Basic Science Practice Question and Answer
8 4 Q:
6066e424ffdc341493f39d40 4 Q:
5f756369c995cb2bd58dd43a Answer : 4. "Hematite"
4 Q:
5fc9d1f35c47b65b5b2c2480 4 Q:
611b62596d0fd147810fb227 4 Q:
5f48d5ec036b8a325d1df5ae 4 Q:
625fcfcde1e2a840c31b77f2 4 Q:
5f746665bb26e87e5eea9b4f 4 Q:
5fe1be0ace32c8585c739759
Q: Human nails are made of
1456 06066e424ffdc341493f39d40
6066e424ffdc341493f39d40- 1Pigmentfalse
- 2Elastinfalse
- 3Albuminfalse
- 4Keratintrue
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Answer : 4. "Keratin"
Q: Iron is obtained by which of the following minerals?
1454 05f756369c995cb2bd58dd43a
5f756369c995cb2bd58dd43a- 1Limestonefalse
- 2Pitch Blandfalse
- 3Monozite sandfalse
- 4Hematitetrue
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Answer : 4. "Hematite"
Explanation :
The iron minerals that are at present used as ores are hematite, magnetite, limonite, and siderite.
Q: When we go upstairs in the atmosphere?
1450 05fc9d1f35c47b65b5b2c2480
5fc9d1f35c47b65b5b2c2480- 1heat is low and pressure increasesfalse
- 2temperature increases and pressure decreasesfalse
- 3Both temperature and pressure increasefalse
- 4Both temperature and pressure decreasetrue
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Answer : 4. "Both temperature and pressure decrease"
Q: Polythene is industrially produced by polymerisation of
1449 0611b62596d0fd147810fb227
611b62596d0fd147810fb227- 1Methanefalse
- 2Acetylenefalse
- 3Ethylenetrue
- 4Styrenefalse
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Answer : 3. "Ethylene"
Q: Plants tissues are of how many types?
1441 15f48d5ec036b8a325d1df5ae
5f48d5ec036b8a325d1df5ae- 13true
- 22false
- 35false
- 46false
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Answer : 1. "3"
Q: The reason for the browning of the cut apple is present in the apple-
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625fcfcde1e2a840c31b77f2- 1Calciumfalse
- 2Zincfalse
- 3Ironfalse
- 4Iodinetrue
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Answer : 4. "Iodine"
Q: Maximum density of water is-
1433 05f746665bb26e87e5eea9b4f
5f746665bb26e87e5eea9b4f- 10°Cfalse
- 2100°Cfalse
- 325°Cfalse
- 44°Ctrue
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Answer : 4. "4°C"
Q: In which of the following industries is mica as a raw material?
1433 05fe1be0ace32c8585c739759
5fe1be0ace32c8585c739759- 1Cementfalse
- 2Glass and Potteryfalse
- 3Iron and Steelfalse
- 4Electricaltrue
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Answer : 4. "Electrical"
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