MCQOPTIONS
Saved Bookmarks
This section includes 31 Mcqs, each offering curated multiple-choice questions to sharpen your Science knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Ill effect of deforestation is it |
| A. | Increases temperature of earth |
| B. | Increases pollution level |
| C. | Increases CO2 level of atmosphere |
| D. | All of the above |
| Answer» E. | |
| 2. |
Variety of organisms existing on the earth, their interrelationships and their relationshipwith the environment is called |
| A. | Diversity |
| B. | Biosphere |
| C. | Biology |
| D. | Biodiversity |
| Answer» E. | |
| 3. |
Reforestation means |
| A. | Planting trees |
| B. | restocking of the destroyed forests by planting new trees. |
| C. | Cutting trees |
| D. | Burning trees |
| Answer» C. Cutting trees | |
| 4. |
Part of the earth which supports life where living beings exists is called ____ |
| A. | Atmosphere |
| B. | Biosphere |
| C. | Biology |
| D. | Biodiversity |
| Answer» C. Biology | |
| 5. |
Increased level of carbon dioxide in the atmosphere traps the heat rays reflected bythe earth causing an increase in the temperature on the earth. This is |
| A. | Local warming |
| B. | House warming |
| C. | Global warming |
| D. | Country warming |
| Answer» D. Country warming | |
| 6. |
Migratory birds fly to far off places in a particular season of the year because thatplace becomes |
| A. | Very cold |
| B. | Very hot |
| C. | People hunt birds |
| D. | Birds donot |
| Answer» B. Very hot | |
| 7. |
____ is the Source book which keeps a record of all the endangered animals andplants. |
| A. | Blue Data book |
| B. | Red Data book |
| C. | Green data book |
| D. | Black data Book |
| Answer» C. Green data book | |
| 8. |
Animals whose numbers are reducing to a level that they might face extinction are |
| A. | Reducing species |
| B. | Extinction species |
| C. | Endangered species |
| D. | Dangerous species |
| Answer» D. Dangerous species | |
| 9. |
Species of plants and animals which are found exclusively in a particular area arecalled |
| A. | Endemic species |
| B. | Exotic species |
| C. | Local species |
| D. | Specific species |
| Answer» B. Exotic species | |
| 10. |
A Biosphere Reserve may contain: (i) National Park (ii) Zoological garden (iii) Wildlife Sanctuary (iv) Botanical garden |
| A. | (i) and (ii) |
| B. | (ii) and (iii) |
| C. | (I - C), (II - D), (III - A), (IV - B) |
| D. | (i) and (iii) |
| E. | None of these |
| Answer» E. None of these | |
| 11. |
Kanha tiger reserve is located in: |
| A. | Madhya Pradesh |
| B. | Assam |
| C. | Robert Koch |
| D. | West Bengal |
| E. | None of these |
| Answer» B. Assam | |
| 12. |
Wildlife and forests should be conserved: |
| A. | To preserve biodiversity. |
| B. | To prevent extinction of endangered species. |
| C. | Oxygen |
| D. | All of the above |
| E. | None of these |
| Answer» E. None of these | |
| 13. |
Which of the following must be practiced to preserve and conserve the environment? |
| A. | Deforestation |
| B. | Recycling |
| C. | (iii) and (iv) |
| D. | Pollution |
| Answer» C. (iii) and (iv) | |
| 14. |
Under man and biosphere programme (MAB), what is a core zone? |
| A. | A zone where human activity is permitted |
| B. | A zone where human activity is not permitted |
| C. | Female Aedes carries virus as a causative agent of dengue. |
| D. | A zone where slash and burn cultivation is permitted |
| Answer» C. Female Aedes carries virus as a causative agent of dengue. | |
| 15. |
Dynosaur is an: |
| A. | Extinct species |
| B. | Exotic species |
| C. | Yellow vein mosaic - Virus |
| D. | Endemic species |
| E. | None of these |
| Answer» B. Exotic species | |
| 16. |
Cyanobacteria is a____ component of ecosystem. |
| A. | Abiotic |
| B. | Biotic |
| C. | Protozoa |
| D. | Acyclic |
| E. | None of these |
| Answer» C. Protozoa | |
| 17. |
Biotic component of an ecosystem does not include: |
| A. | Mosses |
| B. | Ferns |
| C. | (iii) and (iv) |
| D. | Minerals |
| E. | None of these |
| Answer» E. None of these | |
| 18. |
____ is the loss of corals due to environmental stresses. |
| A. | Coral sampling |
| B. | Coral bleaching |
| C. | Sugar into alcohol |
| D. | Coral preaching |
| E. | None of these |
| Answer» C. Sugar into alcohol | |
| 19. |
Which of the following is/are true of conservation and preservation? (i) Protects the ecosystem from destruction Destruction (ii) Prevents the depletion natural resource (iii) Maintains the population of endangered plant and animal species |
| A. | Only (i) and (ii) |
| B. | Only (i) and (iii) |
| C. | Plasmodium |
| D. | All the three |
| Answer» E. | |
| 20. |
Removal of fertile topsoil will cause: |
| A. | Biomagnification |
| B. | Desertification |
| C. | Baishakhi |
| D. | Fertilisation |
| E. | None of these |
| Answer» C. Baishakhi | |
| 21. |
Name the first national park of India. |
| A. | Jim Corbett National Park |
| B. | Dachigam National Park |
| C. | Adding Chemical fertilisers |
| D. | Sunderban National Park |
| E. | None of these |
| Answer» B. Dachigam National Park | |
| 22. |
Which of the following is NOT on the verge of extinction? |
| A. | Leopard |
| B. | Nilgiri langur |
| C. | Potassium |
| D. | Fox |
| Answer» E. | |
| 23. |
The major cause of diminishing wildlife number is: |
| A. | Camouflage |
| B. | Habitat destruction |
| C. | Harvesting of crops |
| D. | Cannibalism |
| E. | None of these |
| Answer» C. Harvesting of crops | |
| 24. |
IUCN stands for: |
| A. | Indian Union for Conservation of Nature and Natural resources. |
| B. | International Union for Conservation of Nature and Natural resources. |
| C. | Winnowing the crop |
| D. | International Unity for Controlling the Nature and Natural resources. |
| E. | None of these |
| Answer» C. Winnowing the crop | |
| 25. |
The logo of the world wildlife fund is symbolized by the: |
| A. | Lion Tailed Macaque |
| B. | Red Panda |
| C. | Irrigation |
| D. | Lion |
| E. | None of these |
| Answer» D. Lion | |
| 26. |
Red data book keeps a record of all the: |
| A. | Endangered species |
| B. | Endemic species |
| C. | (a) - (ii), (b) - (iv), (c) - (i), (d) - (iii) |
| D. | Imbalanced species |
| E. | None of these |
| Answer» B. Endemic species | |
| 27. |
What are species which are on the verge of extinction called? |
| A. | Endangered species |
| B. | Rare species |
| C. | (i) (ii) (iii) (iv) (v) Chain pump Potash Seed drill Sowing MCPA |
| D. | Fossil species |
| Answer» D. Fossil species | |
| 28. |
Which one of the following is a flora of Pachmarhi Biosphere Reserve |
| A. | Jamun |
| B. | Arjun |
| C. | Lot of growth in V with replenishment of the nutrients. |
| D. | All the above |
| E. | None of these |
| Answer» E. None of these | |
| 29. |
Which one of the following is the endemic fauna of Pachmarhi Biosphere Reserve? |
| A. | Bison |
| B. | Leopard |
| C. | It transfers impulses from the receptor to the central nervous system. |
| D. | Bear |
| E. | None of these |
| Answer» B. Leopard | |
| 30. |
Which of the following is caused by deforestation? |
| A. | Rainfall |
| B. | Soil erosion |
| C. | Seismotropism |
| D. | Dim sunlight |
| Answer» C. Seismotropism | |
| 31. |
I was a large, heavy and flightless bird. I was hunted in large number in the island of Madagascar and now no member of my species survives. Who am I? |
| A. | White-rumped vulture |
| B. | Grey jungle fowl |
| C. | Control of body movement and postureControl of breathing rate and blood pressureSP |
| D. | The great Indian bustard |
| Answer» D. The great Indian bustard | |