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. |
Anemia is caused mainly due to |
| A. | Iron deficiency |
| B. | Zinc deficiency |
| C. | Calcium deficiency |
| D. | Magnesium deficiency |
| Answer» B. Zinc deficiency | |
| 2. |
When cool air flows from a high mountain region to a lower elevation |
| A. | Undergoes adiabatic warming |
| B. | Moisute content of the air will increase |
| C. | Air will condense to form large amount of dew |
| D. | Undergoes adiabatic cooling |
| Answer» B. Moisute content of the air will increase | |
| 3. |
The colour of a blue litmus paper will turns __ when you put a drop of acid on it |
| A. | red |
| B. | green |
| C. | yellow |
| D. | pink |
| Answer» B. green | |
| 4. |
The Hydraulic press used to lift a car is based on the following principle |
| A. | Pascal's Principle |
| B. | Archimedes Principle |
| C. | Bernoulli's Principle |
| D. | Magnus Effect |
| Answer» B. Archimedes Principle | |
| 5. |
The fastest rotating planet in the solar system is |
| A. | Mercury |
| B. | Jupiter |
| C. | Venus |
| D. | Saturn |
| Answer» C. Venus | |
| 6. |
Out of the below given materials, the speed of light would be minimum while passing through |
| A. | Water |
| B. | Air |
| C. | Vacuum |
| D. | Glass |
| Answer» E. | |
| 7. |
Which is the most abundant element by mass in human body |
| A. | Oxygen |
| B. | Carbon |
| C. | Hydrogen |
| D. | Calcium |
| Answer» B. Carbon | |
| 8. |
If Kidneys of a person are not working, he would undergo |
| A. | Radiolysis |
| B. | Pyrolysis |
| C. | Dialysis |
| D. | Hydrolysis |
| Answer» D. Hydrolysis | |
| 9. |
Which of the element is used as fungicide |
| A. | Calcium |
| B. | Phosphorous |
| C. | Sulphur |
| D. | Carbon |
| Answer» D. Carbon | |
| 10. |
What is the full form of RLV in rocket terminology |
| A. | Retro Launch Vehicle |
| B. | Returnable Launch Vehicle |
| C. | Retreating Launch Vehicle |
| D. | Repeat Launch Vehicle |
| Answer» C. Retreating Launch Vehicle | |
| 11. |
The most abundant organic compound in world is |
| A. | Alkaloids |
| B. | Methane |
| C. | Chlorophyll |
| D. | Cellulose |
| Answer» E. | |
| 12. |
Which of the following can be prepared using Methyl Alcohol |
| A. | Bakelite |
| B. | Neoprene |
| C. | Perspex |
| D. | Sponge rubber |
| Answer» B. Neoprene | |
| 13. |
Which of the following materials is normally used in a breath analyzer test to ascertain whether a person is drunk or not ? |
| A. | Potassium dichromate crystals |
| B. | Potassium permanganate powder |
| C. | Silica gel |
| D. | Baking soda |
| Answer» B. Potassium permanganate powder | |
| 14. |
Which of the following is a super cooled liquid |
| A. | Ice Cream |
| B. | Glass |
| C. | Coke |
| D. | Liquid Nitrogen |
| Answer» C. Coke | |
| 15. |
Which of the following can fix Nitrogen in soil |
| A. | Pea |
| B. | Wheat |
| C. | Rice |
| D. | Maize |
| Answer» B. Wheat | |
| 16. |
Which of the following materials has the highest melting point |
| A. | Bauxite |
| B. | Glass |
| C. | Tungsten |
| D. | Tantalum Carbide |
| Answer» E. | |
| 17. |
The temperature of ice will __ when it is melting |
| A. | decrease |
| B. | increase |
| C. | remain constant |
| D. | fluctuate |
| Answer» D. fluctuate | |
| 18. |
Which of the following would most likely have near zero pH value |
| A. | Milk |
| B. | Pure water |
| C. | Saline water |
| D. | Acid used in Batteries |
| Answer» E. | |
| 19. |
Which of the following chemicals is normally used as "anti freeze" in cars |
| A. | Hexane |
| B. | Ethylene Glycol |
| C. | Ethyl Alcohol |
| D. | Benzene |
| Answer» C. Ethyl Alcohol | |
| 20. |
Which one is not a primary colour |
| A. | Red |
| B. | Green |
| C. | Blue |
| D. | Yellow |
| Answer» E. | |
| 21. |
Which of the following is a key indicator in measurement of organic pollution in rivers and lakes ? |
| A. | Venus Necklace |
| B. | Biochemical Oxygen Demand (BOD) |
| C. | Total Dissolved Solids |
| D. | pH |
| Answer» C. Total Dissolved Solids | |
| 22. |
Sweating is an |
| A. | Energy neutral process |
| B. | Exothermic process |
| C. | Endothermic process |
| D. | None of the above |
| Answer» D. None of the above | |
| 23. |
Which type of chemical process is tarnishing of silver ? |
| A. | Neutralization |
| B. | Cleaning |
| C. | Oxidation |
| D. | Corrosion |
| Answer» E. | |
| 24. |
To store potato chips for a longer period, the sealed packet of chips is normally filled with which gas ? |
| A. | Oxygen |
| B. | Helium |
| C. | Nitrogen |
| D. | Carbon dioxide |
| Answer» D. Carbon dioxide | |
| 25. |
Which of the following assist the eye lens to adjust its focus for viewing bodies at different distances ? |
| A. | Pupil |
| B. | Ciliary muscles |
| C. | Rods |
| D. | Cones |
| Answer» C. Rods | |
| 26. |
Scorpion venom contains toxins which are |
| A. | Proteins |
| B. | Vitamins |
| C. | Cyanides |
| D. | Alkalis |
| Answer» B. Vitamins | |
| 27. |
Which of the following is used in glass industry |
| A. | Sodium Chloride |
| B. | Sodium Carbonate |
| C. | Sodium Bicarbonate |
| D. | Sodium Hydroxide |
| Answer» C. Sodium Bicarbonate | |
| 28. |
Why does the outside of a glass filled with cold water become wet |
| A. | Due to condensation of water vapour in the atmosphere |
| B. | Due to diffusion of water through glass |
| C. | Due to propagation of water on the surface of walls of glass |
| D. | None of the above |
| Answer» B. Due to diffusion of water through glass | |
| 29. |
Into which colour will the yellow silver bromide turn when exposed to sunlight |
| A. | Due to presence of iron in apple |
| B. | Due to settling of micro dust present in air |
| C. | As the original inner colour is brown |
| D. | Due to oxidation of an enzyme present in apple |
| Answer» E. | |
| 30. |
Which of the following enzymes found in saliva is responsible for digestion |
| A. | Maltase |
| B. | Pepsin |
| C. | Amylase |
| D. | Trypsin |
| Answer» D. Trypsin | |
| 31. |
Formation of Carbon dioxide gas from Carbon and Oxygen is a a/an |
| A. | Exothermic reaction |
| B. | Displacement reaction |
| C. | Endothermic reaction |
| D. | Biochemical reaction |
| Answer» B. Displacement reaction | |
| 32. |
The bright colour of fire crackers is due to |
| A. | Reduction of Magnesium |
| B. | Redox reaction |
| C. | Oxidation of Magnesium |
| D. | Explosion of metal |
| Answer» D. Explosion of metal | |
| 33. |
Tobacco plant contains the following alkaloid |
| A. | Resin |
| B. | Morphine |
| C. | Risarpin |
| D. | Nicotine |
| Answer» E. | |
| 34. |
Which vitamin contains Cobalt |
| A. | Vitamin A |
| B. | Vitamin B |
| C. | Vitamin C |
| D. | Vitamin B12 |
| Answer» E. | |
| 35. |
Which of the coolant is used in Fast Breeder Reactors |
| A. | Liquid Helium |
| B. | Liquid Sodium |
| C. | Heavy Water |
| D. | Light Water |
| Answer» C. Heavy Water | |
| 36. |
Who was the first scientist to discover that Malaria is transmitted through Mosquitoes |
| A. | Louis Pasteur |
| B. | Edward Jenner |
| C. | Ronald Ross |
| D. | Samuel Hahnemann |
| Answer» D. Samuel Hahnemann | |
| 37. |
Who discovered that Plants had life |
| A. | Satyendra Nath Bose |
| B. | Jagadish Chandra Bose |
| C. | Jagadish Chandra Ghosh |
| D. | Satyendra Nath Ghosh |
| Answer» C. Jagadish Chandra Ghosh | |
| 38. |
What is the name of the web based Geo Portal developed by ISRO and made available for public use |
| A. | Gagan |
| B. | Akash |
| C. | Prithvi |
| D. | Bhuvan |
| Answer» E. | |
| 39. |
Which one is the commercial and marketing arm of ISRO |
| A. | Devas Corporation Ltd |
| B. | Antariksh Corporation Ltd |
| C. | Antrix Corporation Ltd |
| D. | Space Application Center |
| Answer» D. Space Application Center | |
| 40. |
Which part of the Cinchona plant is used for treatment of Malaria |
| A. | Leaves |
| B. | Roots |
| C. | Bark |
| D. | Seed |
| Answer» D. Seed | |
| 41. |
Who is known as the father of nano-materials |
| A. | Richard Feynman |
| B. | Niels Bohr |
| C. | Max Planck |
| D. | Ernest Rutherford |
| Answer» B. Niels Bohr | |
| 42. |
Detoxification is |
| A. | Treatment to drugs |
| B. | Treatment to Alcoholism |
| C. | Treatment to Tobocaism |
| D. | Treatment to AIDS |
| Answer» B. Treatment to Alcoholism | |
| 43. |
The Planet with the shortest year is |
| A. | Earth |
| B. | Mercury |
| C. | Mars |
| D. | Pluto |
| Answer» C. Mars | |
| 44. |
Paralysis is caused by disorders connected with |
| A. | Brain |
| B. | Kidneys |
| C. | Heart |
| D. | Liver |
| Answer» B. Kidneys | |
| 45. |
Which of the following is required for the clotting of blood |
| A. | Monocyte |
| B. | Macrophage |
| C. | Platelet |
| D. | Eosinophil |
| Answer» D. Eosinophil | |
| 46. |
Which of the following vector transmits the causative agent of sleeping sickness, Trypanosoma brucei to human host |
| A. | Sand fly |
| B. | Tsetse fly |
| C. | House fly |
| D. | Triatomine bug |
| Answer» C. House fly | |
| 47. |
One of the following is grown as biofertilizer |
| A. | Lotus |
| B. | Azolla |
| C. | Hydrilla |
| D. | Eichornia |
| Answer» C. Hydrilla | |
| 48. |
Which of the following chemical is used in photography |
| A. | Aluminium hydroxide |
| B. | Sodium chloride |
| C. | Potassium chloride |
| D. | Silver bromide |
| Answer» E. | |
| 49. |
Which of the following radio isotope is used in the treatment of cancer |
| A. | Co-60 |
| B. | P-30 |
| C. | I-131 |
| D. | U-235 |
| Answer» D. U-235 | |
| 50. |
Which among the following diseases would not be treated with antibiotic |
| A. | Cholera |
| B. | Polio |
| C. | Typhoid |
| D. | Tuberculosis |
| Answer» C. Typhoid | |