General Science Questions Practice Question and Answer
8 Q: What enzyme occurs in human tears , causing bacteria to die ?
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5e5890572ec0ee6eac14fefe- 1Emilesfalse
- 2Uriasfalse
- 3Lysozymetrue
- 4Tylinfalse
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Answer : 3. "Lysozyme "
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: The major component used in preparation of different types of glasses is :
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5e4e0d64701cfd31ff666b8e- 1Sodium boratefalse
- 2Sodium Silicatefalse
- 3Silicatrue
- 4Calcium Silicatefalse
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Answer : 3. "Silica"
Q: The lactose is made , from . . . .
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5e588f0503536c49fd256f76- 1Glucose + Fructosefalse
- 2Glucose + Glucosefalse
- 3Glucose + Galactosetrue
- 4Fructose + Fructosefalse
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Answer : 3. "Glucose + Galactose "
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: 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: What harmful gas is released by factories and vehicles
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5e589454c202fc4e80c36b52- 1Carbon monoxidetrue
- 2Nitrogen dioxidefalse
- 3Sulphur dioxidefalse
- 4Carbon dioxidefalse
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Answer : 1. "Carbon monoxide "
Q: Name the gland that controls the function of other endocrine glands
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5da6af7ba3cb963e540f87f0- 1Pituitary glandtrue
- 2Adrenal glandfalse
- 3Renal glandfalse
- 4Pancreatic glandfalse
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