Basic Science Practice Question and Answer
8 4 Q:
607024ebdc80477c02cb6535 4 Q:
64b1766a2d3130f57524948e Answer : 2. "Study of fish"
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Q: Which of the following is a nitrogen-fixing bacteria?
1143 0607024ebdc80477c02cb6535
607024ebdc80477c02cb6535- 1Salmonellafalse
- 2Rhizobiumtrue
- 3E.colifalse
- 4Pseudomonafalse
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Answer : 2. "Rhizobium "
Q: What does Ichthyology deal with?
1141 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.
Q: Which of the following is not a source of air pollution?
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5feafdd900e3f71b828c00f8- 1Automobile exhaustfalse
- 2Burning of firewoodfalse
- 3Windmilltrue
- 4Power plantfalse
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Answer : 3. "Windmill"
Q: Which of the following plants is carnivorous?
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607e9cdc0372d85428951563- 1Cypress Vinefalse
- 2Venus Flytraptrue
- 3Venus Flytrapfalse
- 4Hyacinthfalse
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Answer : 2. "Venus Flytrap"
Q: Which chemical is used in making artificial rainfall?
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5f745ddda921aa16e68b9ec1- 1Sodium iodidefalse
- 2Silver bromidefalse
- 3Ethylene bromidefalse
- 4Silver iodidetrue
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Answer : 4. "Silver iodide"
Q: Who discovered the atom bomb?
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611b66efccbc2b477b6dc723- 1Atohantrue
- 2Albert Einsteinfalse
- 3Keplerfalse
- 4Rutherfordfalse
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Answer : 1. "Atohan"
Q: Which of the following metals is known as coin metal?
1119 05fe9a1c9755fc73bd0792d80
5fe9a1c9755fc73bd0792d80- 1Copperfalse
- 2Silverfalse
- 3Goldfalse
- 4All of the abovetrue
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Answer : 4. "All of the above"
Q: By whom is the focus distance corrected in the eye lens?
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5fc9d2c0b3b23538af75ce4d- 1Ratinafalse
- 2irisfalse
- 3ciliary musclestrue
- 4Carniafalse
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Answer : 3. "ciliary muscles"
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