MCQOPTIONS
Saved Bookmarks
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 was the major environmental problem rise from green revolution? |
| A. | Salinization |
| B. | Soil Loss |
| C. | Infertility |
| D. | Loss of top fertility |
| Answer» B. Soil Loss | |
| 2. |
What does introduce an environmental cost to fossil fuel through trable permits? |
| A. | Carbondioxide Emissions |
| B. | Nitrogen Emission |
| C. | Oxygen Emission |
| D. | Methane Emission |
| Answer» B. Nitrogen Emission | |
| 3. |
Plants use water more efficiently, when exposed to higher level of |
| A. | CO₂ |
| B. | Nutrients |
| C. | Air |
| D. | water |
| Answer» B. Nutrients | |
| 4. |
A large quantity of heat is needed to raisethe Temperature of: |
| A. | Ponds |
| B. | Ocean |
| C. | Sea |
| D. | Lake |
| Answer» C. Sea | |
| 5. |
On a global scale, world's estimated population, depending on agriculture is |
| A. | 0.5 |
| B. | 0.85 |
| C. | 0.45 |
| D. | 0.9 |
| Answer» C. 0.45 | |
| 6. |
What are temporary surpluses of water which cover usually dry areas? |
| A. | Cyclones |
| B. | Floods |
| C. | Hurricanes |
| D. | Earthquakes and Volcanoes |
| Answer» C. Hurricanes | |
| 7. |
Largest changes in ocean surface temperature occurs in the |
| A. | Temperates |
| B. | Tropics |
| C. | Poles |
| D. | Sub tropics |
| Answer» C. Poles | |
| 8. |
The cultivation in drought conditions, causes |
| A. | Permanent Soil Erosion |
| B. | Deforestation |
| C. | Urbanization |
| D. | Infiltration |
| Answer» B. Deforestation | |
| 9. |
The number od species shrunk into small numders is called as |
| A. | Extinct Species |
| B. | Endangered Species |
| C. | Dangerious Species |
| D. | Limited Species |
| Answer» C. Dangerious Species | |
| 10. |
CBG stands for |
| A. | Cleaner Energy Gasoline |
| B. | Clean Energy Gas |
| C. | Non-renewable energy |
| D. | Renewable energy |
| Answer» B. Clean Energy Gas | |
| 11. |
Grassland will reflect, about |
| A. | 0.23 |
| B. | 0.2 |
| C. | 0.25 |
| D. | 0.28 |
| Answer» C. 0.25 | |
| 12. |
Rice requires a large amount of |
| A. | Water |
| B. | Fertlity |
| C. | Temperature |
| D. | Nutrient Supplies |
| Answer» B. Fertlity | |
| 13. |
Maize, sorghum, sugar-cane, millet and many pasture and forage grasses are: |
| A. | C4 Plants |
| B. | C3 Plants |
| C. | C5 Plants |
| D. | C1 Plants |
| Answer» B. C3 Plants | |
| 14. |
The land as been reclaimed for farming is known as |
| A. | Reclamation |
| B. | Restoration |
| C. | Revitalization |
| D. | Reduction |
| Answer» B. Restoration | |
| 15. |
'Carbon dioxide' molecules in air absorb |
| A. | Ultraviolet radiations |
| B. | Infrared Radiations |
| C. | Sunlight |
| D. | Heat |
| Answer» C. Sunlight | |
| 16. |
What is involved in CO₂ and CH₄ inclusion ? |
| A. | Diamond inclusion |
| B. | Fluid inclusion |
| C. | Natural inclusion |
| D. | Crystal inclusion |
| Answer» C. Natural inclusion | |
| 17. |
Irrigation accounts for about two thirds of world |
| A. | Natural resources |
| B. | Mineral use |
| C. | Water use |
| D. | Forests |
| Answer» D. Forests | |
| 18. |
Scientists predicted, ecosystem would adversely affected by the |
| A. | Global Warming |
| B. | Urbanization |
| C. | Deforestation |
| D. | Acid deposition |
| Answer» B. Urbanization | |
| 19. |
What was the worst effect of El Nino 1997-8 on Tanzania? |
| A. | 3 Million suffer extreme food shortage |
| B. | Nationwide Crop failure due to drought |
| C. | Both a and b |
| D. | None of these |
| Answer» D. None of these | |
| 20. |
The principal effects of a cold ocean current on the climate is to reduce the amount of |
| A. | Cold Currents |
| B. | Rain |
| C. | wind |
| D. | Water |
| Answer» C. wind | |
| 21. |
If climate change keeps on disrupting atmospheric pressure, it would bring ice age in |
| A. | America |
| B. | Northern Europe |
| C. | Africa |
| D. | Canada |
| Answer» C. Africa | |
| 22. |
Abiotic organisms include: |
| A. | Soil, water and Air |
| B. | Animals |
| C. | Plants |
| D. | Fishes |
| Answer» B. Animals | |
| 23. |
EMR' stands for |
| A. | Electronic Radiations |
| B. | Electron Radiation |
| C. | Electromagnetic Radiations |
| D. | Electron Rays |
| Answer» D. Electron Rays | |
| 24. |
What is the transitional area? |
| A. | Biosphere Reserves |
| B. | Use of Natural Resources |
| C. | Area of Cooperation |
| D. | Sustainable use of resources |
| Answer» D. Sustainable use of resources | |
| 25. |
According to experimental research, grain and forage quality reduces, with an increased CO₂ concentration at: |
| A. | Low Nutrients |
| B. | High Nutrients |
| C. | High Temperature |
| D. | Low temperature |
| Answer» D. Low temperature | |
| 26. |
Which region of Africa was most involved in drought ? |
| A. | Somalia |
| B. | Ethiopia |
| C. | Sahel Regions |
| D. | Eritrea |
| Answer» D. Eritrea | |
| 27. |
Which areas is the most drought affected part of the world? |
| A. | America |
| B. | Africa |
| C. | Asia |
| D. | Europe |
| Answer» C. Asia | |
| 28. |
What is main source of employment in developing countries? |
| A. | Agriculture |
| B. | Farming |
| C. | Nursing |
| D. | Resident adviser |
| Answer» B. Farming | |
| 29. |
Ecologists, divided world into |
| A. | Biomes |
| B. | Territeries |
| C. | Lands |
| D. | Continent |
| Answer» B. Territeries | |
| 30. |
In some parts of Bangladesh salt water extends, about |
| A. | 250km |
| B. | 350km |
| C. | 150 km |
| D. | 50 km |
| Answer» D. 50 km | |
| 31. |
What is the wind speed of tropical cyclone? |
| A. | Up to 100kph |
| B. | Up to 400kph |
| C. | Up to 600kph |
| D. | Up to 300kph |
| Answer» E. | |
| 32. |
What are the threats to wetland from humans? |
| A. | Discharge of pesticides and toxic sunstances |
| B. | Climate Change |
| C. | Inrease amount of GHGs |
| D. | Pollution |
| Answer» B. Climate Change | |
| 33. |
In mid of 1960s and 1980s, global food production increased by: |
| A. | 0.024 |
| B. | 0.027 |
| C. | 0.029 |
| D. | 0.025 |
| Answer» B. 0.027 | |
| 34. |
What are the other marine animals of commercial values? |
| A. | Crustacean |
| B. | Molluscus |
| C. | Dolphins, Seals, turtles and Whales |
| D. | All of these |
| Answer» E. | |
| 35. |
Hurricane is formed in the |
| A. | Indian Ocean |
| B. | Caribbean |
| C. | South China Sea |
| D. | Pacific Ocean |
| Answer» C. South China Sea | |
| 36. |
What was the speed of wind in Orissa India in 1999 cyclone? |
| A. | 370km/hour |
| B. | 280km/hour |
| C. | 270km/hour |
| D. | 470km/hour |
| Answer» E. | |
| 37. |
The villages of San Bartolome in Peru destroyed in 1982-93 By |
| A. | El Nino event |
| B. | Peruvian Current Flow |
| C. | Equatorial |
| D. | All of these |
| Answer» B. Peruvian Current Flow | |
| 38. |
Which country is at high risk of flood from both river and sea? |
| A. | Pakistan |
| B. | India |
| C. | Bangladesh |
| D. | Indonesia |
| Answer» D. Indonesia | |
| 39. |
Large flocks of sea birds feed on the |
| A. | Fishes |
| B. | Birds |
| C. | Planktons |
| D. | Animals |
| Answer» B. Birds | |
| 40. |
Which area was benefited by 1997-8 El Nino Event? |
| A. | Caribbean and Los Angeles |
| B. | India and Pakistan |
| C. | Indonesia |
| D. | Japan |
| Answer» B. India and Pakistan | |
| 41. |
'UNCCD' stands for |
| A. | United Nations Climate to Combat Desertification |
| B. | United Nations Convention to Combat Deforestation |
| C. | United Nations Convention to Cause Desertification |
| D. | United Nations Convention to Combat Desertification |
| Answer» E. | |
| 42. |
"Tropical forests" are like: |
| A. | Earth's revolution |
| B. | Earth's crust |
| C. | Earth's air conditioner |
| D. | Earth's core |
| Answer» D. Earth's core | |
| 43. |
Amount of runoff is highly sensitive to changes in |
| A. | Biosphere |
| B. | Climate |
| C. | Weather |
| D. | Atmosphere |
| Answer» C. Weather | |
| 44. |
According to some estimates, sea level will approximately rise about 1m by |
| A. | 3000 |
| B. | 2090 |
| C. | 2050 |
| D. | 2060 |
| Answer» D. 2060 | |
| 45. |
Which land water can be flowing, stagnent, salty and fresh? |
| A. | Glaciars |
| B. | Coastal Areas |
| C. | Wetlands |
| D. | Marine water |
| Answer» D. Marine water | |
| 46. |
30% of world's land is consist of: |
| A. | Grassland |
| B. | Natural forest |
| C. | Snow |
| D. | Mountains |
| Answer» C. Snow | |
| 47. |
One third of sunlight striking earth and its atmosphere is reflected back to the |
| A. | Space |
| B. | Air |
| C. | Troposphere |
| D. | Stratosphere |
| Answer» B. Air | |
| 48. |
Currents carries |
| A. | Water |
| B. | Fishes |
| C. | Nutrients |
| D. | Corals |
| Answer» D. Corals | |
| 49. |
Why the green revolution started? |
| A. | To solve the Mexican Food Shortage |
| B. | To Increase the crop yield |
| C. | For research purpose |
| D. | All of these |
| Answer» B. To Increase the crop yield | |
| 50. |
What are the names of three main zones of reserves? |
| A. | Core Area, Buffer Zone,Transition Area |
| B. | Mantle Area, Buffer Zone,Transition Area |
| C. | Core Area, Bio Zone,Transition Area |
| D. | Core Area, Buffer Zone,Transborder Area |
| Answer» B. Mantle Area, Buffer Zone,Transition Area | |