Science GK Practice Question and Answer
8 4 Q:
5f60521e09624c19c5c14b7d 4 4 4 4 4 4 4 Q:
5ddfc93e4e9f8676753e7024
Q: Who propounded the term ecology?
2120 05f60521e09624c19c5c14b7d
5f60521e09624c19c5c14b7d- 1Charles Darwinfalse
- 2Robert Whitakerfalse
- 3Arthur Tansleyfalse
- 4Ernest Hackletrue
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Answer : 4. "Ernest Hackle"
Q: Which metal is heaviest ? 1473 05c2dbd66bc106c237a22c185
5c2dbd66bc106c237a22c185- 1osmiumtrue
- 2mercuryfalse
- 3ironfalse
- 4nicklefalse
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Answer : 1. "osmium"
Q: The metallurgical process in which a metal is obtained in a fused state is called ? 1780 05c2dc37df11ee42b64688ff3
5c2dc37df11ee42b64688ff3- 1roastingfalse
- 2calcinationsfalse
- 3smeltingtrue
- 4froth floatationfalse
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Answer : 3. "smelting"
Q: Who is regarded as father of modern chemistry ? 1847 05c2dbb7eaea81766da94cac5
5c2dbb7eaea81766da94cac5- 1Ruterfordfalse
- 2Einsteinfalse
- 3Lavoisiertrue
- 4C V Ramanfalse
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Answer : 3. "Lavoisier"
Q: The term PVC used in the plastic industry stands for 1608 05c2dbc589fd00135a4b21163
5c2dbc589fd00135a4b21163- 1polyvinyl choloridetrue
- 2polyvinyl carbotatefalse
- 3phosphor vanadiu chloridefalse
- 4phosphavinyl chloridefalse
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Answer : 1. "polyvinyl choloride"
Q: What is a mixture of potassium nitrate powdered charcoal and sulphur called? 1461 05c2dbd92bc106c237a22c18a
5c2dbd92bc106c237a22c18a- 1paintfalse
- 2aluminiumfalse
- 3brassfalse
- 4gun powdertrue
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Answer : 4. "gun powder"
Q: Which have the maximum density ? 2249 05c2dbffa94bba731de8f0a27
5c2dbffa94bba731de8f0a27- 1watertrue
- 2Benzenefalse
- 3Icefalse
- 4Chloroformfalse
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Answer : 1. "water"
Q: When the Left Ventricle in the human heart contracts, the blood moves to the
1632 05ddfc93e4e9f8676753e7024
5ddfc93e4e9f8676753e7024- 1Brainfalse
- 2Pulmonary Arteryfalse
- 3Aortatrue
- 4Lungsfalse
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Answer : 3. "Aorta "
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