Everyday Science — All MCQs
2717 questions available
Q1141.If steel is heated to a temperature well below red heat and is then cooled slowly, the process is called____?
Correct Answer: A
If steel is heated to a temperature well below red heat and is then cooled slowly, the process is called Annealing. The stated result follows from the relevant physical relationship between force, matter, motion, or energy.
Q1142.If the green leaves are placed under red light, their color will become____?
Correct Answer: B
If the green leaves are placed under red light, their color will become Black. The result follows from how light is reflected, refracted, focused, or distributed across the electromagnetic spectrum.
Q1143.If the length of a heater coil is reduced by 10% of its original length, then Power consumed by heater will?
Correct Answer: B
If the length of a heater coil is reduced by 10% of its original length, then Power consumed by heater will: Decrease by 10%. Its composition and chemical or physical behavior give it the stated classification or property.
Q1144.If the level of atmospheric pollution increases:
Correct Answer: A
If the level of atmospheric pollution increases: The length of the day will increases. Its geographic position or physical characteristics account for the description given.
Q1145.If there is no capillarity?
Correct Answer: D
If there is no capillarity: All of above. This description follows from the defining characteristics and established facts associated with the subject.
Q1146.If you have caries” then which doctor you have consult?
Correct Answer: C
If you have caries” then which doctor you have consult: Dentist. This description follows from the defining characteristics and established facts associated with the subject.
Q1147.In 2013, Planck measured the age of the universe at ____?
Correct Answer: A
In 2013, Planck measured the age of the universe at 13.82 billion years. Astronomical observations and measurements establish this relationship among the relevant celestial bodies.
Q1148.In a fission nuclear reaction , a heavy nucleus breaks up into smaller nuclei whereas in another nuclear reaction two or more than two possibly nuclei are fused to form a heavy nucleus This nuclear reaction is called ?
Correct Answer: D
In a fission nuclear reaction, a heavy nucleus breaks up into smaller nuclei whereas in another nuclear reaction two or more than two possibly nuclei are fused to form a heavy nucleus This nuclear reaction is called: Fusion nuclear reaction. The term is defined by the subject, process, or characteristic described in the question.
Q1149.In a normal human body, the total number of red blood cells is ____?
Correct Answer: D
In a normal human body, the total number of red blood cells is 30 trillion. This follows from the structure and normal physiological function of the relevant organ, tissue, or body system.
Q1150.In a photocell light energy is converted into?
Correct Answer: D
In a photocell light energy is converted into: electrical energy. This follows from the structure and normal physiological function of the relevant organ, tissue, or body system.
Q1151.In a railway track, two rails are joined end to end with a gap tin between them because?
Correct Answer: D
In a railway track, two rails are joined end to end with a gap tin between them because: Accidents due to expansion in summer can be avoided. This description follows from the defining characteristics and established facts associated with the subject.
Q1152.In a very low temperature which from the following will freeze at last?
Correct Answer: C
In a very low temperature which from the following will freeze at last: Sea water. The stated result follows from the relevant physical relationship between force, matter, motion, or energy.
Q1153.In an MRI machine, which one of the following is used?
Correct Answer: D
In an MRI machine, which one of the following is used: Magnetic wave. Its design and operating principle allow it to perform the stated function.
Q1154.In an oil lamp, the oil rises up in the wick due to?
Correct Answer: A
In an oil lamp, the oil rises up in the wick due to: Capillary action. This description follows from the defining characteristics and established facts associated with the subject.
Q1155.In Astronomy, what are Pallas, Vesta and Davida?
Correct Answer: C
In Astronomy, what are Pallas, Vesta and Davida: Asteroids. This description follows from the defining characteristics and established facts associated with the subject.
Q1156.In bacteria mesosomes take place of which one of the following?
Correct Answer: B
In bacteria mesosomes take place of which one of the following: Mitochondria. This description follows from the defining characteristics and established facts associated with the subject.
Q1157.In blood, the percentage of water is____?
Correct Answer: C
In blood, the percentage of water is 90%. This follows from the structure and normal physiological function of the relevant organ, tissue, or body system.
Q1158.In BTU system, one BTU is equal to____?
Correct Answer: C
In BTU system, one BTU is equal to 2155 Joule. This value follows from the standard definition or accepted conversion used for the quantity.
Q1159.In context of environment, the term dirty dozen” refers to ____?
Correct Answer: C
In context of environment, the term dirty dozen” refers to 12 persistent organic pollutants. The term is defined by the subject, process, or characteristic described in the question.
Q1160.In Essential thrombocythemia (ET) condition, bone marrow makes?
Correct Answer: C
In Essential thrombocythemia (ET) condition, bone marrow makes: Too many platelets. This follows from the structure and normal physiological function of the relevant organ, tissue, or body system.