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. |
Ascorbic acid is - |
| A. | Vitamin K |
| B. | Vitamin B |
| C. | Vitamin A |
| D. | Vitamin C |
| Answer» E. | |
| 2. |
One of these vitamins is called erythrocyte maturation factor - |
| A. | A |
| B. | C |
| C. | K |
| D. | B12 |
| Answer» E. | |
| 3. |
Enzymes are absent in - |
| A. | fungi |
| B. | bacteria |
| C. | viruses |
| D. | algae |
| Answer» B. bacteria | |
| 4. |
Vitamins are - |
| A. | inorganic substances which cannot be synthesized by animals |
| B. | inorganic by animals |
| C. | organic substances that cannot be generally synthesized by animals |
| D. | organic substances which can be commonly synthesized by animals |
| Answer» D. organic substances which can be commonly synthesized by animals | |
| 5. |
J. B. Sumner isolated first enzyme from Jackbeans as - |
| A. | amylase |
| B. | trypsin |
| C. | urease |
| D. | renin |
| Answer» D. renin | |
| 6. |
The fastest acting enzyme in the biological kingdom is - |
| A. | lipase |
| B. | amylase |
| C. | carboxypeptidase |
| D. | carbonic anhydrase |
| Answer» C. carboxypeptidase | |
| 7. |
The enzymes sucrase acts on - |
| A. | sucrose only |
| B. | sucrose and starch |
| C. | all disaccharides |
| D. | any organic monomer |
| Answer» D. any organic monomer | |
| 8. |
German biochemist, Emil Fischer - |
| A. | gave Operon model |
| B. | compared the fit between enzyme substrate to lock and key |
| C. | proposed the theory of competitive inhibition |
| D. | proposed the feed back inhibition theory |
| Answer» D. proposed the feed back inhibition theory | |
| 9. |
Coenzyme is - |
| A. | always protein |
| B. | often metal |
| C. | always inorganic compound |
| D. | often a vitamin |
| Answer» D. often a vitamin | |
| 10. |
Enzymes generally have - |
| A. | same pH and temperature optima |
| B. | same pH but different temperature optima |
| C. | different pH but same temperature optima |
| D. | different pH and temperature optima |
| Answer» E. | |
| 11. |
What is the unit for measuring the pitch or frequency of sound ? |
| A. | Coulomb |
| B. | Hum |
| C. | Cycles |
| D. | Decible |
| Answer» E. | |
| 12. |
One fathom is equal to - |
| A. | 6 metres |
| B. | 6 feet |
| C. | 60 feet |
| D. | 60 cms |
| Answer» C. 60 feet | |
| 13. |
Which thermometer is used to indicate the lowest temperature ? |
| A. | Clinical thermometer |
| B. | Gas thermometer |
| C. | Alcohol thermometer |
| D. | Resistance thermometer |
| Answer» C. Alcohol thermometer | |
| 14. |
A chronometer measures - |
| A. | Sound waves |
| B. | Time |
| C. | Water waves |
| D. | Colour contrast |
| Answer» C. Water waves | |
| 15. |
Hydrometer is an instrument - |
| A. | For measuring sound in water |
| B. | To detect the presence of hydrogen in the atmosphere |
| C. | For measuring the specific gravity of liquids |
| D. | To detect the changes in atmospheric humidity |
| Answer» D. To detect the changes in atmospheric humidity | |
| 16. |
Water gas is prepared by passing - |
| A. | Steam over white hot coke |
| B. | Air over red hot coke |
| C. | Methane over red hot coke |
| D. | Steam over heated sulphur |
| Answer» B. Air over red hot coke | |
| 17. |
One micron is equal to - |
| A. | 1/10th of mm |
| B. | 1/100th of mm |
| C. | 1/1000th of mm |
| D. | 1/10000th of mm |
| Answer» D. 1/10000th of mm | |
| 18. |
In November 2014, the Uttar Pradesh government made a provision of Rs._________crores for construction of toilets in rural areas under Swachh Bharat Mission (rural) |
| A. | 123 |
| B. | 315 |
| C. | 556 |
| D. | 685 |
| Answer» E. | |
| 19. |
Water is neither acidic nor alkaline because - |
| A. | it cannot accept or donate protons |
| B. | it boils at high temperature |
| C. | it can dissociate into equal number of hydrogen ions |
| D. | it cannot donate or accept electrons |
| Answer» D. it cannot donate or accept electrons | |
| 20. |
PVC is obtained by the polymerisation of - |
| A. | Propene |
| B. | Vinyl Chloride |
| C. | Styrene |
| D. | Acetylene |
| Answer» C. Styrene | |
| 21. |
Saponification involves the hydrolysis of fats and oils by - |
| A. | Water |
| B. | Washing soda |
| C. | Stearic acid |
| D. | Caustic acid |
| Answer» E. | |
| 22. |
Which of the following gases is obtained by the reaction of water with Calcium Carbide ? |
| A. | Acetylene |
| B. | Ethylene |
| C. | Methane |
| D. | Water gas |
| Answer» B. Ethylene | |
| 23. |
Reaction of alcohol, with carboxylic acid is known as - |
| A. | Substitution reaction |
| B. | Addition reaction |
| C. | Esterification |
| D. | Hydrogenation |
| Answer» D. Hydrogenation | |
| 24. |
Which of following substances undergoes chemical change on heating ? |
| A. | Sodium Chloride |
| B. | Silica |
| C. | Lead Nitrate |
| D. | Platinum wire |
| Answer» D. Platinum wire | |
| 25. |
Which of the following metals can displace zinc from a solution of zinc sulphate ? |
| A. | Lead |
| B. | Magnetism |
| C. | Iron |
| D. | Mercury |
| Answer» C. Iron | |
| 26. |
The gas liberated during the reaction of copper with dilute nitric acid is - |
| A. | NO2 |
| B. | N2O5 |
| C. | O2 |
| D. | NO |
| Answer» E. | |
| 27. |
Which of the following metals can displace hydrogen from dilute acids ? |
| A. | Zinc |
| B. | Gold |
| C. | Copper |
| D. | Silver |
| Answer» B. Gold | |
| 28. |
A mixture of iron filings and sand can be separated by - |
| A. | Heating |
| B. | Sublimation |
| C. | Hand picking |
| D. | Magnetic Separation |
| Answer» E. | |
| 29. |
The rate of chemical reaction does not depend on - |
| A. | Concentration |
| B. | Catalyst |
| C. | Temperature |
| D. | Pressure |
| Answer» E. | |
| 30. |
The chemical used as a fixer in photography is - |
| A. | Borax |
| B. | Sodium thiosulphate |
| C. | Sodium Sulphate |
| D. | Ammonium persulphate |
| Answer» C. Sodium Sulphate | |
| 31. |
Which of the following substances exhibit the property of sublimation ? |
| A. | Ice |
| B. | Wax |
| C. | Camphor |
| D. | Ethyl Alcohol |
| Answer» D. Ethyl Alcohol | |
| 32. |
In which of the following process, Vanadium Pentoxide is used as a catalyst ? |
| A. | Contact process |
| B. | Haber process |
| C. | Solvary process |
| D. | None of these |
| Answer» B. Haber process | |
| 33. |
Photosynthesis is - |
| A. | An exothermic process |
| B. | An endothermic process |
| C. | A neutral process |
| D. | A thermostatic process |
| Answer» C. A neutral process | |
| 34. |
Combustion is the process in which - |
| A. | Heat is produced |
| B. | Light is produced |
| C. | Heat and Light is produced |
| D. | None of these |
| Answer» D. None of these | |
| 35. |
Cooking oil can be converted into vegetables ghee by the process of - |
| A. | Oxidation |
| B. | Hydrogenation |
| C. | Distillation |
| D. | Crystallisation |
| Answer» C. Distillation | |
| 36. |
In which following processes light energy is converted into chemical energy ? |
| A. | Respiration |
| B. | Fermentation |
| C. | Photosynthesis |
| D. | Photorespiration |
| Answer» D. Photorespiration | |
| 37. |
A mixture of water and alcohol can be separated by - |
| A. | Filtration |
| B. | Evaporation |
| C. | Distillation |
| D. | Decantation |
| Answer» D. Decantation | |
| 38. |
A substance which changes readily into vapour without heating is called - |
| A. | Efflorescent |
| B. | Synthetic |
| C. | Volatile |
| D. | Effervescent |
| Answer» D. Effervescent | |
| 39. |
Under the National Rural Drinking Water Programme (NRDWP) by 2022 every rural person in the country should have access to how many litres per capita per day of water within their household premises or at a horizontal or vertical distance of not more than 50 metres from their household ? |
| A. | 60 |
| B. | 70 |
| C. | 80 |
| D. | 100 |
| Answer» C. 80 | |
| 40. |
Epoxy resins is used as - |
| A. | Moth repellants |
| B. | Insecticides |
| C. | Detergents |
| D. | Adhesives |
| Answer» E. | |
| 41. |
Glass is made from the mixture of - |
| A. | Quartz and mica |
| B. | Sand and salt |
| C. | Sand and silicates |
| D. | None of these |
| Answer» D. None of these | |
| 42. |
Which of the following is a physical change ? |
| A. | oxidation |
| B. | reduction |
| C. | sublimation |
| D. | decomposition |
| Answer» D. decomposition | |
| 43. |
Photo-synthesis is a/ an -- |
| A. | exothermic process |
| B. | endothermic process |
| C. | a neutral process |
| D. | a thermostatic process |
| Answer» C. a neutral process | |
| 44. |
Photoelectric effect was discovered by -- |
| A. | Einstein |
| B. | Hertz |
| C. | Bohr |
| D. | Plank |
| Answer» B. Hertz | |
| 45. |
Saponification involves the hydrolysis of fats and oils by -- |
| A. | water |
| B. | washing soda |
| C. | stearic acid |
| D. | caustic soda |
| Answer» E. | |
| 46. |
The major ingredient of leather is - |
| A. | Carbohydrate |
| B. | Collagen |
| C. | Polymer |
| D. | Nucleic acid |
| Answer» C. Polymer | |
| 47. |
Which of the following is a chemical change ? |
| A. | Rusting of iron |
| B. | Tempering of iron |
| C. | Melting of iron |
| D. | Bending of iron |
| Answer» B. Tempering of iron | |
| 48. |
Which one among the following serves as the subordinate judicial service of the State of Uttar Pradesh ? |
| A. | The district court of Banda |
| B. | The district court of Eatawh |
| C. | The district court of Chandauli |
| D. | The district court of Pilibhit |
| Answer» B. The district court of Eatawh | |
| 49. |
Cholesterol is one kind of -- |
| A. | Saturated fatty acid |
| B. | unsaturated fatty acid |
| C. | Steroid |
| D. | Diglyceride |
| Answer» B. unsaturated fatty acid | |
| 50. |
Chemically ‘speropolenin’ is a / an -- |
| A. | co-polymer of carotinoid and fatty acid |
| B. | Carbohydrate |
| C. | Propene |
| D. | Lactic acid |
| Answer» B. Carbohydrate | |