General Science Questions Practice Question and Answer
8Q: Which acid is present in lemon ? 2258 05c2dbbe29fd00135a4b2115e
5c2dbbe29fd00135a4b2115e- 1marlic acidfalse
- 2citric acidtrue
- 3lactic acidfalse
- 4tartaric acidfalse
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Answer : 2. "citric acid"
Q: Which of the following metals is in a liquid state at orbital temperature?
2226 05db92494e7ff3d08a1c5f8d7
5db92494e7ff3d08a1c5f8d7- 1Mercurytrue
- 2Tungstenfalse
- 3Leadfalse
- 4Brominefalse
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Answer : 1. "Mercury"
Q: Bleaching powder contains ______ bleaching agent.
2214 05f87ed3ce6aa3e1d0bcb7463
5f87ed3ce6aa3e1d0bcb7463- 1Brominefalse
- 2Iodinefalse
- 3Hydrogenfalse
- 4Chlorinetrue
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Answer : 4. "Chlorine "
Q: The science that deals with the relationship of various organisms with their environment is known as?
2209 15ee997bfeee45c3b837419d9
5ee997bfeee45c3b837419d9- 1anthropologyfalse
- 2economicsfalse
- 3ecologytrue
- 4geologyfalse
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Answer : 3. "ecology"
Explanation :
Ecology is the study of the relationships between living organisms, including humans and their physical environment. The German scientist Earnst Haeckel was the first to use this word in 1869.
Q: Which of the following is usually not an air - pollutant?
2201 05f324eeba19eae5979fdd9c6
5f324eeba19eae5979fdd9c6- 1Carbon dioxidefalse
- 2Nitrous oxidetrue
- 3Hydrocarbonsfalse
- 4Sulphur Dioxidefalse
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Answer : 2. "Nitrous oxide "
Q: The gases used in different types of welding would include
2188 05edef9548c4c964f73d37d62
5edef9548c4c964f73d37d62- 1oxygen and hydrogenfalse
- 2oxygen, hydrogen, acetylene and nitrogenfalse
- 3oxygen, acetylene and argonfalse
- 4oxygen and acetylenetrue
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Answer : 4. "oxygen and acetylene"
Explanation :
Acetylene is the only fuel gas suitable for gas welding because of its favourable flame characteristics of both high temperature and high propagation rates. Other fuel gases, such as propane, propylene or natural gas, produce insufficient heat input for welding but are used for cutting, torch brazing and soldering.
Q: Transportation of food in plants takes place through:
2176 15d775d4fa1321a5b0b594d38
5d775d4fa1321a5b0b594d38- 1Xylemfalse
- 2Phloemtrue
- 3Companion cellsfalse
- 4Tracheidsfalse
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Answer : 2. "Phloem"
Q: Science of the study of preserved remains or traces of animals, plants, and other organisms from the remote past is called ________.
2170 05e7edc05a874324f6e0a2027
5e7edc05a874324f6e0a2027- 1Anthropologyfalse
- 2Archaeologyfalse
- 3Palaeontologytrue
- 4Pharmacologyfalse
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