MCQOPTIONS
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MCQOPTIONS
This section includes 437 Mcqs, each offering curated multiple-choice questions to sharpen your GENERAL SCIENCE knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Decibel is the unit of: |
| A. | Speed of light |
| B. | Intensity of heat |
| C. | Intensity of sound |
| D. | None of the above |
| Answer» D. None of the above | |
| 2. |
Which bacteria is helpful in making curd from milk? |
| A. | Staphliococcus |
| B. | Lactobacillus |
| C. | Mycobacterium |
| D. | Yeast |
| Answer» C. Mycobacterium | |
| 3. |
Atomic number is represented by which letter? |
| A. | W |
| B. | C |
| C. | Z |
| D. | L |
| Answer» D. L | |
| 4. |
A chemical substance secreted by particular species of animal to attract another member of same species is: |
| A. | Pheromones |
| B. | Nucleic acid |
| C. | Steroid |
| D. | Adronome |
| Answer» B. Nucleic acid | |
| 5. |
Saurology is the study of ___________ |
| A. | Cockroach |
| B. | Lizards |
| C. | Mosquitoes |
| D. | Snake |
| Answer» C. Mosquitoes | |
| 6. |
Bile is produced by: |
| A. | Pancreas |
| B. | Stomach |
| C. | Duodenum |
| D. | Liver |
| Answer» E. | |
| 7. |
The oxygen in photosynthesis is released from: |
| A. | Co2 |
| B. | H2o |
| C. | Both co2 and h2o |
| D. | Chlorophyll |
| Answer» C. Both co2 and h2o | |
| 8. |
Which is the smallest flightless bird? |
| A. | Penguin |
| B. | Rhea |
| C. | Kiwi |
| D. | Ostrich |
| Answer» D. Ostrich | |
| 9. |
If a bar magnet is broken into two pieces, then |
| A. | Each piece will remain a magnet with north pole at one end and south pole at the other end |
| B. | One piece will have north pole on both ends and other piece will have south pole on both ends |
| C. | Only longer piece will behave as bar magnet |
| D. | Both pieces will lose their magnetism |
| Answer» B. One piece will have north pole on both ends and other piece will have south pole on both ends | |
| 10. |
A device which converts AC into DC is known as - |
| A. | Amplifier |
| B. | Rectifier |
| C. | Stabiliser |
| D. | Transformer |
| Answer» C. Stabiliser | |
| 11. |
What among the following is true about Polar Satellite Launch Vehicle (PSLV)? |
| A. | It was developed and operated by indigenously in India |
| B. | It was developed in collaboration with Russia. |
| C. | It was developed in collaboration with USA |
| D. | It was developed in collaboration with USA & UK. |
| Answer» B. It was developed in collaboration with Russia. | |
| 12. |
Thumba Equatorial Rocket Launching Station (TERLS) is situated in? |
| A. | Andhra Pradesh |
| B. | Kerala |
| C. | Odisha |
| D. | Karnataka |
| Answer» C. Odisha | |
| 13. |
Which amongst the following is not true about the chandrayan1? |
| A. | It was launched by the Indian Space Research Organisation in October 2008. |
| B. | India launched the spacecraft using a PSLV-XL rocket, serial number C13. |
| C. | The vehicle was successfully inserted into lunar orbit on 8 November 2008. |
| D. | Prime Minister Atal Bihari Vajpayee announced the project on course in his Independence Day speech on 15 August 2003. |
| Answer» C. The vehicle was successfully inserted into lunar orbit on 8 November 2008. | |
| 14. |
Which amongst the following is not true about mars mission of India? |
| A. | It was launched on 5 November 2012 |
| B. | It was India's first interplanetary mission. |
| C. | ISRO has become the fourth space agency to reach Mars. |
| D. | India is the first Asian nation to reach Mars orbit. |
| Answer» B. It was India's first interplanetary mission. | |
| 15. |
Which amongst the following is the heaviest rocket of India? |
| A. | GSLV Mark 3 |
| B. | RH 75 |
| C. | RH 300 |
| D. | RH200 |
| Answer» B. RH 75 | |
| 16. |
Which amongst the following is not a greenhouse gas? |
| A. | Carbon Dioxide |
| B. | Methane |
| C. | Carbon monoxide |
| D. | Water vapours |
| Answer» D. Water vapours | |
| 17. |
Which amongst the following is the acronym of PVC? |
| A. | polyvinyl chloride |
| B. | polyvinyl carbobate |
| C. | phosphor vanadiu chloride |
| D. | phosphavinyl chloride |
| Answer» B. polyvinyl carbobate | |
| 18. |
Which amongst the following country do not have cryogenic engine technique? |
| A. | Russia |
| B. | Japan |
| C. | China |
| D. | Canada |
| Answer» E. | |
| 19. |
The country Which consumes maximum petroleum is? |
| A. | Saudi Arabia |
| B. | India |
| C. | UK |
| D. | US |
| Answer» E. | |
| 20. |
Natural Petroleum is found in which form? |
| A. | Gaslette |
| B. | Kerosene |
| C. | Crude Oil |
| D. | Tar |
| Answer» D. Tar | |
| 21. |
Botanical name of Soyabean is- |
| A. | Lathyrus odratus |
| B. | Glycine max |
| C. | Pisum sativum |
| D. | Brassica nigra |
| Answer» C. Pisum sativum | |
| 22. |
The golden fibre of India is- |
| A. | Cotton |
| B. | Hemp |
| C. | Jute |
| D. | Silk |
| Answer» D. Silk | |
| 23. |
Curd is sour due to presence of |
| A. | Citric acid |
| B. | Lactic acid |
| C. | Acetic acid |
| D. | None of these |
| Answer» C. Acetic acid | |
| 24. |
Which one of the following is not a rabi crop? |
| A. | Mustard |
| B. | Rice |
| C. | Wheat |
| D. | Gram |
| Answer» C. Wheat | |
| 25. |
The stimulant present in Tea is - |
| A. | Tannin |
| B. | Nicotine |
| C. | Coffeine |
| D. | Codeine |
| Answer» D. Codeine | |
| 26. |
Ornithology is the study of- |
| A. | Mammal |
| B. | Birds |
| C. | Fishes |
| D. | Bat |
| Answer» C. Fishes | |
| 27. |
Air is a/an? |
| A. | Element |
| B. | Mixture |
| C. | Compound |
| D. | None of these |
| Answer» C. Compound | |
| 28. |
Epoxy resins is used as? |
| A. | Insecticides |
| B. | Detergents |
| C. | Moth repellants |
| D. | Adhesives |
| Answer» E. | |
| 29. |
Which science is sometimes called ?central science?? |
| A. | Geology |
| B. | Chemistry |
| C. | Physics |
| D. | Biology |
| Answer» C. Physics | |
| 30. |
Which one is an alkaline among the following? |
| A. | Saliva |
| B. | Ammonia |
| C. | Vinegar |
| D. | Acid rain |
| Answer» C. Vinegar | |
| 31. |
The first stage in the formation of coal is |
| A. | Lignite |
| B. | Bituminous |
| C. | Anthracite |
| D. | Peat |
| Answer» E. | |
| 32. |
What is the name of that process in which oxygen is removed? |
| A. | Ionization |
| B. | Oxidation |
| C. | Electrolysis |
| D. | Reduction |
| Answer» E. | |
| 33. |
Liquefied Petroleum gas (LPG) consists of mainly? |
| A. | Ethane, hexane and nonane |
| B. | Methane, butane and propane |
| C. | Methane, ethane and hexane |
| D. | Methane, hexane and nonane |
| Answer» C. Methane, ethane and hexane | |
| 34. |
In Periodic table elements are arranged according to their ___________ |
| A. | Atomic and mass number |
| B. | Mass number |
| C. | Atomic number |
| D. | None of the above |
| Answer» D. None of the above | |
| 35. |
All acids are ____________ |
| A. | Irritant when they are strong |
| B. | Corrosive when they are weak |
| C. | Corrosive when they are strong |
| D. | None of these |
| Answer» D. None of these | |
| 36. |
Good source of vitamin 'C' is- |
| A. | Lemon |
| B. | Orange |
| C. | Amla |
| D. | Chilli |
| Answer» D. Chilli | |
| 37. |
The ore of Aluminium is- |
| A. | Bauxite |
| B. | Chromium |
| C. | Mica |
| D. | Manganese |
| Answer» B. Chromium | |
| 38. |
The metallic constituents of hard water are? |
| A. | Magnesium, tin and iron |
| B. | Calcium, magnesium and iron |
| C. | Magnesium, calcium and tin |
| D. | Iron, tin and calcium |
| Answer» C. Magnesium, calcium and tin | |
| 39. |
The filament of electric bulb is made of? |
| A. | Nichrome |
| B. | Iron |
| C. | Graphite |
| D. | Tungsten |
| Answer» E. | |
| 40. |
Which of the following gases is obtained by the reaction of water with calcium carbide? |
| A. | Ethylene |
| B. | Methane |
| C. | Acetylene |
| D. | Water gas |
| Answer» D. Water gas | |
| 41. |
Bromine is? |
| A. | A blue liquid |
| B. | A white liquid |
| C. | A red liquid |
| D. | A black liquid |
| Answer» D. A black liquid | |
| 42. |
The pair of compounds used as anaesthetic in medicines - |
| A. | Ether, ammonia |
| B. | Nitrogen dioxide, ether |
| C. | Nitrous oxide, chloroform |
| D. | Chloroform, nitrogen dioxide |
| Answer» C. Nitrous oxide, chloroform | |
| 43. |
The name Ebola Virus has been taken from: |
| A. | A city |
| B. | A river |
| C. | A state |
| D. | A mountain |
| Answer» C. A state | |
| 44. |
The enzymes sucrase acts on? |
| A. | Sucrose only |
| B. | Any organic monomer |
| C. | Sucrose and starch |
| D. | All disaccharides |
| Answer» B. Any organic monomer | |
| 45. |
Urea is removed from the blood by: |
| A. | Heart |
| B. | Stomach |
| C. | Kidneys |
| D. | Spleen |
| Answer» D. Spleen | |
| 46. |
Which of the following ores does not contain iron? |
| A. | Haematite |
| B. | Cassiterite |
| C. | Magnetite |
| D. | Limonite |
| Answer» C. Magnetite | |
| 47. |
Cooking oil can be converted into vegetable ghee by the process of? |
| A. | Distillation |
| B. | Oxidation |
| C. | Crystalisation |
| D. | Hydrogenation |
| Answer» E. | |
| 48. |
Which one of the following types of laser is used in laser printers? |
| A. | Semiconductor laser |
| B. | Dye laser |
| C. | Gas laser |
| D. | Excimer laser |
| Answer» B. Dye laser | |
| 49. |
Persons with which blood group are called universal donors? |
| A. | Ab |
| B. | A |
| C. | O |
| D. | B |
| Answer» D. B | |
| 50. |
Which of the following plants is not capable of manufacturing own food? |
| A. | Algae |
| B. | Mushroom |
| C. | Carrot |
| D. | Cabbage |
| Answer» C. Carrot | |