MCQOPTIONS
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MCQOPTIONS
This section includes 32 Mcqs, each offering curated multiple-choice questions to sharpen your Science knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
CNG is the abbreviated form of |
| A. | Combined natural gas |
| B. | Compressed Natural Gas |
| C. | Confirmed Natural gas |
| D. | Condemned Natural gas |
| Answer» C. Confirmed Natural gas | |
| 2. |
Naphthalene balls used to repel moth and insect is derived from |
| A. | Petroleum |
| B. | Sugar |
| C. | Coal tar |
| D. | LPG |
| Answer» D. LPG | |
| 3. |
The slow process of conversion of dead vegetation into coal is called |
| A. | Carbonisation |
| B. | fuelification |
| C. | Coalfication |
| D. | None of the above |
| Answer» B. fuelification | |
| 4. |
Coal, Petroleum and natural gas are examples of |
| A. | Exhaustible Natural Resources |
| B. | Inexhaustible Natural Resources |
| C. | Expensive Resources |
| D. | None of the above |
| Answer» B. Inexhaustible Natural Resources | |
| 5. |
To reduce fuel consumption in automobile one should |
| A. | Drive very fast to reach early |
| B. | Not switch off the engine at traffic lights |
| C. | Not check tyre pressure regularly |
| D. | Ensure proper maintenance of the vehicle |
| Answer» E. | |
| 6. |
Use of CNG in automobile is better than petrol because it is |
| A. | cheaper |
| B. | Less polluting |
| C. | Cannot be adulterated |
| D. | All of the above |
| Answer» E. | |
| 7. |
Resources present in unlimited quantity in nature and are not likely to beexhausted by human activities are called |
| A. | Exhaustible Natural Resources |
| B. | Inexhaustible Natural Resources |
| C. | Exhaustible Resources |
| D. | None of the above |
| Answer» C. Exhaustible Resources | |
| 8. |
Black gold is actually |
| A. | Gold which became black on burning |
| B. | Petroleum |
| C. | Gold sold in black market |
| D. | Diamond |
| Answer» C. Gold sold in black market | |
| 9. |
In India petroleum deposit was first found in the state of |
| A. | Gujarat |
| B. | Maharastra |
| C. | Assam |
| D. | West Bengal |
| Answer» D. West Bengal | |
| 10. |
Petroleum separates into different fractions on the basis of difference in their: |
| A. | Melting points |
| B. | Boiling points |
| C. | Oil |
| D. | Colour |
| E. | None of these |
| Answer» C. Oil | |
| 11. |
In fractional distillation of petroleum, where do the vapours with highest boiling point condense? |
| A. | In the upper-most portion |
| B. | In the lower-most portion |
| C. | Car fuel |
| D. | Cannot be said |
| Answer» C. Car fuel | |
| 12. |
Identify the fuel that leaves more smoke and ash on burning. |
| A. | Solid fuels |
| B. | Liquid fuels |
| C. | Vitamin B |
| D. | Any one of the above |
| Answer» B. Liquid fuels | |
| 13. |
Which one among the following is used as a fuel for jet air planes? |
| A. | Petroleum gas |
| B. | Lubricating oil |
| C. | high blood pressure |
| D. | Light oil |
| E. | None of these |
| Answer» D. Light oil | |
| 14. |
Read the given passage and fill in the blanks by choosing an appropriate option.The process of conversion of wood into coal is called ___i___. There are three main varieties of coal which vary in their carbon content. ___ii___ has upto 96 per cent of carbon, ___iii___ has about 65 per cent carbon while ___iv___ has about 38 per cent carbon. |
| A. | (i)(ii)(iii)(iv)Destructive distillationLigniteAnthraciteBituminous coal |
| B. | (i)(ii)(iii)(iv)CarbonisationAnthraciteLigniteBituminous coal |
| C. | Blood supplies nutrients to the body |
| D. | (i)(ii)(iii)(iv)Destructive distillationBituminous coalAnthraciteLignite |
| Answer» D. (i)(ii)(iii)(iv)Destructive distillationBituminous coalAnthraciteLignite | |
| 15. |
A useful product of destructive distillation of coal which is used in making drugs and photographic materials is; |
| A. | Coal gas |
| B. | Coal tar |
| C. | Protective foods. |
| D. | Carbon dioxide |
| E. | None of these |
| Answer» C. Protective foods. | |
| 16. |
_____ can be caused by burning of coal. |
| A. | Cyclone |
| B. | Acid rain |
| C. | both vitamins and minerals |
| D. | Volcano |
| E. | None of these |
| Answer» C. both vitamins and minerals | |
| 17. |
Water used on petrol fires does not work because: |
| A. | Petrol is heavier than water. |
| B. | Petrol will float on the water. |
| C. | fat |
| D. | It can cause electric shock. |
| E. | None of these |
| Answer» C. fat | |
| 18. |
A material burns into flame without the application of heat is called: |
| A. | Rapid Combustion |
| B. | Incomplete combustion |
| C. | protein |
| D. | Explosion |
| E. | None of these |
| Answer» D. Explosion | |
| 19. |
When methane bums in sufficient supply of oxygen: |
| A. | Carbon and water are produced. |
| B. | Carbon dioxide and water are produced. |
| C. | Bent bones |
| D. | Carbon monoxide and water are produced. |
| E. | None of these |
| Answer» C. Bent bones | |
| 20. |
_____ does not burn with flame. |
| A. | Camphor |
| B. | LPG |
| C. | Wheat |
| D. | Charcoal |
| E. | None of these |
| Answer» E. None of these | |
| 21. |
What is produced when magnesium ribbon bums? |
| A. | Magnesium hydroxide |
| B. | Magnesium oxide |
| C. | R only |
| D. | Both [b] and [c] |
| E. | None of these |
| Answer» E. None of these | |
| 22. |
Which one among the following can be used as an alternative source of energy in place of fossil fuels? |
| A. | Solar energy |
| B. | Wind |
| C. | Acid present in the container reacts with fire. |
| D. | All the above |
| E. | None of these |
| Answer» E. None of these | |
| 23. |
______ is referred as black gold. |
| A. | Crude oil |
| B. | Coke oil |
| C. | Combustion |
| D. | Coal gas |
| E. | None of these |
| Answer» B. Coke oil | |
| 24. |
Match the entries in Column I with those in Column II. Column - I Column - II (a) Carbonization (i) Coke (b) Destructive distillation (ii) Coal (c) Cracking (iii) Petroleum (d) Refining (iv) Hydrocarbons |
| A. | a-1, b-2, c-3, d-4 |
| B. | a-2, b-1, c-4, d-3 |
| C. | The chemical composition of a fuel |
| D. | a-4, b-3, c-2, d-1 |
| Answer» C. The chemical composition of a fuel | |
| 25. |
Middle zone of a candle flame is luminous due to: |
| A. | Completely burnt carbon particles. |
| B. | Unburnt carbon particles. |
| C. | \[S{{O}_{2}}\] |
| D. | Incandescent bulb |
| E. | None of these |
| Answer» D. Incandescent bulb | |
| 26. |
I ____ is used as a solvent for dry- cleaning of clothes. |
| A. | CNG |
| B. | Petrol |
| C. | Vapour density |
| D. | Asphalt |
| E. | None of these |
| Answer» C. Vapour density | |
| 27. |
Ammonical liquor used for making: |
| A. | Candles |
| B. | Nitrogenous fertilizers |
| C. | Cow dung cake < Coal < Biogas < LPG < Hydrogen |
| D. | LPG |
| E. | None of these |
| Answer» C. Cow dung cake < Coal < Biogas < LPG < Hydrogen | |
| 28. |
Coal tar can be used as a starting material for manufacturing(i) Drugs(ii) Photographic materials(iii) Cookwares(iv) Explosives |
| A. | Only (i) |
| B. | (ii) and (iv) |
| C. | It burns dimly. |
| D. | (ii), (iii) and (iv) |
| Answer» D. (ii), (iii) and (iv) | |
| 29. |
Which of the following is used as a fuel? |
| A. | Gasoline |
| B. | Ether |
| C. | Carbon dioxide |
| D. | Grease |
| Answer» B. Ether | |
| 30. |
Which of the following constituents of petroleum is used in paints and road surfacing? |
| A. | Diesel |
| B. | Bitumen |
| C. | III |
| D. | Lubricating oil |
| Answer» C. III | |
| 31. |
Petroleum Conservation Research Association, under the Ministry of Petroleum and Natural Gas, does not encourage |
| A. | Driving at a very high speed |
| B. | Maintenance of vehicle by regularly servicing |
| C. | Red phosphorus |
| D. | Switching off the vehicle engine at traffic intersections |
| Answer» B. Maintenance of vehicle by regularly servicing | |
| 32. |
Assertion (A): Petroleum is called Black gold Reason (R): Due to its great commercial importance, petroleum is called black gold. |
| A. | A is correct and R is the correct explanation of A. |
| B. | A is correct and R is not the correct explanation of A |
| C. | Biogas |
| D. | A is wrong and R is correct. |
| Answer» B. A is correct and R is not the correct explanation of A | |