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. |
Hydroponics is related to – |
| A. | plant growth without soil |
| B. | plant growth without water |
| C. | connection with water |
| D. | water conservation technology |
| Answer» B. plant growth without water | |
| 2. |
The concept of ecological niche was propounded by - |
| A. | CC Park |
| B. | the gnnels |
| C. | by Darwin |
| D. | by E.P.Odom |
| Answer» C. by Darwin | |
| 3. |
Which of the following areas is famous for mangrove cultivation? |
| A. | Kalimpong's Lava Forest |
| B. | Dandakaranya Forest of Orissa |
| C. | दक्षिणी 24 परगना का सजनेखाली जंगल |
| D. | Jim Corbett National Park of Uttaranchal |
| Answer» D. Jim Corbett National Park of Uttaranchal | |
| 4. |
The most stable ecosystem is |
| A. | Forest |
| B. | meadows |
| C. | Desert |
| D. | Sea |
| Answer» E. | |
| 5. |
Most of the desert plants flower at night because- |
| A. | Their flowering is controlled by low temperature. |
| B. | They are sensitive to the phases of the moon. |
| C. | During the day, the desert insects eat the flowers. |
| D. | Desert insects are active at night |
| Answer» E. | |
| 6. |
By which man can maintain ecological balance in the biosphere? |
| A. | deforestation |
| B. | Developing new varieties of related plants and new breeds of domesticated animals |
| C. | insecticide and pesticide use |
| D. | Understanding Relative Number Balance of Organisms |
| Answer» C. insecticide and pesticide use | |
| 7. |
Footpad is a facility whereby - |
| A. | It is possible to grow plants in disease free conditions. |
| B. | Endangered plant species are protected |
| C. | Plants can grow under controlled conditions |
| D. | mutation is affected |
| Answer» D. mutation is affected | |
| 8. |
Earth summit was held in - |
| A. | in chicago |
| B. | in Adelaide |
| C. | in London |
| D. | in Rio de Janeiro |
| Answer» E. | |
| 9. |
Where is forest research located in India? |
| A. | Delhi |
| B. | Bhopal |
| C. | Dehradun |
| D. | Lucknow |
| Answer» D. Lucknow | |
| 10. |
Where is the National Botanical Park located? |
| A. | Shimla |
| B. | Kolkata |
| C. | Lucknow |
| D. | Bangalore |
| Answer» D. Bangalore | |
| 11. |
An artificial ecosystem represents - |
| A. | by fishing tank |
| B. | by agricultural land |
| C. | by zoo |
| D. | by aquarium |
| Answer» E. | |
| 12. |
The function of producers in an ecosystem is |
| A. | converting organic compounds into inorganic compounds |
| B. | capture solar energy and convert it into chemical energy |
| C. | harnessing chemical energy |
| D. | release energy |
| Answer» C. harnessing chemical energy | |
| 13. |
The primary or main source of energy in an ecosystem is |
| A. | sunlight |
| B. | sugar stored in plants |
| C. | free heat in fermentation |
| D. | heat released during respiration |
| Answer» B. sugar stored in plants | |
| 14. |
The largest number in an ecosystem is |
| A. | of primary producers |
| B. | of primary consumers |
| C. | of secondary consumers |
| D. | of decomposers |
| Answer» B. of primary consumers | |
| 15. |
The main component of mangrove vegetation is |
| A. | rhizophora |
| B. | ficus |
| C. | mangifera |
| D. | Procypus |
| Answer» B. ficus | |
| 16. |
The primary consumer in a chain is |
| A. | producer |
| B. | Vegetarian |
| C. | Non-vegetarian |
| D. | decomposer |
| Answer» C. Non-vegetarian | |
| 17. |
The vegetation of the sea shore is called- |
| A. | saline plant |
| B. | aphrodisiac flora |
| C. | alluvial vegetation |
| D. | dioecious vegetation |
| Answer» B. aphrodisiac flora | |
| 18. |
Reduced leaves and sunken stomata are the main symptoms of |
| A. | Adhipadap |
| B. | hydrocephalus |
| C. | Samodbhid |
| D. | Arid |
| Answer» E. | |
| 19. |
Removal of land by the action of air and water is called |
| A. | erosion |
| B. | fossil building |
| C. | calcification |
| D. | Salt Building |
| Answer» B. fossil building | |
| 20. |
Floods can be prevented by - |
| A. | sloping the site |
| B. | removing the water cover |
| C. | cutting down forests |
| D. | By building dams on rivers and planting trees |
| Answer» E. | |
| 21. |
Mangrove vegetation is found in |
| A. | in Dehradun Valley |
| B. | in Kullu Valley |
| C. | in the Western Ghats |
| D. | in the beautiful forest |
| Answer» E. | |
| 22. |
Food chain is formed by |
| A. | producers, consumers and decomposers |
| B. | producers, carnivores and decomposers |
| C. | producers and primary consumers |
| D. | producers, vegetarians and non-vegetarians |
| Answer» B. producers, carnivores and decomposers | |
| 23. |
There are two components of an ecosystem - |
| A. | weeds and trees |
| B. | biotic and non-living |
| C. | frog and human |
| D. | plants and animals |
| Answer» C. frog and human | |
| 24. |
Species diversity is relatively high in which of the following ecosystems? |
| A. | deep sea |
| B. | Tropical rain forest |
| C. | coral reef |
| D. | desert |
| Answer» C. coral reef | |
| 25. |
The study of the interaction between living organisms and their environment is called |
| A. | plant geography |
| B. | ecology |
| C. | plant social science |
| D. | ecosystem |
| Answer» C. plant social science | |
| 26. |
The correct path of energy flow in an ecosystem is - |
| A. | Producer - Non-vegetarian - Vegetarian - Decomposer |
| B. | Producer - Vegetarian - Non-vegetarian - Decomposer |
| C. | vegetarian - non-vegetarian - producer - decomposer |
| D. | Herbivorous - Producer - Non-vegetarian - Decomposer |
| Answer» C. vegetarian - non-vegetarian - producer - decomposer | |
| 27. |
The term ecosystem was first propounded by - |
| A. | by weaver |
| B. | A.G.Tensley |
| C. | I.E.P.Odom has |
| D. | Reiter |
| Answer» C. I.E.P.Odom has | |
| 28. |
The correct definition of ecosystem is - |
| A. | a community of organisms that interact with each other |
| B. | abiotic component of a habitat |
| C. | a part of the earth and its atmosphere in which living beings live |
| D. | community of organisms with the environment in which they live |
| Answer» E. | |
| 29. |
Self ecology means - |
| A. | effect of soil on vegetation |
| B. | ecological study of individual organisms |
| C. | effect of excitation on vegetation |
| D. | effect of temperature on vegetation |
| Answer» C. effect of excitation on vegetation | |
| 30. |
Which of the following is an example of an anthropogenic biome? |
| A. | water system |
| B. | field of grass |
| C. | Rainforests |
| D. | crop land |
| Answer» E. | |
| 31. |
Which of the following is not obtained from insects? |
| A. | Silk |
| B. | honey |
| C. | lakh |
| D. | Pearl |
| Answer» E. | |
| 32. |
Graphene is - |
| A. | carbon alloy |
| B. | Carbon nanoparticles |
| C. | isotopes of carbon |
| D. | none of the above |
| Answer» C. isotopes of carbon | |
| 33. |
Sultan, Pink and Kali Champa produced in different regions of India are the varieties of which of the following major fruits? |
| A. | Custard apple |
| B. | Orange |
| C. | guava |
| D. | Grape |
| Answer» E. | |
| 34. |
Which of the following is the main component of natural gas? |
| A. | ethane |
| B. | butane |
| C. | carbon monoxide |
| D. | methane |
| Answer» E. | |
| 35. |
India's first National Center for Marine Biodiversity (NCMB) is located in which city? |
| A. | in Bhavnagar |
| B. | in jamnagar |
| C. | in mumbai |
| D. | in Puducherry |
| Answer» C. in mumbai | |
| 36. |
Which of the following elements is a semiconductor? |
| A. | aluminum |
| B. | silicon |
| C. | silver |
| D. | lead |
| Answer» C. silver | |
| 37. |
DNA The bi-kundalini structure was given by - |
| A. | Jacob and Monod |
| B. | Watson and Crick |
| C. | H.G. Khurana |
| D. | neither of the above |
| Answer» C. H.G. Khurana | |
| 38. |
Which of the following was invented by Wilhens Roentgen? |
| A. | radio |
| B. | X-ray machine |
| C. | light bulb |
| D. | neither of the above |
| Answer» C. light bulb | |
| 39. |
Which of the following determines the poverty line in India? |
| A. | Union Cabinet |
| B. | Lok Sabha |
| C. | Rajya Sabha |
| D. | Planning Commission (now NITI Aayog) |
| Answer» E. | |
| 40. |
Which of the following taxes is levied by Gram Panchayats? |
| A. | sales tax |
| B. | land revenue tax |
| C. | tax on local fairs |
| D. | none of the above |
| Answer» D. none of the above | |
| 41. |
BPL in urban areas in India Which of the following committees was constituted for identification of families? |
| A. | Tendulkar Committee |
| B. | Saxena Committee |
| C. | Lakdawala Committee |
| D. | Hashim Committee |
| Answer» E. | |
| 42. |
In which of the following countries is the Pampas grassland located? |
| A. | Argentina |
| B. | Brazil |
| C. | chile |
| D. | Ecuador |
| Answer» B. Brazil | |
| 43. |
What is the maximum representation of Union Territories in Lok Sabha? |
| A. | 15 |
| B. | 20 |
| C. | 25 |
| D. | neither of the above |
| Answer» C. 25 | |
| 44. |
An MP can be disqualified for being absent from the Parliament for how many days without permission? |
| A. | 30 दिन |
| B. | 60 दिन |
| C. | 90 दिन |
| D. | 120 दिन |
| Answer» C. 90 दिन | |
| 45. |
At the mouth of which of the following rivers a delta shaped like a bird's claw is formed? |
| A. | hong ho |
| B. | Indigo |
| C. | danube |
| D. | Mississippi |
| Answer» E. | |
| 46. |
The development of the concept of global village is based on – |
| A. | social development |
| B. | political development |
| C. | development of transport and communication |
| D. | international organization |
| Answer» D. international organization | |
| 47. |
Which of the following states ranks first in India in the length of roads? |
| A. | Maharashtra |
| B. | Uttar Pradesh |
| C. | Madhya Pradesh |
| D. | Rajasthan |
| Answer» B. Uttar Pradesh | |
| 48. |
Who among the following Governor Generals ridiculed the Congress for representing a vast minority of people? |
| A. | lord dufferin |
| B. | Lord Curzon |
| C. | lord minto |
| D. | lord lensdown |
| Answer» B. Lord Curzon | |
| 49. |
Vegetation is an accurate indicator of climate. This statement is related to - |
| A. | Thornthwaite |
| B. | kopen |
| C. | treewartha |
| D. | stamp |
| Answer» B. kopen | |
| 50. |
The claims of revenue of Marathas for protection are known as- |
| A. | Sardeshmukhi |
| B. | Chauth |
| C. | abwab |
| D. | Jamdani |
| Answer» C. abwab | |