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. |
Who invented X-Rays? |
| A. | Rutherford |
| B. | Newton |
| C. | R ntgen |
| D. | Baird |
| Answer» D. Baird | |
| 2. |
The voltmeter is put into the circuit? |
| A. | in parallel order |
| B. | In series order |
| C. | In series-parallel order |
| D. | None of these |
| Answer» B. In series order | |
| 3. |
Metal plate The metal used in the takri? |
| A. | Copper oxide and copper |
| B. | Zinc chloride and carbon |
| C. | Germanium and silicon |
| D. | None of these |
| Answer» B. Zinc chloride and carbon | |
| 4. |
To install tubes, fluorescent tubes are used. |
| A. | Starter holder |
| B. | tube holder |
| C. | connector |
| D. | None of these |
| Answer» C. connector | |
| 5. |
Is an electric pressure measuring instrument? |
| A. | ampere meter |
| B. | watt meter |
| C. | Voltmeter |
| D. | power multiplier meter |
| Answer» D. power multiplier meter | |
| 6. |
Electricity is generated when the drivers rotate between the magnetic fields? |
| A. | Moving |
| B. | stable |
| C. | Both static and dynamic |
| D. | None of these |
| Answer» B. stable | |
| 7. |
capacitor is a of small size but high capacity? |
| A. | mica capacitor |
| B. | electrolytic capacitors |
| C. | Sirasic capacitor |
| D. | Paper capacitor |
| Answer» B. electrolytic capacitors | |
| 8. |
Which of the following rotor will have the highest noise? |
| A. | Shaded pole motor |
| B. | Universal Motor |
| C. | capacitor motor |
| D. | All of the above will be equal |
| Answer» D. All of the above will be equal | |
| 9. |
What is the coupling of primary and secondary coils in transformer? |
| A. | Electrical |
| B. | Mechanical |
| C. | Magnetic |
| D. | All these |
| Answer» D. All these | |
| 10. |
Silica is placed in gels? |
| A. | In the conservator |
| B. | Brother |
| C. | Bakolz relay |
| D. | Inside the tank |
| Answer» C. Bakolz relay | |
| 11. |
Equatorial forests are examples of which level of biodiversity? |
| A. | Local |
| B. | National |
| C. | Continental |
| D. | Global |
| Answer» E. | |
| 12. |
The common element which is present in both carbohydrates and proteins is |
| A. | Chlorine |
| B. | Nitrogen |
| C. | Sulphur |
| D. | Carbon |
| Answer» E. | |
| 13. |
There is a species A of plants that grow in a huge number but is found only in the B part of India in the whole world. Which type of species is it? |
| A. | Endangered |
| B. | Abundant |
| C. | Exotic |
| D. | Endemic |
| Answer» E. | |
| 14. |
Is the father of 'demonstration method'? |
| A. | John D.V. |
| B. | Daniel Benor |
| C. | A.D. B. Graham |
| D. | Seaman A. Nap |
| Answer» E. | |
| 15. |
What is global biodiversity called? |
| A. | Alpha |
| B. | beta |
| C. | Gamma |
| D. | Nano |
| Answer» D. Nano | |
| 16. |
What is the local biodiversity called? |
| A. | Gamma Biodiversity |
| B. | Beta Biodiversity |
| C. | Alpha Biodiversity |
| D. | X Biodiversity |
| Answer» D. X Biodiversity | |
| 17. |
Whose protection is provided in the National Park? |
| A. | only for plants |
| B. | only for animals |
| C. | for both plants and animals |
| D. | For the whole ecosystem |
| Answer» E. | |
| 18. |
Which country has the highest biodiversity? |
| A. | Germany |
| B. | India |
| C. | China |
| D. | South Africa |
| Answer» C. China | |
| 19. |
Which continent has the highest biodiversity? |
| A. | Africa |
| B. | Asia |
| C. | Europe |
| D. | North America |
| Answer» B. Asia | |
| 20. |
Where is the least biodiversity found? |
| A. | in the equatorial region |
| B. | in the temperate zone |
| C. | in the sub-tropics |
| D. | in the polar region |
| Answer» E. | |
| 21. |
Where is maximum species diversity found? |
| A. | Tundra region |
| B. | Taiga region |
| C. | in equatorial evergreen forest |
| D. | in the autumn forest |
| Answer» D. in the autumn forest | |
| 22. |
Different varieties of paddy are examples of |
| A. | genetic diversity |
| B. | Species Diversity |
| C. | Geographical diversity |
| D. | Ecological diversity |
| Answer» B. Species Diversity | |
| 23. |
How many types of ecological pyramids are there in general? |
| A. | 2 |
| B. | 3 |
| C. | 4 |
| D. | 5 |
| Answer» C. 4 | |
| 24. |
What is the replacement of one community of organisms by another community called? |
| A. | Ecological succession |
| B. | Biogeochemical cycle |
| C. | Ecological invasion |
| D. | Ecological Pyramid |
| Answer» B. Biogeochemical cycle | |
| 25. |
Which cycle will be most affected if all the decomposers of an ecosystem are destroyed? |
| A. | Seasonal cycle |
| B. | water cycle |
| C. | Biogeochemical cycle |
| D. | Gaseous cycle |
| Answer» D. Gaseous cycle | |
| 26. |
Where does each food chain end? |
| A. | on the producer |
| B. | Primary consumer |
| C. | on the secondary consumer |
| D. | on the decomposer |
| Answer» E. | |
| 27. |
Who is an example of a secondary consumer? |
| A. | Lion |
| B. | Frog |
| C. | grasshopper |
| D. | Deer |
| Answer» C. grasshopper | |
| 28. |
The inverted pyramid of biomass is a characteristic of which ecosystem? |
| A. | rain forest |
| B. | ocean |
| C. | Desert |
| D. | Delta |
| Answer» C. Desert | |
| 29. |
What is the number pyramid in a grassland like? |
| A. | straight |
| B. | reverse |
| C. | triangular |
| D. | column |
| Answer» B. reverse | |
| 30. |
What are all herbivores called? |
| A. | primary consumer |
| B. | Secondary consumer |
| C. | Tertiary consumer |
| D. | producer |
| Answer» B. Secondary consumer | |
| 31. |
What is the pyramid of energy in an ecosystem? |
| A. | always straight |
| B. | always inverted |
| C. | sometimes upright sometimes inverted |
| D. | irregular |
| Answer» B. always inverted | |
| 32. |
If the number, weight, and energy of the organisms present in the ecosystem are shown sequentially, then which will be the shape formed? |
| A. | Triangle |
| B. | Pyramid |
| C. | column |
| D. | Hexagon |
| Answer» C. column | |