Science GK Practice Question and Answer
8 4 4 Q:
5f6046ec80a26b7dab001452 4 Q:
5f6042c22eed863f3a805d2e Answer : 1. "Clomgolanosis"
4 Q:
611b6619dc4e2547a1c91d07 4 4 4 Q:
601401905beea84b8ecebc42 4
Q: Rare gases are 1588 05c2dbc15aea81766da94cacf
5c2dbc15aea81766da94cacf- 1mono atomictrue
- 2di atomicfalse
- 3tri atomicfalse
- 4None of abovefalse
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Answer : 1. "mono atomic"
Q: In the nitrogen cycle, soil nitrates are converted into free nitrogen by whom?
1586 05f6046ec80a26b7dab001452
5f6046ec80a26b7dab001452- 1nitrifying bacteriafalse
- 2denitrifying bacteriatrue
- 3ammonifying bacteriafalse
- 4None of thesefalse
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Answer : 2. "denitrifying bacteria"
Q: Which of the following disease reduces the age of laborers working in coal mine and that disease is called Black Lung disease?
1585 05f6042c22eed863f3a805d2e
5f6042c22eed863f3a805d2e- 1Clomgolanosistrue
- 2progressive massive fibrosisfalse
- 3mesotheliomafalse
- 4None of thesefalse
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Answer : 1. "Clomgolanosis"
Explanation :
Coal workers' pneumoconiosis (CWP), commonly known as "black lung disease," occurs when coal dust is inhaled. Over time, continued exposure to the coal dust causes scarring in the lungs, impairing your ability to breathe. Considered an occupational lung disease, it is most common among coal miners.
Q: What is the following is the softest?
1574 0611b6619dc4e2547a1c91d07
611b6619dc4e2547a1c91d07- 1Alumfalse
- 2Diamondtrue
- 3Terliumfalse
- 4Topazfalse
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Answer : 2. "Diamond"
Q: What is a mixture of potassium nitrate powdered charcoal and sulphur called? 1558 05c2dbd92bc106c237a22c18a
5c2dbd92bc106c237a22c18a- 1paintfalse
- 2aluminiumfalse
- 3brassfalse
- 4gun powdertrue
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Answer : 4. "gun powder"
Q: Which gas is used in fire extinguishers ? 1553 15c2dc34c94bba731de8f0a4f
5c2dc34c94bba731de8f0a4f- 1Carbon dioxidetrue
- 2Nitrogen oxidefalse
- 3Carbon monoxidefalse
- 4Sulpher dioxidefalse
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Answer : 1. "Carbon dioxide"
Q: Which gas is used to purify pond water in cities?
1550 0601401905beea84b8ecebc42
601401905beea84b8ecebc42- 1Sulfur dioxidefalse
- 2Chlorinetrue
- 3Nitrogenfalse
- 4Ammoniafalse
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Answer : 2. "Chlorine"
Q: Atomic number is equal to 1542 05c2dc20bf11ee42b64688fe9
5c2dc20bf11ee42b64688fe9- 1Number of electronsfalse
- 2Numbers of protonstrue
- 3Number of nutronfalse
- 4Total number of protons and neutronsfalse
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