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. |
What is the transmigratory policy in Indonesia? |
| A. | Reduced Biodiversity and extinction |
| B. | To stop deforestation |
| C. | to relieve overcrowding in big cities |
| D. | All of these |
| Answer» D. All of these | |
| 2. |
Texture is the balance of mineral particles in |
| A. | Soil |
| B. | clay |
| C. | Sand and Silts |
| D. | silt |
| Answer» B. clay | |
| 3. |
What was the estimated amount of deforestation in 1990s in Indonesia? |
| A. | 4000,000 Hectares per year |
| B. | 3000,000 Hectares per year |
| C. | 2000,000 Hectares per year |
| D. | 1000,000 Hectares per year |
| Answer» E. | |
| 4. |
What types of crops are grown in the plantation farming? |
| A. | Coffee, Tea, Cocoa, Sugarcane |
| B. | Wheat, Rice, Corn |
| C. | Maize, Sugarcane |
| D. | Wheat, Coffee, Maize |
| Answer» B. Wheat, Rice, Corn | |
| 5. |
Bt reduce the use of |
| A. | Fertizers |
| B. | Pesticides |
| C. | seeds |
| D. | Manure |
| Answer» C. seeds | |
| 6. |
Most of the nutrients in the tropical rain forests are stored in the |
| A. | Stems |
| B. | Living Tissues |
| C. | Leaves and bushes |
| D. | Flowers |
| Answer» C. Leaves and bushes | |
| 7. |
What is the impact of deforestation on soils? |
| A. | Increase soil erosion and leaching |
| B. | Decrease soil erosion and leaching |
| C. | Increase rainfall and CO₂ |
| D. | decrease temperature |
| Answer» B. Decrease soil erosion and leaching | |
| 8. |
Name the elements of abiotics? |
| A. | climate |
| B. | soil |
| C. | water and air |
| D. | All of these |
| Answer» E. | |
| 9. |
Why monoculture creats soil erosion? |
| A. | Nutrients are lost |
| B. | Less Water |
| C. | Overgrazing |
| D. | overcultivation |
| Answer» B. Less Water | |
| 10. |
Which element is present in all the living organism? |
| A. | Calcium |
| B. | Carbon |
| C. | Phosphorus |
| D. | Sodium |
| Answer» C. Phosphorus | |
| 11. |
Which two animals are threaten by poachers and traders |
| A. | Elephants ivory |
| B. | Rhino horns and Elephant Ivory |
| C. | Ibex Horns |
| D. | Crocodile and Cheetah Skin |
| Answer» C. Ibex Horns | |
| 12. |
Which biomes are very hot during summers more than 40 °C? |
| A. | Tiaga |
| B. | Savanna |
| C. | Deserts |
| D. | Monsoon |
| Answer» D. Monsoon | |
| 13. |
Organisms which obtain their food from plants, having similarality in number of steps, known as |
| A. | Same trophic levels |
| B. | Different trophic levels |
| C. | Biodiversity |
| D. | Grazing food chain |
| Answer» B. Different trophic levels | |
| 14. |
Which state in India is the home to a large population of one of the endangered species in India Asiatic Lion? |
| A. | Karnataka |
| B. | West Bengal |
| C. | Rajasthan |
| D. | Gujarat |
| Answer» E. | |
| 15. |
Who discovered a critically endangered species of tarantula Rameshwaram parachute spider? |
| A. | James Scottish |
| B. | Andrew Smith |
| C. | Nicholas Anderson |
| D. | Leonardo Thomson |
| Answer» C. Nicholas Anderson | |
| 16. |
Blackbuck is one of the endangered species found in India. |
| A. | True |
| B. | False |
| C. | May be True or False |
| D. | Can't say |
| Answer» B. False | |
| 17. |
The friction between the wind and the surface causes |
| A. | Currents |
| B. | Drifts of water |
| C. | Volcano |
| D. | earthquakes |
| Answer» C. Volcano | |
| 18. |
Categorically, a common feeding behavior is regarded as |
| A. | Parasitism |
| B. | Predation |
| C. | micropredation |
| D. | All of above |
| Answer» E. | |
| 19. |
What is the impact of deforestation on atmosphere? |
| A. | Increase rainfall, increase CO₂ and reduced O₂ |
| B. | High Temperature |
| C. | Desease rainfall, increase CO₂ and reduced O₂ |
| D. | All of these |
| Answer» C. Desease rainfall, increase CO₂ and reduced O₂ | |
| 20. |
Which is the only surviving member used to be considered of an amphibian family called the Nasikabatrachidae until 2006? |
| A. | Indian yellow frog |
| B. | Indian white frog |
| C. | Indian green frog |
| D. | Indian purple frog |
| Answer» E. | |
| 21. |
Which is the only representative of artiodactyls mammals Porcula? |
| A. | Pygmy hog |
| B. | Red river hog |
| C. | Giant forest hog |
| D. | Bearded hog |
| Answer» B. Red river hog | |
| 22. |
What are released after death, decay and decomposition of plants? |
| A. | Nutrients |
| B. | Leaves |
| C. | Stems |
| D. | Carbon |
| Answer» B. Leaves | |
| 23. |
The hot desert plants does not compete for scare resource like |
| A. | Food |
| B. | Soil |
| C. | Water |
| D. | Nutrients |
| Answer» D. Nutrients | |
| 24. |
Which countries gives subsidies to their farmers to modernize and mechanize the farming system? |
| A. | USA and EU |
| B. | Middle East and Pakistan |
| C. | South Africa |
| D. | Europe |
| Answer» B. Middle East and Pakistan | |
| 25. |
In cacti why the leaves are reduced to spines? |
| A. | Store water |
| B. | To maximise transpiration |
| C. | To minimise transpiration |
| D. | evapo-transpiration |
| Answer» D. evapo-transpiration | |
| 26. |
Which animal in a desert adopts to both physical and psychological factors? |
| A. | Camel |
| B. | Horse |
| C. | Cows |
| D. | Dogs |
| Answer» B. Horse | |
| 27. |
Which feature of the camel reserve energy giving food in the form of fats? |
| A. | Stomach |
| B. | Legs |
| C. | Hump |
| D. | Head |
| Answer» D. Head | |
| 28. |
How many percent of potassium is found in Africa? |
| A. | 90% |
| B. | 80% |
| C. | 70% |
| D. | 60% |
| Answer» B. 80% | |
| 29. |
Which forests are ever green forests? |
| A. | Founa and Flora |
| B. | Tropical rain forest |
| C. | Mosoon |
| D. | Coniferous Forests |
| Answer» E. | |
| 30. |
In which country 1000,000km² of rainforest has been cleared for ranching of cattles? |
| A. | America |
| B. | Brazil |
| C. | Mexico |
| D. | Pakistan |
| Answer» C. Mexico | |
| 31. |
What is the diameter of sand grain? |
| A. | 0.00-0.01 mm |
| B. | 0.05-0.1mm |
| C. | 0.02-2.00mm |
| D. | 1.00-1.5mm |
| Answer» D. 1.00-1.5mm | |
| 32. |
How are mineral particles formed? |
| A. | Weathering of sand |
| B. | Weathering of organic matters |
| C. | Weathering of Tropical areas |
| D. | Weathering of Rock |
| Answer» E. | |
| 33. |
Which species found in abundance ? |
| A. | Species Evenness |
| B. | Species Dominance |
| C. | Species Diversity |
| D. | Species Richness |
| Answer» C. Species Diversity | |
| 34. |
In 1990s, an average forest plantations grew, approximately |
| A. | 1000 km²per year |
| B. | 3000 km²per year |
| C. | 7000 km²per year |
| D. | 8000 km²per year |
| Answer» C. 7000 km²per year | |
| 35. |
Thick furry hide insulates its body against |
| A. | Heat and temperature |
| B. | Climatic hazards |
| C. | Disasters |
| D. | Water |
| Answer» B. Climatic hazards | |
| 36. |
What is the diameter of Clay particles? |
| A. | 0.001-0.004 mm |
| B. | less than 0.002mm |
| C. | 0.05-0.1mm |
| D. | 0.02-2.00mm |
| Answer» C. 0.05-0.1mm | |
| 37. |
Which nutrient does not have a gaseous phase on earth? |
| A. | Carbon |
| B. | Nitrogen |
| C. | Phosphorous |
| D. | Calcium |
| Answer» D. Calcium | |
| 38. |
In tectonic cycle, creation and destruction of solid outer layer, known as |
| A. | Lithosphere |
| B. | Crust |
| C. | Core |
| D. | Mantle |
| Answer» B. Crust | |
| 39. |
What is the temperature during winter in Tropical rain forests? |
| A. | 1-4 °C |
| B. | 1-2 °C |
| C. | 1-3 °C |
| D. | 1-5 °C |
| Answer» D. 1-5 °C | |
| 40. |
What is the life cycle of plants in tundra biome? |
| A. | 30 to 60 days |
| B. | 50 days |
| C. | 70 to 80 days |
| D. | 10 to 30 days |
| Answer» B. 50 days | |
| 41. |
The UNEP provides the world community with meaningful environmental data and information, rather itself taking the |
| A. | Work |
| B. | Problem |
| C. | Issue |
| D. | Initiative |
| Answer» B. Problem | |
| 42. |
Why tropical rain forest has diversed plants? |
| A. | Hot and wet climate |
| B. | Wind and Light |
| C. | Weather |
| D. | Rain and Wind |
| Answer» B. Wind and Light | |
| 43. |
In which soil the nutrient are in short supply? |
| A. | Sandy soils |
| B. | loamy soil |
| C. | topsoil |
| D. | Subsoil |
| Answer» B. loamy soil | |
| 44. |
Weeds that would compete with the crop for light and nutrients can be killed by using |
| A. | Herbicides |
| B. | Fertilizers |
| C. | Pesticides |
| D. | Pesticides and Fertilizers |
| Answer» B. Fertilizers | |
| 45. |
Which one of the following is the major threat for biodiversity? |
| A. | Reduction in the cutting of trees |
| B. | Increase in the number of trees |
| C. | Climate change |
| D. | Balance in the predator and prey in forests |
| Answer» D. Balance in the predator and prey in forests | |
| 46. |
The top soil is known as the |
| A. | A horizon |
| B. | B horizon |
| C. | C horizon |
| D. | D Horizon |
| Answer» B. B horizon | |
| 47. |
Which is the largest unit of the Great Plain of India? |
| A. | Brahmaputra plain |
| B. | Punjab-Haryana plain |
| C. | Gangetic plain |
| D. | Godavari plain |
| Answer» D. Godavari plain | |
| 48. |
What is GM crops? |
| A. | Genetically Modified Crops |
| B. | Genetically poor crops |
| C. | Gene Pool |
| D. | Nomadic Crops |
| Answer» B. Genetically poor crops | |
| 49. |
Overcultivation is often seen in which areas? |
| A. | Multicultures |
| B. | Monocultures |
| C. | Agro-forest |
| D. | Grazing of cattles |
| Answer» C. Agro-forest | |
| 50. |
What controls the amount of precipitation is lower or greater than the rate of evapo-transpiration? |
| A. | air |
| B. | climate |
| C. | soil |
| D. | water |
| Answer» C. soil | |