
| B. | Biodiversity |
| C. | Diversity |
| D. | Ecological system |
| Answer» B. Biodiversity | |
| 12. |
When brazil launched its National Alcohol Progremme? |
| A. | 1975 |
| B. | 1987 |
| C. | 1965 |
| D. | 1999 |
| Answer» B. 1987 | |
| 13. |
What is the rainfall in the deserts? |
| A. | less than 250mm |
| B. | more than 250mm |
| C. | 80mm |
| D. | 100mm |
| Answer» B. more than 250mm | |
| 14. |
What is the maximum height of tundra plants above surface? |
| A. | 2 meter |
| B. | Half meter |
| C. | 1 meter |
| D. | 4 meter |
| Answer» C. 1 meter | |
| 15. |
What are the characteristics of tropical rain forest? |
| A. | Straight Trunks and thin barks |
| B. | large leaves |
| C. | Thones and bushes |
| D. | Conical shapes |
| Answer» B. large leaves | |
| 16. |
In which biome 90% of the biomass consists of evergreen trees? |
| A. | Mooson |
| B. | Equitorial |
| C. | Tropical Rain Forest |
| D. | Taiga |
| Answer» D. Taiga | |
| 17. |
Why soil erosion is speeding up? |
| A. | Wind |
| B. | Due to bad farming |
| C. | water |
| D. | Natural Disasters |
| Answer» C. water | |
| 18. |
Which desert plants has sunken stomata, which close their opening during day time to reduce water loss? |
| A. | Succulents |
| B. | Acacia |
| C. | Clumps |
| D. | Cacti |
| Answer» B. Acacia | |
| 19. |
Vaccines are used in plants to stop |
| A. | Viral Plant disease |
| B. | Disease |
| C. | Insects |
| D. | Weeds |
| Answer» B. Disease | |
| 20. |
In 1990s, approximate net loss in forest zone: |
| A. | 740 000 km² |
| B. | 640 000 km² |
| C. | 1040 000 km² |
| D. | 940 000 km² |
| Answer» E. | |
| 21. |
The Jim Corbett National Park is famous for notable man-eaters _________________ |
| A. | Leopard |
| B. | Tiger |
| C. | Bear |
| D. | Lion |
| Answer» B. Tiger | |
| 22. |
How many levels of planning are used for the biogeographical classification in India? |
| A. | One |
| B. | Two |
| C. | Three |
| D. | Four |
| Answer» E. | |
| 23. |
In India, how many groups of islands are there? |
| A. | One |
| B. | Two |
| C. | Three |
| D. | Four |
| Answer» C. Three | |
| 24. |
In mid latitudes, removal of forest cover involved: in providing room for |
| A. | Horticulture |
| B. | Industries |
| C. | Agriculture |
| D. | Farming |
| Answer» C. Agriculture | |
| 25. |
In the savanna glassland the tree gowth is |
| A. | High |
| B. | Low |
| C. | Medium |
| D. | Both low and high |
| Answer» C. Medium | |
| 26. |
In terms of the number of threatened mammals, what is India’s rank in the world? |
| A. | First |
| B. | Second |
| C. | Third |
| D. | Fourth |
| Answer» E. | |
| 27. |
What is the loose material on the surface of earth? |
| A. | Core |
| B. | Mantle |
| C. | Soil |
| D. | Clay |
| Answer» D. Clay | |
| 28. |
The removal of soluble minerals and organic matters from the top soil by rain water is known as |
| A. | Leaching |
| B. | Decomposing |
| C. | Transpiration |
| D. | Draining |
| Answer» B. Decomposing | |
| 29. |
What is the function of broad leaves of the tall trees? |
| A. | Absorb more sunlight |
| B. | Absorb humidity from the atmosphere |
| C. | Manufacturing of food |
| D. | All of these |
| Answer» B. Absorb humidity from the atmosphere | |
| 30. |
Who introduced the term hotspot of diversity? |
| A. | Darwin |
| B. | McLean |
| C. | Mike Housie |
| D. | Myers |
| Answer» E. | |
| 31. |
Frost action is a type of |
| A. | Cooling and heating |
| B. | Rock weathering |
| C. | Rock breakdown |
| D. | Minerals |
| Answer» C. Rock breakdown | |
| 32. |
What does 'plate' form ? |
| A. | Divergent plate boundary |
| B. | Convergent plate boundary |
| C. | Hydrosphere |
| D. | Transform fault boundary |
| Answer» E. | |
| 33. |
Temperate and cold climates includes |
| A. | Equatorial |
| B. | Savanna |
| C. | Cool temperate interior and tundra climates |
| D. | Monsoon |
| Answer» D. Monsoon | |
| 34. |
In which rain forest, the fastest and largest nutrient cycling system is found? |
| A. | Tropical Rain Forest |
| B. | Savanna |
| C. | Tundra |
| D. | Cool Temperate |
| Answer» B. Savanna | |
| 35. |
North of the equator current circulations are mainly |
| A. | Clockwise |
| B. | Anti-clockwise |
| C. | Both a and b |
| D. | Semi-Clockwise |
| Answer» B. Anti-clockwise | |
| 36. |
Why commercial logging is less easy in tropical than in temperate forests? |
| A. | Because the hardwood trees are of greatest value |
| B. | Less value |
| C. | More money |
| D. | Productivity |
| Answer» B. Less value | |
| 37. |
Which logging involves taking only mature hardwoods? |
| A. | Agro-Forestry |
| B. | Selective logging |
| C. | Logging |
| D. | Deforestation |
| Answer» C. Logging | |
| 38. |
Which country produced 99.6 million tones of nuclear energy? |
| A. | Canada |
| B. | Germany |
| C. | France |
| D. | USA |
| Answer» D. USA | |
| 39. |
Biofuels are |
| A. | Carbon Neutral |
| B. | Hydrogen Neutral |
| C. | CO₂ Neutral |
| D. | Co neutral |
| Answer» B. Hydrogen Neutral | |
| 40. |
Which two gases are most responsible for greenhouse effect ? |
| A. | Water vapour |
| B. | Carbon dioxide |
| C. | Argon |
| D. | Both a and b |
| Answer» E. | |
| 41. |
Plants readily takes up |
| A. | Nitrites |
| B. | Nitrates |
| C. | Nitrogenoxide |
| D. | All of these |
| Answer» C. Nitrogenoxide | |
| 42. |
What increases the humus content of the soil? |
| A. | Plants |
| B. | Grass |
| C. | Wheat |
| D. | Cotton |
| Answer» C. Wheat | |
| 43. |
During which season the savanna grass grow fast? |
| A. | Dry season |
| B. | Wet Season |
| C. | Wet and Dry Season |
| D. | Hot Season |
| Answer» C. Wet and Dry Season | |
| 44. |
Soil erosion nd slinization are two process that results into |
| A. | Desertification |
| B. | Deforestation |
| C. | Urbanization |
| D. | Eutrophication |
| Answer» B. Deforestation | |
| 45. |
In the life filled oceans, oxygen is generated and carbon dioxide is |
| A. | Absorbed |
| B. | Liberated |
| C. | increased |
| D. | Decreased |
| Answer» B. Liberated | |
| 46. |
What percent of nuclear energy contributed to the total world commercial energy consumption in 2007? |
| A. | 5-6% |
| B. | 4-5% |
| C. | 5-8% |
| D. | 2-3% |
| Answer» B. 4-5% | |
| 47. |
Asia uses what percentage of water for agricultural purpose? |
| A. | 85% |
| B. | 88% |
| C. | 80% |
| D. | 81% |
| Answer» B. 88% | |
| 48. |
India is called as a mega diversity country. |
| A. | True |
| B. | False |
| C. | May be True or False |
| D. | Can't say |
| Answer» B. False | |
| 49. |
How many basic constituent is found in soil? |
| A. | 3 |
| B. | 2 |
| C. | 6 |
| D. | 4 |
| Answer» E. | |
| 50. |
What does free nitrogen make 80% of earth ? |
| A. | Lithosphere |
| B. | Atmosphere |
| C. | Mantle |
| D. | Core |
| Answer» C. Mantle | |