Science GK Practice Question and Answer
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Q: Which of the following hitting methods has the highest power factor?
1091 05ef417b67c1ec61320b5a6c6
5ef417b67c1ec61320b5a6c6- 1heating resistancetrue
- 2induction heatingfalse
- 3Arc heatingfalse
- 4Dielectric heatingfalse
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Answer : 1. "heating resistance"
Q: Why is sodium stored in kerosene?
501 0611b646accbc2b477b6dc1e8
611b646accbc2b477b6dc1e8- 1To maintain in its original formfalse
- 2It gets oxidised in airtrue
- 3evaporation starts in the airfalse
- 4it starts burning in airfalse
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Answer : 2. "It gets oxidised in air"
Q: Beta biodiversity is an example of
577 062287439c17ed1454592457d
62287439c17ed1454592457d- 1Run of Kutchfalse
- 2Rajasthanfalse
- 3Indiatrue
- 4Asiafalse
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Answer : 3. "India "
Q: How many bones are present in human ears?
450 061d6b8440499556d96b50350
61d6b8440499556d96b50350- 16true
- 29false
- 34false
- 410false
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Answer : 1. "6"
Q: Speed of sound is maximum?
741 0601406bc5beea84b8ecef91c
601406bc5beea84b8ecef91c- 1in airfalse
- 2In waterfalse
- 3in vacuumfalse
- 4Steeltrue
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Answer : 4. "Steel"
Q: Iron pipes, from which water is supplied, are coated with zinc (Zn) to prevent rusting. This layering process is called?
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611b604eccbc2b477b6dbf8e- 1Annealingfalse
- 2Vulcanizationfalse
- 3Yashad coatingtrue
- 4none of thesefalse
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Answer : 3. "Yashad coating"
Q: Insulin was invented by?
656 0611b67f06d0fd147810fba82
611b67f06d0fd147810fba82- 1Eijkmanfalse
- 2Bettingtrue
- 3Domagkfalse
- 4H. G. khuranafalse
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Answer : 2. "Betting"
Q: By which instrument the purity of milk is measured?
566 0611b67aa6d0fd147810fba23
611b67aa6d0fd147810fba23- 1Lactometertrue
- 2manometerfalse
- 3Pyrometerfalse
- 4Tachometerfalse
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Answer : 1. "Lactometer"
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