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. |
Which of the following is the main compound of voter ink? |
| A. | ilver nitrate |
| B. | mmonium Chloride |
| C. | ilver Chloride |
| D. | mmonium Nitrate |
| Answer» B. mmonium Chloride | |
| 2. |
Which one of the following minerals is found in Monazite sand ? |
| A. | otassium |
| B. | ranium |
| C. | horium |
| D. | odium |
| Answer» D. odium | |
| 3. |
Vulcanization of rubber is carried out by adding |
| A. | ulphur |
| B. | arbon |
| C. | zone |
| D. | hosphorus |
| Answer» B. arbon | |
| 4. |
Helium is added to the oxygen supply of deep sea divers because it is |
| A. | ess poisonous than nitrogen |
| B. | ighter than nitrogen |
| C. | eadily miscible with oxygen |
| D. | ess soluble in blood than nitrogen at high pressure |
| Answer» E. | |
| 5. |
The strongest oxidizing agent among the following is: |
| A. | hlorine |
| B. | odine |
| C. | luorine |
| D. | xygen |
| Answer» D. xygen | |
| 6. |
Sea weeds are important source of |
| A. | luorine |
| B. | hlorine |
| C. | romine |
| D. | odine |
| Answer» E. | |
| 7. |
Seaweeds are important source of |
| A. | ron |
| B. | hlorine |
| C. | romine |
| D. | odine |
| Answer» E. | |
| 8. |
Iodine value is used to estimate |
| A. | ydroxyl groups in oil |
| B. | lkali content in oil |
| C. | nsaturation in oil |
| D. | arboxylic groups in oil |
| Answer» D. arboxylic groups in oil | |
| 9. |
Which of the following is colourless? |
| A. | hlorine |
| B. | xygen |
| C. | hosphorus |
| D. | ulphur |
| Answer» C. hosphorus | |
| 10. |
Catalytic converters are generally made from : |
| A. | lkaline metals |
| B. | ydrogen |
| C. | ransition metals |
| D. | arbon |
| Answer» D. arbon | |
| 11. |
Which among the following is used as a catalyst in the production of high octane fuels? |
| A. | NO3 |
| B. | 2SO4 |
| C. | Cl |
| D. | F |
| Answer» C. Cl | |
| 12. |
Which of the following is the best fuel in terms of energy released per gram of fuel? |
| A. | ydrogen |
| B. | ethane |
| C. | thanol |
| D. | utane |
| Answer» B. ethane | |
| 13. |
Among the fuels given below, the one with highest calorific value is |
| A. | oke |
| B. | oal |
| C. | ood |
| D. | atural gas |
| Answer» E. | |
| 14. |
Which of the following alkali metals has highest specific heat? |
| A. | aesium |
| B. | ubidium |
| C. | otassium |
| D. | ithium |
| Answer» E. | |
| 15. |
Which one of the following organic compound is used to remove stains of iron compounds? |
| A. | xalic acid |
| B. | enzoic acid |
| C. | hthalic acid |
| D. | innamic acid |
| Answer» B. enzoic acid | |
| 16. |
The apparatus used to test acidity of aqueous solution is |
| A. | H meter |
| B. | mmeter |
| C. | ygrometer |
| D. | cidmeter |
| Answer» B. mmeter | |
| 17. |
'Vinegar' is a commercial name of |
| A. | xalic acid |
| B. | ydrochloric acid |
| C. | cetic acid |
| D. | itric acid |
| Answer» D. itric acid | |
| 18. |
During fermentation of sugar, the compound which is always formed is : |
| A. | ethyl Alcohol |
| B. | thyl Alcohol |
| C. | cetic Acid |
| D. | thylene |
| Answer» C. cetic Acid | |
| 19. |
Which of the following substance's smell is similar to Ethanoic acid? |
| A. | omato juice |
| B. | erosene |
| C. | inegar |
| D. | emon |
| Answer» D. emon | |
| 20. |
Which of the following is not a derivative of barbituric acid? |
| A. | embutal |
| B. | mytal |
| C. | eronal |
| D. | quanil |
| Answer» E. | |
| 21. |
Which one of the following is found in Vinegar ? |
| A. | cetic acid |
| B. | ropionic acid |
| C. | ormic acid |
| D. | utyric acid |
| Answer» B. ropionic acid | |
| 22. |
Vinegar made by fermentation from cane sugar contains |
| A. | almitic acid |
| B. | actic acid |
| C. | itric acid |
| D. | cetic acid |
| Answer» E. | |
| 23. |
The chief constituent of vinegar is |
| A. | ormic acid |
| B. | cetic acid |
| C. | alycylic acid |
| D. | xalic acid |
| Answer» C. alycylic acid | |
| 24. |
Which among the following is a carbohydrate ? |
| A. | ylon |
| B. | ane-sugar |
| C. | urpentine |
| D. | ydrogen peroxide |
| Answer» C. urpentine | |
| 25. |
What is the second largest component in milk ? |
| A. | at |
| B. | inerals |
| C. | ater |
| D. | ugar |
| Answer» B. inerals | |
| 26. |
The presence of Cobalt in Vitamin B12 was established for the first time by |
| A. | ydrolysis test |
| B. | pectroscopy |
| C. | orax-Bead test |
| D. | odium Nitroprusside test |
| Answer» C. orax-Bead test | |
| 27. |
Which of the following vitamins is generally excreted by human in urine? |
| A. | itamin B |
| B. | itamin C |
| C. | itamin D |
| D. | one of these |
| Answer» E. | |
| 28. |
German silver used for making utensils is an alloy of |
| A. | opper, silver, nickel |
| B. | opper, zinc, nickel |
| C. | opper, zinc, aluminium |
| D. | opper, nickel, aluminium |
| Answer» C. opper, zinc, aluminium | |
| 29. |
Which of the following is used in dating archaeological findings ? |
| A. | 2235U |
| B. | 14C |
| C. | 3H |
| D. | 18O |
| Answer» C. 3H | |
| 30. |
Which of the following elements is non-radioactive ? |
| A. | ranium |
| B. | horium |
| C. | lutonium |
| D. | irconium |
| Answer» E. | |
| 31. |
Yellow Cake an item of smuggling across border is |
| A. | crude from of heroin |
| B. | crude from of cocaine |
| C. | ranium oxide |
| D. | nreformed gold |
| Answer» D. nreformed gold | |
| 32. |
The enzyme that converts glucose to ethyl alcohol is : |
| A. | nvertase |
| B. | altase |
| C. | ymase |
| D. | iastase |
| Answer» D. iastase | |
| 33. |
Silicon is a |
| A. | emiconductor |
| B. | nsulator |
| C. | on-conductor |
| D. | onductor |
| Answer» B. nsulator | |
| 34. |
Silica gel is a |
| A. | oisturizer |
| B. | lavouring agent |
| C. | rying agent |
| D. | elicious food |
| Answer» D. elicious food | |
| 35. |
Which of the following elements is obtained from seaweeds ? |
| A. | odine |
| B. | anadium |
| C. | rgon |
| D. | ulphur |
| Answer» B. anadium | |
| 36. |
An inert gas mixed with oxygen given to patients suffering from restricted breathing is |
| A. | elium |
| B. | rypton |
| C. | adon |
| D. | rgon |
| Answer» B. rypton | |
| 37. |
In its reaction with silver nitrate, C2H2 shows |
| A. | xidising property |
| B. | educing property |
| C. | asic property |
| D. | cidic property |
| Answer» E. | |
| 38. |
Which of the following alloy is used in making magnet ? |
| A. | uralumin |
| B. | tainless steel |
| C. | lnico |
| D. | agnalium |
| Answer» D. agnalium | |
| 39. |
Vulcanized rubber contains sulphur |
| A. | % |
| B. | -5% |
| C. | -9% |
| D. | 0-15% |
| Answer» C. -9% | |
| 40. |
Which of the inert gases can form compounds? |
| A. | elium |
| B. | enon |
| C. | rypton |
| D. | rgon |
| Answer» C. rypton | |
| 41. |
Silicon is used in |
| A. | olar energy devices |
| B. | emiconductors |
| C. | ransistors |
| D. | ll of these |
| Answer» E. | |
| 42. |
Which one of the following does not form oxyacid ? |
| A. | ulphur |
| B. | hlorine |
| C. | itrogen |
| D. | luorine |
| Answer» E. | |
| 43. |
The noble gas used in radiotherapy is |
| A. | eon |
| B. | rgon |
| C. | adon |
| D. | enon |
| Answer» D. enon | |
| 44. |
The inert gas used as beacon light is |
| A. | r |
| B. | r |
| C. | e |
| D. | e |
| Answer» E. | |
| 45. |
Hamburger effect is otherwise known as– |
| A. | odium pump |
| B. | naerobic metabolism |
| C. | hloride shift |
| D. | espiratory product |
| Answer» D. espiratory product | |
| 46. |
The substance that is added to make natural rubber strong and more bouncy is |
| A. | olythene |
| B. | ponge |
| C. | ulphur |
| D. | hlorine |
| Answer» D. hlorine | |
| 47. |
In vulcanisation process, rubber can be hardened by adding |
| A. | itrogen |
| B. | ilicon |
| C. | ulphur |
| D. | lcohol |
| Answer» D. lcohol | |
| 48. |
Which one of the following statements is not correct? Vulcanisation of rubber makes it |
| A. | oft and flexible |
| B. | trong and hard |
| C. | hemical resistant |
| D. | ithstand higher temperatures |
| Answer» B. trong and hard | |
| 49. |
Which of the following is not a method of preparing oxygen? |
| A. | lectrolysis of water |
| B. | ractional distillation of liquid air |
| C. | ecomposition of potassium permanganate |
| D. | ecomposition of manganese dioxide |
| Answer» E. | |
| 50. |
Nitrogen is an essential constituent of all : |
| A. | ats |
| B. | roteins |
| C. | itamins |
| D. | arbohydrates |
| Answer» C. itamins | |