General Science Questions Practice Question and Answer
8 4 Q:
5db98157a263e63785742b79 4 Q:
5ef585b0f2ebd073795f236b Answer : 4. "Rhizobium"
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Q: Which one of the following elements exhibits the greatest tendency to lose electrons?
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5db98157a263e63785742b79- 1Fluorinefalse
- 2Lithiumtrue
- 3Oxygenfalse
- 4Zincfalse
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Answer : 2. "Lithium "
Q: Which one of the following organisms has a role in converting nitrates to free nitrogen?
3182 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?
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5df9e4c036644b47cbaf23ab- 1Haemorrhagefalse
- 2Hematuriafalse
- 3Haemophiliatrue
- 4Anaemiafalse
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Answer : 3. "Haemophilia "
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: Which gas in its solid state is also known as dry ice?
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5da566b39a081d0726b0f4a5- 1Carbon dioxidetrue
- 2Hydrogenfalse
- 3Nitrogenfalse
- 4Oxygenfalse
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Answer : 1. "Carbon dioxide"
Q: kilohertz is a unit which measures
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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: 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 "
Q: From whom do the salt of food is formed?
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5e37d9e2ae5acc1dfb0926fb- 1From weak acids and weak alkalifalse
- 2From strong acid sturdy and strong alkalitrue
- 3From weak acid seises and strong alkalifalse
- 4From strong acids and weak alkalifalse
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Answer : 2. "From strong acid sturdy and strong alkali"
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