General Science Questions Practice Question and Answer
8 4 Q:
5ef585b0f2ebd073795f236b Answer : 4. "Rhizobium"
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5dc158cbee5d9e2ea2b31e48 4 Q:
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Q: Which one of the following organisms has a role in converting nitrates to free nitrogen?
2957 05ef585b0f2ebd073795f236b
5ef585b0f2ebd073795f236b- 1Pseudomonasfalse
- 2Nitrosomonasfalse
- 3Nitrobacterfalse
- 4Rhizobiumtrue
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Answer : 4. "Rhizobium"
Explanation :
Nitrates are reduced back into nitrogen in the soil by a process called denitrification. This process is performed by bacteria like Pseudomonas denitrificans, etc.
Q: Which one of the following is a condition of delayed blood clotting?
2939 05df9e4c036644b47cbaf23ab
5df9e4c036644b47cbaf23ab- 1Haemorrhagefalse
- 2Hematuriafalse
- 3Haemophiliatrue
- 4Anaemiafalse
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Answer : 3. "Haemophilia "
Q: Which lubricant is used for heavy machines?
2918 05de491b080801d48fb7e6f8d
5de491b080801d48fb7e6f8d- 1Bauxitefalse
- 2Phosphorusfalse
- 3Graphitetrue
- 4Silicon oilfalse
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Answer : 3. "Graphite "
Q: From which one of the following plants, the insecticide pyrethrum is prepared
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5e7871aff012602a3def75ea- 1Cymbopogonfalse
- 2Chrysanthemumtrue
- 3Tephrosiafalse
- 4Veliverafalse
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Answer : 2. "Chrysanthemum "
Q: kilohertz is a unit which measures
2849 05edeffe08c4c964f73d39618
5edeffe08c4c964f73d39618- 1power used by a current of one amperefalse
- 2electromagnetic radio wave frequenciestrue
- 3voltagefalse
- 4electric resistancefalse
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Answer : 2. "electromagnetic radio wave frequencies"
Q: The branch of study dealing with old age and aging is known as _.
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5dc158cbee5d9e2ea2b31e48- 1Gerontologytrue
- 2Teratologyfalse
- 3Oncologyfalse
- 4Ornithologyfalse
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Answer : 1. "Gerontology "
Q: The solution of one of the following compounds will conduct electricity. This compound is:
2821 15d778f4065d2b969a5139d1a
5d778f4065d2b969a5139d1a- 1$$CCl_4$$false
- 2HCLfalse
- 3$$CaCl_2$$false
- 4$$CH_3Cl$$true
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Answer : 4. "$$CH_3Cl$$"
Q: Which element is used as timekeeper in the atomic clocks?
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5e819fdb1425f51f3acc6f8a- 1Potassiumfalse
- 2Magnesiumfalse
- 3Cesiumtrue
- 4Vanadiumfalse
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Answer : 3. "Cesium "
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