General Science Questions Practice Question and Answer
8 Q: Which of the following instrument is used to measure Soil Water Tension?
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5ebe102a828a397cdc6420a9- 1Photometerfalse
- 2Pyrometerfalse
- 3Psychrometerfalse
- 4Tensiometertrue
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Answer : 4. "Tensiometer "
Q: The gases used in different types of welding would include
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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: Which of the following metals is in a liquid state at orbital temperature?
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5db92494e7ff3d08a1c5f8d7- 1Mercurytrue
- 2Tungstenfalse
- 3Leadfalse
- 4Brominefalse
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Answer : 1. "Mercury"
Q: The science that deals with the relationship of various organisms with their environment is known as?
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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: Bleaching powder contains ______ bleaching agent.
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5f87ed3ce6aa3e1d0bcb7463- 1Brominefalse
- 2Iodinefalse
- 3Hydrogenfalse
- 4Chlorinetrue
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Answer : 4. "Chlorine "
Q: Which of the following is usually not an air - pollutant?
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5f324eeba19eae5979fdd9c6- 1Carbon dioxidefalse
- 2Nitrous oxidetrue
- 3Hydrocarbonsfalse
- 4Sulphur Dioxidefalse
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Answer : 2. "Nitrous oxide "
Q: Science of the study of preserved remains or traces of animals, plants, and other organisms from the remote past is called ________.
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5e7edc05a874324f6e0a2027- 1Anthropologyfalse
- 2Archaeologyfalse
- 3Palaeontologytrue
- 4Pharmacologyfalse
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Answer : 3. "Palaeontology "
Q: Transportation of food in plants takes place through:
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5d775d4fa1321a5b0b594d38- 1Xylemfalse
- 2Phloemtrue
- 3Companion cellsfalse
- 4Tracheidsfalse
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