InterviewSolution
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InterviewSolution
This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Why is it difficult to breathe at higher altitudes?1).Due to low air pressure2).Due to low temperature3).Due to ozone4).Due to high humidity |
| Answer» | |
| 2. |
Natural rubber is the polymer of:1). isoprene2). Styrene3). Butadiene4). Ethylene |
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| 3. |
Which of the following is used for refrigeration?1). Sulphur dioxide2). Chlorine3). Freon4). Phosphine |
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| 4. |
The drugMarijuanais a1). sedative2). mental stimulant3). hallucinating substance4). tranquillizer |
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| 5. |
Galena is a mineral of1). Iron2). gold3). lead4). calcium |
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| 6. |
Which of the following is ozone depleting pesticide ?1). D.D.T.2). Benzene3). Methyl bromide4). Ethylene ozonide |
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| 7. |
Hydrogen bomb is based on the principle of1). controlled fission reaction2). uncontrolled fission reaction3). controlled fusion reaction4). uncontrolled fusion reaction |
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| 8. |
If all bullets could not be removed from gunshot injury of a man it may cause poisoning by1). Mercury2). Lead3). Iron4). Arsenic |
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| 9. |
Water gas is the mixture of1). carbon dioxide and hydrogen2). carbon monoxide and nitrogen3). carbon monoxide and hydrogen4). carbon dioxide and nitrogen |
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| 10. |
Mortar is a mixture of water sand and1). Slaked lime2). Quick lime3). Limestone4). Gypsum |
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| 11. |
Which of the following elements is not present in stainless steel?1). Iron2). Tungsten3). Chromium4). Nickel |
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| 12. |
Glass is a1). pure solid2). supercooled liquid3). gel4). polymer |
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| 13. |
Which of the following is the major constituent of LPG?1). Methane2). Ethane3). Propane4). Butane |
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| 14. |
The cathode of a lead storage battery is made up of1). Zinc2). Lead3). Lead oxide4). Manganese dioxide |
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| 15. |
The acid used in lead storage cells is1). phosphoric acid2). hydrochloric acid3). nitric acid4). sulphuric acid |
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| 16. |
Supersonic Jet causes pollution by thinning of1). O2 layer2). O2 layer3). S02 layer4). CO2 layer |
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| 17. |
Sea weeds are important source of1). iron2). chlorine3). bromine4). iodine |
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| 18. |
The long range potential of nu I clear energy in India depends on i its reserves of1). thorium2). uranium3). plutonium4). radium |
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| 19. |
Carbon monoxide is an inflammable gas. Which one of the following is also inflammable?1). Helium2). Nitrogen3). Oxygen4). Hydrogen |
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| 20. |
Which type of fire extinguisher is used for petroleum fire ?1). Foam type2). Soda acid type3). Powder type4). None of these |
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| 21. |
Refrigerators keep food unspoiled because1). at its low temperature bacteria and moulds are Inactive2). at its low temperature the germs are killed3). at Its low temperature the germs are frozen4). it sterilises the food |
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| 22. |
The element which is commonly used in nuclear for producing electricity by nuclear fission is1). Radium2). Plutonium3). Uranium4). Deuterium |
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| 23. |
Quartz is made of1). Calcium Sulphate2). Calcium Silicate3). Sodium Sulphate4). Sodium Silicate |
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| 24. |
The natural source of hydrocarbon is1). Crude oil2). Biomass3). Coal4). Carbohydrates |
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| 25. |
The chiefsource for the production of nitrogeneous fertilizers is :1). Ammonia2). Nitric acid3). Nitrogen4). Nitrogen dioxide |
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| 26. |
Which one of the following minerals is found in pure form?1). Iron2). Copper3). Bauxite4). Manganese |
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| 27. |
435: Conduction band electrons have more mobility than holes because they1). are lighter2). experience collision less frequently3). have negative charge4). needless energy to move them |
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| 28. |
Nucleus of an atom consists of1). Proton2). Neutron3). Proton and Neutron4). Electron Proton and Neutron |
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| 29. |
What is the name of that system which uses radioactivity to decide the period of materials of pre his tone period ?1). Radium dating2). Uranium dating3). Carbon dating4). Deuterium dating |
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| 30. |
An example of semiconductor is1). Germansilver2). Germanium3). Phosphorous4). Arsenic |
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| 31. |
The acid rain destroys vegetations because it contains1). nitric acid2). ozone3). carbon monoxide4). sulphuric acid |
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| 32. |
Domestic cooking gas consists mostly of1). methane and ethane2). liquefied butane and isobutane3). hydrogen and acetylene4). ethylene and carbon monoxide. |
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| 33. |
One of the constituents of tear gas is1). Ethane2). Ethanol3). Ether4). Chloropicrin |
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| 34. |
The element used for making solar cells is1). Magnesium2). Sodium3). Calcium4). Silicon |
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| 35. |
The fuel used in an atomic reactor is1). Coal2). Petrol3). Combustable gases4). Uranium |
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| 36. |
When a spoon is to be electroplated with nickel the spoon is1). dipped in a nickel sulphate solution2). made anode and a pure nickel rod the cathode3). made cathode and a pure nickel red the anode4). coated with nickel sulphate and dried |
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| 37. |
Aluminum can be purified by1). oxidation2). distillation3). electrolysis4). ozonolysis |
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| 38. |
Commercially sodium bicarbonate is known as1). Washing soda2). Baking soda3). Bleaching powder4). Soda ash |
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| 39. |
Milk is a natural1). Solution2). Emulsion3). Mixture4). Suspension |
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| 40. |
The common name for the compound having formal NaOH is1). Caustic soda2). Caustic potash3). Soda ash4). Sodium hydroxide |
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| 41. |
Bleaching powder is used in drinking water as a an1). (a)(X) disinfectant2). antibiotic3). antiseptic4). coagulant |
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| 42. |
What is the most common salt in sea water ?1). Calcium carbonate2). Potassium chloride3). Sodium chloride4). Magnesium sulphate |
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| 43. |
Which of the inert gases can form compounds?1). Helium2). Xenon3). Krypton4). Argon |
| Answer» | |
| 44. |
Which type of glass is used for making glass reinforced plastic?1). Pyrex glass2). Flint glass3). Quartz glass4). Fibre glass |
| Answer» QUARTZ GLASS | |
| 45. |
Bone ash contains1). Calcium sulphate2). Phosphoric sulphate3). Calcium phosphate4). Calcium hypophosphate |
| Answer» | |
| 46. |
Which one of the following is not a greenhouse gas ?1). Chlorofluorocarbons2). Methane3). Carbon dioxide4). Nitrogen |
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| 47. |
The polymerisation of which of the following is used in manufacturing of polythene in industry ?1). Methane2). Styrene3). Acetylene4). Ethylene |
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| 48. |
The Bhopal tragedy was caused by the gas1). phosgene2). carbon monoxide3). methyl isocyanate4). chlorine |
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| 49. |
Which of the following imparts deep blue colour to glass ?1). Cobalt oxide2). Cupric oxide3). Ferrous oxide4). Nickel oxide |
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| 50. |
The coloured discharge tubes foradvertisement mainly contain1). Xenon2). Argon3). Helium4). Neon |
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