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. |
The technique of chromatography is used |
| A. | in determining the structure of substances |
| B. | in the fractional distillation of colored substances |
| C. | to separate substances from a mixture |
| D. | to identify colored substances |
| Answer» D. to identify colored substances | |
| 2. |
Emulsion is a colloid - |
| A. | of gas in liquid |
| B. | liquid in liquid |
| C. | solid into gas |
| D. | gas to liquid |
| Answer» C. solid into gas | |
| 3. |
milk is - |
| A. | emulsion |
| B. | Jail |
| C. | Froath |
| D. | suspension |
| Answer» B. Jail | |
| 4. |
Which of the following liquids is a very good conductor of heat? |
| A. | Mercury |
| B. | benzene |
| C. | Water |
| D. | ether |
| Answer» B. benzene | |
| 5. |
By which process can sea water be purified? |
| A. | filtering |
| B. | Evaporation |
| C. | fractional distillation |
| D. | distillation |
| Answer» E. | |
| 6. |
Which of the following metals is liquid at normal temperature? |
| A. | lead |
| B. | Out |
| C. | tin |
| D. | Mercury |
| Answer» E. | |
| 7. |
In fluorescent tube most commonly used - |
| A. | sodium oxide and argon |
| B. | mercuric oxide |
| C. | sodium vapor and neon |
| D. | mercury vapor and argon |
| Answer» E. | |
| 8. |
Which of the following colloidal system is expressed in fog? |
| A. | solid in gas |
| B. | gas in liquid |
| C. | liquid in liquid |
| D. | liquid in gas |
| Answer» E. | |
| 9. |
Which of the following is not used as an atomic fuel? |
| A. | Plutonium |
| B. | Thorium |
| C. | lead |
| D. | uranium |
| Answer» D. uranium | |
| 10. |
Identify the mineral not related to atomic power - |
| A. | beryllium |
| B. | Chromium |
| C. | monozite |
| D. | Thorium |
| Answer» C. monozite | |
| 11. |
Which of the following is used to make a nuclear bomb? |
| A. | Molybdenum |
| B. | uranium |
| C. | Zirconium |
| D. | Vanadium |
| Answer» C. Zirconium | |
| 12. |
Iodine can be separated from a mixture of iodine and potassium chloride by - |
| A. | By subtraction |
| B. | by filteration |
| C. | by distillation |
| D. | by sedimentation |
| Answer» B. by filteration | |
| 13. |
What is nuclear reactor |
| A. | atomic furnace |
| B. | heavy water pond |
| C. | Atomic bomb site |
| D. | U - 238 का उत्सर्जक |
| Answer» B. heavy water pond | |
| 14. |
All the decisions of the Constituent Assembly of India - |
| A. | by simple majority |
| B. | by a two-thirds majority |
| C. | with consent |
| D. | by all the above methods |
| Answer» D. by all the above methods | |
| 15. |
Which of the following is produced by the conversion of solar energy using a photovoltaic cell? |
| A. | thermal energy |
| B. | mechanical energy |
| C. | optical energy |
| D. | electrical energy |
| Answer» E. | |
| 16. |
What is the threshold frequency? |
| A. | Below which the current decreases along with the voltage. |
| B. | Below which photoelectric emission is not possible. |
| C. | Below which the light current is constant. |
| D. | Below which the light current increases with the voltage. |
| Answer» C. Below which the light current is constant. | |
| 17. |
First meeting of the Constituent Assembly of India - |
| A. | 26 जनवरी 1948 को हुई |
| B. | 16 अगस्त 1947 को हुई |
| C. | 26 नवंबर 1947 को हुई |
| D. | 9 दिसंबर 1946 को हुई |
| Answer» E. | |
| 18. |
A breeder reactor is |
| A. | which does not require fission material. |
| B. | Which generates more of the material to be fissioned. |
| C. | Which uses only heavy water. |
| D. | None of the above. |
| Answer» C. Which uses only heavy water. | |
| 19. |
Which of the following is the first nuclear plant in India? |
| A. | Tarapur |
| B. | Kalpakkam |
| C. | quota |
| D. | Narora |
| Answer» B. Kalpakkam | |
| 20. |
What is the relation between Dhruva, Purnima and Cyrus? |
| A. | These are Indian research reactors. |
| B. | These are stars. |
| C. | These are the names of famous books. |
| D. | These are power plants. |
| Answer» B. These are stars. | |
| 21. |
Heavy water is made in India by- |
| A. | in Trombay |
| B. | in Delhi |
| C. | in Assam |
| D. | in Bhilai |
| Answer» B. in Delhi | |
| 22. |
A fast breeder reactor is a nuclear reactor that generates electricity |
| A. | by thawing process. |
| B. | Using hard water as a purifier. |
| C. | By burning and regenerating the phenyl materials used by it. |
| D. | With the help of solar cells. |
| Answer» B. Using hard water as a purifier. | |
| 23. |
The end product of radioactive decomposition of uranium is |
| A. | lead |
| B. | radium |
| C. | Thorium |
| D. | Plutonium |
| Answer» B. radium | |
| 24. |
Which of the following elements is used in solar? |
| A. | silicone |
| B. | Benedium |
| C. | cerium |
| D. | astatine |
| Answer» B. Benedium | |
| 25. |
Which one of the following is not radioactive - |
| A. | francium |
| B. | Zirconium |
| C. | astatine |
| D. | tritium |
| Answer» C. astatine | |
| 26. |
emits radioactive material |
| A. | gamma ray |
| B. | beta ray |
| C. | alpha ray |
| D. | all of the above |
| Answer» E. | |
| 27. |
What will happen if control rods are not used in a running nuclear reactor? |
| A. | The chain process will run out of bounds. |
| B. | The reactor will continue to function as it should. |
| C. | Work in the reactor will slow down. |
| D. | The reactor will stop working. |
| Answer» B. The reactor will continue to function as it should. | |
| 28. |
Which of the following is not a fuel - |
| A. | radium |
| B. | helium |
| C. | Thorium |
| D. | uranium |
| Answer» C. Thorium | |
| 29. |
The strongest force in nature is |
| A. | nuclear force |
| B. | gravitational force |
| C. | magnetic force |
| D. | electric force |
| Answer» B. gravitational force | |
| 30. |
Which of the following types of radiation has the highest energy? |
| A. | in visible rays |
| B. | X-ray |
| C. | infrared |
| D. | ultraviolet |
| Answer» C. infrared | |
| 31. |
Photovoltaic cell is related to – |
| A. | from nuclear energy |
| B. | from geothermal energy |
| C. | from solar power |
| D. | from wind power |
| Answer» B. from geothermal energy | |
| 32. |
How many members were there in the Constituent Assembly formed under the Cabinet Mission Plan? |
| A. | 389 सदस्य |
| B. | 411 सदस्य |
| C. | 289 सदस्य |
| D. | 487 सदस्य |
| Answer» B. 411 सदस्य | |
| 33. |
Which of the following can confirm whether drinking water has gamma emitting isotopes or not? |
| A. | Microscopes |
| B. | spectrophotometer |
| C. | lead board |
| D. | oscillation counter |
| Answer» D. oscillation counter | |
| 34. |
The source of renewable energy of stars is due to - |
| A. | Excess of oxygen which helps in burning and generates energy. |
| B. | decay of radioactive substances. |
| C. | Conversion of helium to hydrogen. |
| D. | Conversion of hydrogen into helium. |
| Answer» E. | |
| 35. |
Energy is created in the Sun - |
| A. | by nuclear fission |
| B. | by nuclear fusion |
| C. | by oxidation reactions |
| D. | by reduction reactions |
| Answer» C. by oxidation reactions | |
| 36. |
Enriched uranium is |
| A. | Uranium sticks kept in a special shell. |
| B. | प्राकृतिक यूरेनियम जिसमें रेडियोधर्मी यूरेनियम - 235 आइसोटोप का घटक कृत्रिम रुप से बढ़ाया जाता है। |
| C. | A mixture of natural uranium and thorium. |
| D. | Chromium Coated Uranium Rods |
| Answer» C. A mixture of natural uranium and thorium. | |
| 37. |
Molecular power is not related to - |
| A. | monazite |
| B. | iridium |
| C. | Chromium |
| D. | Thorium |
| Answer» D. Thorium | |
| 38. |
The half-life of a radioactive substance is 10 days, which means - |
| A. | पदार्थ का पूर्ण विघटन 20 दिनों में हो जाएगा। |
| B. | पदार्थ का पूर्ण विघटन 40 दिनों में हो जाएगा। |
| C. | पदार्थ के 3/4 भाग का विघटन 20 दिनों में हो जाएगा। |
| D. | पदार्थ के 1/4 भाग का विघटन 5 दिनों में हो जाएगा। |
| Answer» D. पदार्थ के 1/4 भाग का विघटन 5 दिनों में हो जाएगा। | |
| 39. |
There is a compound in the word 'Reindeer' - |
| A. | working class |
| B. | polyhedron |
| C. | extravagance |
| D. | Conflict |
| Answer» C. extravagance | |
| 40. |
The first nuclear power station of India was |
| A. | Narora Atomic Power Station |
| B. | BARC |
| C. | Tarapur Atomic Power Station |
| D. | none of these |
| Answer» D. none of these | |
| 41. |
In which case both the terms are predominant? |
| A. | Conflict |
| B. | Tatpurush Samas |
| C. | polyhedron |
| D. | staff |
| Answer» B. Tatpurush Samas | |
| 42. |
Who called Indian federalism cooperative? |
| A. | g. austin |
| B. | K.C.Whier |
| C. | sir ivor jenins |
| D. | DD Vasu |
| Answer» C. sir ivor jenins | |
| 43. |
Which of the following elements does not come under the category of atomic fuel? |
| A. | cadmium |
| B. | Plutonium |
| C. | Thorium |
| D. | uranium |
| Answer» B. Plutonium | |
| 44. |
The official code for Pokhran nuclear test - 1974 was - |
| A. | smiling buddha |
| B. | Tarapur |
| C. | thunder bolt |
| D. | Narora |
| Answer» B. Tarapur | |
| 45. |
The word 'Mahajan' contains: |
| A. | working class |
| B. | Dwigu Samas |
| C. | Conflict |
| D. | extravagance |
| Answer» B. Dwigu Samas | |
| 46. |
Which of the following is not an example of Tatpurusha Samasa? |
| A. | Ajanma |
| B. | Prince |
| C. | Yagyavedi |
| D. | villagers |
| Answer» B. Prince | |
| 47. |
The essence in 'Bliss' is: |
| A. | polyhedron |
| B. | extravagance |
| C. | working class |
| D. | Conflict |
| Answer» D. Conflict | |
| 48. |
Jagdish |
| A. | world +ish |
| B. | Jagd +ish |
| C. | world+ish |
| D. | world+ish |
| Answer» D. world+ish | |
| 49. |
Lovely : |
| A. | mind +ohr |
| B. | Mano + Har |
| C. | mind:+every |
| D. | Manoh + and |
| Answer» D. Manoh + and | |
| 50. |
The word 'Garudeva' contains: |
| A. | working class |
| B. | extravagance |
| C. | Tatpurush Samas |
| D. | polyhedron |
| Answer» B. extravagance | |