MCQOPTIONS
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MCQOPTIONS
This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The sub layer is known as |
| A. | B Horizon |
| B. | C horizon |
| C. | topsoil |
| D. | A horizon |
| Answer» B. C horizon | |
| 2. |
Oil palm and rubber provides |
| A. | Productivity |
| B. | Profit |
| C. | Food |
| D. | Income and shelters for the small crops |
| Answer» E. | |
| 3. |
Rate of forest increase of about |
| A. | 50 000 km² per year |
| B. | 20 000 km² per year |
| C. | 60 000 km² per year |
| D. | 70 000 km² per year |
| Answer» B. 20 000 km² per year | |
| 4. |
The topsoil is made of the decomposition of |
| A. | Waste |
| B. | Plant and Animals |
| C. | Hazardous Material |
| D. | Liquids |
| Answer» C. Hazardous Material | |
| 5. |
Using grass as one crop in a system of rotation because it maintains a |
| A. | Surface cover |
| B. | Vegetation cover |
| C. | Fertility |
| D. | Soil maintainence |
| Answer» B. Vegetation cover | |
| 6. |
Which forest remains hot all the year? |
| A. | Tropical Rain Forest |
| B. | Tundra |
| C. | Deserts |
| D. | Taiga forests |
| Answer» B. Tundra | |
| 7. |
Which continent is renowned for their animal life? |
| A. | America |
| B. | Africa |
| C. | Asia |
| D. | Europe |
| Answer» C. Asia | |
| 8. |
Convention on biological diversity, aims to preserve the worlds |
| A. | Population |
| B. | Biodiversity |
| C. | Tourism |
| D. | Ecosystem |
| Answer» C. Tourism | |
| 9. |
What is used for agricultural improvements? |
| A. | Crop yield |
| B. | Mechanization |
| C. | Capital |
| D. | Fertilizers |
| Answer» D. Fertilizers | |
| 10. |
The ability of soil to supply nutrients to the plants is known as |
| A. | Nutrients |
| B. | Food |
| C. | Aeration |
| D. | Photosynthesis |
| Answer» B. Food | |
| 11. |
What is involved in manufacturing of protein and DNA ? |
| A. | Nitrogen |
| B. | Phosphorous |
| C. | Carbon |
| D. | Oxygen |
| Answer» B. Phosphorous | |
| 12. |
Which countries landscapes are dominated by coniferous trees? |
| A. | Canada and America |
| B. | Pakistan India and Afghanistan |
| C. | South and South East Africa |
| D. | Canada, Scandinavia and Russia Siberia |
| Answer» E. | |
| 13. |
What are the examples of coniferous trees? |
| A. | Grasses |
| B. | Fir, Pine and Spruce |
| C. | Tropical trees |
| D. | Fruite trees |
| Answer» C. Tropical trees | |
| 14. |
Which one of the following is not the outcome of man-wildlife conflict? |
| A. | Damage to human property |
| B. | Increase in the forest area |
| C. | Injury and loss of life of humans and wildlife |
| D. | Destruction of habitat |
| Answer» C. Injury and loss of life of humans and wildlife | |
| 15. |
Deforestation causes land degradation and |
| A. | Emission of carbon dioxide |
| B. | Emission of Waste |
| C. | Plastic Waste |
| D. | All of above |
| Answer» B. Emission of Waste | |
| 16. |
There is no difference between endangered and endemic species. |
| A. | True |
| B. | False |
| C. | May be True or False |
| D. | Can't say |
| Answer» C. May be True or False | |
| 17. |
Dark green forests absorb more incoming solar radiation than |
| A. | Farm Land |
| B. | Grassland |
| C. | Non Arable Crop Land |
| D. | Arable Cropland |
| Answer» E. | |
| 18. |
What is the advantages of selective logging? |
| A. | The forest cleaneace is small and have time for regeneration |
| B. | The forest regeneration is not possible |
| C. | The forest clearance is large |
| D. | soil erosion |
| Answer» B. The forest regeneration is not possible | |
| 19. |
What do killer whales and sharks feed on ? |
| A. | Zooplankton |
| B. | Planktons |
| C. | Predatory fishes |
| D. | Crustaceans |
| Answer» D. Crustaceans | |
| 20. |
What is the main source of energy for living things on earth? |
| A. | climate |
| B. | sun light |
| C. | water |
| D. | Air |
| Answer» C. water | |
| 21. |
What are the human activities that causes desertification? |
| A. | Overgrazing, irrigation, salinization and over cultivation |
| B. | Agro-forestry and Selective logging |
| C. | Overgrazing only |
| D. | All of these |
| Answer» B. Agro-forestry and Selective logging | |
| 22. |
Coniferous forests has low biodiversity than |
| A. | Tropical Rain Forest |
| B. | Savanna |
| C. | Tundra |
| D. | Cool temperate |
| Answer» B. Savanna | |
| 23. |
Natural shortage of nutrients in the soil can be compensated by adding |
| A. | Fertile Soil |
| B. | Inorganic fertilizers |
| C. | Organic fertilizers |
| D. | All of these |
| Answer» C. Organic fertilizers | |
| 24. |
Which malaria parasite has developed a resistance to most of the existing drugs? |
| A. | Plasmodium falciparum |
| B. | Plasmodium ovale |
| C. | Plasmodium vivax |
| D. | Plasmodium knowlesi |
| Answer» B. Plasmodium ovale | |
| 25. |
Why the tropical trees have leathery leaves? |
| A. | Low life cycle |
| B. | High water content |
| C. | Rigidity towards heat |
| D. | High mineral content |
| Answer» D. High mineral content | |
| 26. |
Baleen whales, usually feed on: |
| A. | Planktons |
| B. | Crustaceans |
| C. | Omnivores |
| D. | Carnivores |
| Answer» C. Omnivores | |
| 27. |
1.2 Gt of carbon, entering atmosphere in fom of |
| A. | Nitrogen gas |
| B. | Oxygen gas |
| C. | Carbon monoxide |
| D. | Carbon dioxide |
| Answer» E. | |
| 28. |
How does an organism feeding status can be expressed ? |
| A. | Biodiversity |
| B. | Energy Flow |
| C. | Biological system |
| D. | Tropical Level |
| Answer» E. | |
| 29. |
The amount of water trapped in pore spaces is known as |
| A. | Aeration |
| B. | Drainage |
| C. | Decomposing |
| D. | Disposal |
| Answer» C. Decomposing | |
| 30. |
Which of the following was listed as one of the vulnerable species by the International Union for Conservation of Nature? |
| A. | Elephants |
| B. | The Greater One-Horned Rhinoceros |
| C. | Pink-headed duck |
| D. | Sumatran Rhinoceros |
| Answer» C. Pink-headed duck | |
| 31. |
Which biome has one wet and one dry season? |
| A. | Monsoon Rain Forests |
| B. | Tundra |
| C. | Tiaga |
| D. | Tropical Forests |
| Answer» B. Tundra | |
| 32. |
What is the impact of deforestation on plants and animals? |
| A. | Reduced Biodiversity and extinction |
| B. | Deseased rainfall |
| C. | Reduce soil fertility |
| D. | Increase CO₂ |
| Answer» B. Deseased rainfall | |
| 33. |
Which forests are wet all the year? |
| A. | Taiga |
| B. | Tropical rain forest |
| C. | Mosoon forests |
| D. | Tundra |
| Answer» C. Mosoon forests | |
| 34. |
In which part of India we can found fan-throated lizard? |
| A. | Northern India |
| B. | Western India |
| C. | Southern India |
| D. | Eastern India |
| Answer» D. Eastern India | |
| 35. |
What is industrial waste? |
| A. | Waste from food processing |
| B. | Scraps of wood |
| C. | Scraps of metal |
| D. | All of these |
| Answer» E. | |
| 36. |
In 1980s and 1990s, average recorded loss, roundabout |
| A. | 2% per Year |
| B. | 1% per year |
| C. | 3% per Year |
| D. | 5% per Year |
| Answer» C. 3% per Year | |
| 37. |
The amount of air present in a soil is known as |
| A. | Aeration |
| B. | Moisture |
| C. | Humidity |
| D. | Soil Texture |
| Answer» B. Moisture | |
| 38. |
The microorganisms turn the carbon compunds back intocarbondioxide, which goes back to the |
| A. | Soil |
| B. | Atmosphere |
| C. | Water |
| D. | Oceans |
| Answer» C. Water | |
| 39. |
How naural process causes desertification? |
| A. | More rainfall |
| B. | More productivity |
| C. | Deline in rainfall |
| D. | More productivity |
| Answer» D. More productivity | |
| 40. |
The woody climbing plants are known as |
| A. | Lianas |
| B. | Epiphytes |
| C. | Parasites |
| D. | Lychens |
| Answer» B. Epiphytes | |
| 41. |
Into how many terms Whittaker described for measuring biodiversity over spatial scales? |
| A. | One |
| B. | Two |
| C. | Three |
| D. | Four |
| Answer» D. Four | |
| 42. |
Himalaya is formed by |
| A. | Convergent plates |
| B. | Divergent plate boundary |
| C. | Transform fault boundary |
| D. | Hydrological cycle |
| Answer» B. Divergent plate boundary | |
| 43. |
What is the annual precipitation of Tundra? |
| A. | 200mm |
| B. | 300mm |
| C. | 400mm |
| D. | 500mm |
| Answer» C. 400mm | |
| 44. |
The speed of growth and density of vegetation in the deserts directly depends on amount of |
| A. | Wind |
| B. | Rainfall |
| C. | Sunlight |
| D. | Nutrients |
| Answer» C. Sunlight | |
| 45. |
What are the most abundant species in tundra? |
| A. | Mosses and Lichens |
| B. | Worms |
| C. | Butterfly and catterpillers |
| D. | Animals |
| Answer» B. Worms | |
| 46. |
What is the impact of deforestation on water cycle? |
| A. | High precipitation and Surface runoff |
| B. | Less precipitation and Surface runoff |
| C. | Soil erosion and Salinization |
| D. | Salinization |
| Answer» C. Soil erosion and Salinization | |
| 47. |
Total area covered by forest is one-third of the |
| A. | Coastal areas |
| B. | Mountains |
| C. | Oceans |
| D. | World's land area |
| Answer» E. | |
| 48. |
Which climate has dry season during which temperatures are high enough for crops to grow provided that water is made available? |
| A. | Tundra |
| B. | Savanna and monsoon |
| C. | Tropical Climate |
| D. | Cool temperate |
| Answer» C. Tropical Climate | |
| 49. |
Who discovered biological evolution ? |
| A. | John Darwin |
| B. | Charles Darwin |
| C. | Cicero |
| D. | Al Khwarizmi |
| Answer» C. Cicero | |
| 50. |
What is the main issue of Indonasia? |
| A. | Deforestation |
| B. | Urbanization |
| C. | Ranching |
| D. | Climate change |
| Answer» B. Urbanization | |