Basic Science Practice Question and Answer
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5f5722f1c1a5d57a18306c50 Answer : 2. "Autotroph"
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Q: Which gas is used in the food packaging industry to prevent chips from getting oxidized?
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5fa11416e4a5020b770e12c6- 1Nitrogentrue
- 2Hydrogenfalse
- 3Heliumfalse
- 4Carbonfalse
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Answer : 1. "Nitrogen"
Q: Mac number is related
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601404975beea84b8ececf1c- 1At the speed of soundfalse
- 2At the speed of the shipfalse
- 3At the speed of the planetrue
- 4At the speed of the spacecraftfalse
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Answer : 3. "At the speed of the plane"
Q: Why are white dresses worn in summer?
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5f913083d6785c0fc0d91399- 1Bad absorbers of heat aretrue
- 2are cheapfalse
- 3are attractivefalse
- 4None of thesefalse
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Answer : 1. "Bad absorbers of heat are"
Q: By which instrument the purity of milk is measured?
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611b67aa6d0fd147810fba23- 1Lactometertrue
- 2manometerfalse
- 3Pyrometerfalse
- 4Tachometerfalse
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Answer : 1. "Lactometer"
Q: All green plants and certain blue-green algae which can produce food by photosynthesis are called the_____.
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5f5722f1c1a5d57a18306c50- 1Consumersfalse
- 2Autotrophtrue
- 3Decomposersfalse
- 4Bacteriafalse
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Answer : 2. "Autotroph"
Explanation :
An autotroph is an organism that can produce its own food using light, water, carbon dioxide, or other chemicals. Because autotrophs produce their own food, they are sometimes called producers. Most autotrophs use a process called photosynthesis to make their food.
Q: Cat is more visible at night?
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5fc9ce57b3b23538af75ca5a- 1By naturefalse
- 2Due to the special texture of the pupiltrue
- 3daytime sleepfalse
- 4None of thesefalse
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Answer : 2. "Due to the special texture of the pupil"
Q: Mac Numbers are used in relation to velocity__.
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5f8fd2eef28f4b47be4b9347- 1Soundfalse
- 2Shipfalse
- 3Aircrafttrue
- 4Spacecraftfalse
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Answer : 3. "Aircraft"
Q: Which acid is also known as the king of the acids?
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5f75666d4637db73283bcd48- 1Hydrochloric acidsfalse
- 2Citric Acidsfalse
- 3Sulphuric Acidstrue
- 4Acetic acidsfalse
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Answer : 3. "Sulphuric Acids"
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