Basic Science Practice Question and Answer
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64b1766a2d3130f57524948e Answer : 2. "Study of fish"
Q: Which of the following is the hardest substance?
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5fe9a290755fc73bd079308c- 1Platinumfalse
- 2Diamondtrue
- 3Goldfalse
- 4Silverfalse
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Answer : 2. "Diamond"
Q: Which metal has the highest melting point?
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6014062d2a5c813e157f7052- 1Osmiumfalse
- 2Tungstentrue
- 3Molybdenumfalse
- 4aluminumfalse
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Answer : 2. "Tungsten"
Q: The nature of the path traveled by the particle is determined by?
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611b666214663c47a233f385- 1by accelerationfalse
- 2with velocityfalse
- 3by displacementfalse
- 4none of the abovetrue
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Answer : 4. "none of the above"
Q: When a ship enters the sea from a river?
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601403035beea84b8ecec16a- 1rises uptrue
- 2falls downfalse
- 3There is no change in its levelfalse
- 4All of the abovefalse
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Answer : 1. "rises up"
Q: Gun powder is a mixture of?
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611b64b76d0fd147810fb65f- 1soil and TNTfalse
- 2sulphur, clay and charcoalfalse
- 3saltpeter, sulfur and charcoaltrue
- 4TNT and charcoalfalse
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Answer : 3. "saltpeter, sulfur and charcoal"
Q: Ozone layer is found in
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60fe46f220de8e1be91d2b0a- 1Thermospherefalse
- 2Stratospheretrue
- 3Troposherefalse
- 4Mesopherefalse
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Answer : 2. "Stratosphere"
Q: If any rock from earth is taken to the moon?
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5fc9cda0b3b23538af75c8bb- 1its quantity will decreasefalse
- 2its weight will decreasetrue
- 3There will be no difference in its weightfalse
- 4its weight will increasefalse
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Answer : 2. "its weight will decrease"
Q: What does Ichthyology deal with?
1288 064b1766a2d3130f57524948e
64b1766a2d3130f57524948e- 1Study of reptiles and amphibiansfalse
- 2Study of fishtrue
- 3Study of birdsfalse
- 4Study of insectsfalse
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Answer : 2. "Study of fish"
Explanation :
1. Ichthyology is related to the study of fishes. It is a branch of zoology that studies the classification, morphology, physiology, behaviour, ecology, and evolution of fishes.
2. People working in the field of ichthyology are called ichthyologists.
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