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. |
Quartzite metamorphoses into - |
| A. | from limestone |
| B. | from oxidation |
| C. | from sandstone |
| D. | from shell |
| Answer» D. from shell | |
| 2. |
Harappan Civilization site Lothal is located at- |
| A. | in Gujarat |
| B. | in punjab |
| C. | in sindh |
| D. | In Rajasthan |
| Answer» B. in punjab | |
| 3. |
In which color of visible light the process of photosynthesis is maximum? |
| A. | Blue |
| B. | Green |
| C. | Red |
| D. | Orange |
| Answer» D. Orange | |
| 4. |
Which is the most abundant element in the earth's surface? |
| A. | oxygen |
| B. | Sulphur |
| C. | Silicon |
| D. | Carbon |
| Answer» B. Sulphur | |
| 5. |
The slowest of all the cycles operating in the biosphere is |
| A. | depression cycle |
| B. | the water cycle |
| C. | phosphorus cycle |
| D. | carbon cycle |
| Answer» B. the water cycle | |
| 6. |
Which element is the most available element after oxygen on the earth's crust? |
| A. | silicon |
| B. | Carbon |
| C. | sodium |
| D. | aluminum |
| Answer» B. Carbon | |
| 7. |
Who has been given the analogy of a biological furnace in the biosphere? |
| A. | to plants |
| B. | to animals |
| C. | to the living |
| D. | thin cover of soil |
| Answer» E. | |
| 8. |
Solar cooker absorbs energy from which rays of the sun? |
| A. | ultraviolet rays |
| B. | Radiation of visible light |
| C. | Infrared radiation |
| D. | by long waves |
| Answer» D. by long waves | |
| 9. |
Which of the following gold coins is heaviest in weight? |
| A. | Samudragupta |
| B. | skandagupta |
| C. | huvishk |
| D. | Kanishk |
| Answer» E. | |
| 10. |
In which zone is the highest concentration of ozone gas found? |
| A. | Troposphere |
| B. | stratosphere |
| C. | Meridian |
| D. | ionosphere |
| Answer» C. Meridian | |
| 11. |
Which of the following types of natural ecosystems are most productive? |
| A. | savanna grassland |
| B. | Tidal Estuary |
| C. | crop ecosystem |
| D. | industrial ecology |
| Answer» C. crop ecosystem | |
| 12. |
After the fall of the Guptas, which of the following cities became the center of the political landscape of northern India? |
| A. | Patna |
| B. | Kannauj |
| C. | Ajmer |
| D. | Delhi |
| Answer» C. Ajmer | |
| 13. |
Which layer of the atmosphere is most important for the biosphere ecosystem? |
| A. | troposphere |
| B. | Meridian |
| C. | Tropics |
| D. | Ionosphere |
| Answer» B. Meridian | |
| 14. |
A microorganism prevents another microorganism from growing in its vicinity, which is called - |
| A. | Oppose |
| B. | Emancipation |
| C. | Benevolence |
| D. | co-operation |
| Answer» B. Emancipation | |
| 15. |
Which mineral is used in alkaline soil improvement? |
| A. | Felspar |
| B. | calcite |
| C. | magnetite |
| D. | Pyrite |
| Answer» E. | |
| 16. |
Competition among the following is |
| A. | positive interaction |
| B. | negative interaction |
| C. | protest action |
| D. | symbiosis |
| Answer» C. protest action | |
| 17. |
The cycle of elements of an ecosystem is called |
| A. | geological cycle |
| B. | chemical cycle |
| C. | geochemical cycle |
| D. | biogeochemical cycle |
| Answer» E. | |
| 18. |
The most important role of solar energy is |
| A. | in the oxygen cycle |
| B. | in the phosphorus cycle |
| C. | in the nitrogen cycle |
| D. | in the carbon cycle |
| Answer» E. | |
| 19. |
Which does not cycle in an ecosystem? |
| A. | of organic matter |
| B. | of inorganic substances |
| C. | Of water |
| D. | of energy |
| Answer» E. | |
| 20. |
Maximum photosynthesis takes place in - |
| A. | By large seaweed |
| B. | by trees |
| C. | By weeding |
| D. | by diatoms and dinoflagellates |
| Answer» E. | |
| 21. |
Nitrogen fixation changes |
| A. | nitrogen into ammonia |
| B. | nitrogen into nitrate |
| C. | nitrogen into amino acids |
| D. | (a) and (b) both |
| Answer» E. | |
| 22. |
The lichens express - |
| A. | Benevolence |
| B. | Communion |
| C. | amsellism |
| D. | parasitism |
| Answer» B. Communion | |
| 23. |
In which inscription the mention of the Vahlikas is found? |
| A. | tax penalty record |
| B. | inner column record |
| C. | Mehrauli Pillar Inscription |
| D. | Allahabad Pillar Inscription |
| Answer» D. Allahabad Pillar Inscription | |
| 24. |
Fungal fibers in fungal root sex- |
| A. | Helps in mineral absorption |
| B. | Helps in the absorption of minerals and water |
| C. | behaves as companions |
| D. | behave like a parasite |
| Answer» C. behaves as companions | |
| 25. |
Which of the following eras was integral to the Gupta era? |
| A. | Shaka era |
| B. | Saptarishi Samvat |
| C. | Kali Samvat |
| D. | Ballabhi Samvat |
| Answer» E. | |
| 26. |
Which of the following ecosystem types has the highest annual average rate of net plant production? |
| A. | temperate grassland |
| B. | Savannah |
| C. | coniferous forest |
| D. | temperate forest |
| Answer» B. Savannah | |
| 27. |
Higher grade consumers get energy from - |
| A. | from primary consumer only |
| B. | from secondary consumer only |
| C. | primary and secondary consumer |
| D. | from primary consumer |
| Answer» D. from primary consumer | |
| 28. |
Competition affects |
| A. | on population density |
| B. | on production capacity |
| C. | on community development |
| D. | on all of the above |
| Answer» E. | |
| 29. |
Parasitism gives examples of - |
| A. | negative ecological function |
| B. | of positive ecological activity |
| C. | of amsellism |
| D. | of opposition |
| Answer» B. of positive ecological activity | |
| 30. |
During the Gupta period, the North Indian trade was conducted from which one of the following ports? |
| A. | Welfare |
| B. | gossip |
| C. | Cambre |
| D. | Copperplate |
| Answer» C. Cambre | |
| 31. |
The six fundamental biological elements are - |
| A. | C,H,O,N, S,P, |
| B. | C, H, O, N, P, Mg, |
| C. | C, N, S, Mg, Hg |
| D. | C, H, O, Mn, B, C.I. |
| Answer» B. C, H, O, N, P, Mg, | |
| 32. |
The fiercest competition in sequencing arises from |
| A. | Navi community |
| B. | sequential community |
| C. | extreme community |
| D. | None of these |
| Answer» C. extreme community | |
| 33. |
The flow of energy in an ecosystem is |
| A. | from high to low |
| B. | from lower to higher energy level |
| C. | From physical environment to primary consumer |
| D. | None of these |
| Answer» C. From physical environment to primary consumer | |
| 34. |
The complete destruction of vegetation of an area is caused by forest fires. Then which community appears first to start sequencing there? |
| A. | phytoplankton |
| B. | crustose lichens |
| C. | Grass |
| D. | moss |
| Answer» D. moss | |
| 35. |
Community refers to an aggregate or group of members who |
| A. | may be of the same species |
| B. | can be of different race |
| C. | can be of the same type |
| D. | None of these |
| Answer» C. can be of the same type | |
| 36. |
The nutrient cycle that is driven directly by sunlight is |
| A. | carbon cycle |
| B. | nitrogen cycle |
| C. | sulfur cycle |
| D. | phosphorus cycle |
| Answer» B. nitrogen cycle | |
| 37. |
In Sanskrit plays written in the Gupta period, women and Shudras speak - |
| A. | shift |
| B. | Shourseni |
| C. | Prakrit |
| D. | Sanskrit |
| Answer» D. Sanskrit | |
| 38. |
'Ecology is sustainable economy' - this is the slogan of which movement? |
| A. | Epic movement |
| B. | Save Narmada Campaign |
| C. | Chip's movement |
| D. | none of the above |
| Answer» D. none of the above | |
| 39. |
The least biodiversity is observed in |
| A. | in the climax community |
| B. | in the seral community |
| C. | In the pioneer community |
| D. | None of these |
| Answer» D. None of these | |
| 40. |
Which one of the following inscriptions throws light on the Lakulish Pashupat sect? |
| A. | Mandsaur inscription of Kumaragupta I |
| B. | The inner pillar inscription of Skanda Gupta |
| C. | Mathura inscription of Chandragupta II |
| D. | Eran inscription of Samudragupta |
| Answer» D. Eran inscription of Samudragupta | |
| 41. |
Nutrient cycle which is sometimes affected by weathering of stones |
| A. | carbon cycle |
| B. | nitrogen cycle |
| C. | phosphorus cycle |
| D. | all the above cycles |
| Answer» D. all the above cycles | |
| 42. |
In the attack of sequencing action, |
| A. | migration |
| B. | Ecesis |
| C. | Collection |
| D. | All of the above |
| Answer» E. | |
| 43. |
The most crucial role in sequencing is |
| A. | soil |
| B. | Community |
| C. | Climate |
| D. | biological component |
| Answer» D. biological component | |
| 44. |
The limit of the number of animals in a certain area, which the environment can support, is called- |
| A. | Population |
| B. | carrying capacity |
| C. | pyramid of numbers or biomass |
| D. | neither of the above |
| Answer» C. pyramid of numbers or biomass | |
| 45. |
In the pre-medieval inscriptions, the word dram for a class of coins is derived from - |
| A. | Greek |
| B. | Latin |
| C. | Vedic Sanskrit |
| D. | Arabic |
| Answer» B. Latin | |
| 46. |
Which one of the following is not true about an ecosystem? |
| A. | Ecosystem represents all the living and physical environment of a given space-time unit. |
| B. | it is a working unit |
| C. | it has its own productivity |
| D. | it is a closed system |
| Answer» E. | |
| 47. |
Roots of some plants, by secreting substances similar to poison, refers to the growth of plants of other species. This action is called - |
| A. | Allelopathy |
| B. | Allopathy |
| C. | passive resistor |
| D. | None of these |
| Answer» B. Allopathy | |
| 48. |
Who among the following first used the term 'Deep Ecology'? |
| A. | EP Odom |
| B. | C. Ronkier |
| C. | F. E. Clements |
| D. | by Arneez Ness |
| Answer» E. | |
| 49. |
In the interrelationship of two or more living beings, one organism benefits, but no one is harmed, then this relationship is called - |
| A. | Cohabitation |
| B. | symbiosis |
| C. | Benevolence |
| D. | cooperation |
| Answer» B. symbiosis | |
| 50. |
What is the minimum land required for the life of a human being to be fully sustainable? |
| A. | Organisms |
| B. | ecological footprint |
| C. | biome |
| D. | Niket |
| Answer» C. biome | |