In blood, the percentage of water is___________?
A. 75%
B. 85%
C. 90%
D. 95%
Everyday Science Mcqs
Coke is made by heating coal in the absence of air at__________?
Coke is made by heating coal in the absence of air at__________?
A. 700 °C
B. 900 °C
C. 1300 °C
D. 1700 °C
Why are soft drink made with chilled water rather than water at room temperature?
Why are soft drink made with chilled water rather than water at room temperature?
A. Ingredients dissolve better in chilled water
B. Chilled water enhances the taste
C. Chilled water attracts more carbon dioxide
D. Chilled water is more hygienic
In an oil lamp, the oil rises up in the wick due to?
In an oil lamp, the oil rises up in the wick due to?
A. Capillary action
B. Atmospheric pressure
C. Viscosity of oil
D. Change in temperature
Heating element of an electric heater is made up of___________?
Heating element of an electric heater is made up of___________?
A. Tungsten
B. Graphite
C. Chromium
D. Nichrome
During a total solar eclipse there is most likely to be_____________?
During a total solar eclipse there is most likely to be_____________?
A. A decrease in the rate of photosynthesis
B. An increase in the rate of photosynthesis
C. A decrease in the rate of respiration
D. No effect on either photosynthesis or respiration
A tight-rope walker carries a long pole which he holds across his body. The purpose of this pole is to____________?
A tight-rope walker carries a long pole which he holds across his body. The purpose of this pole is to____________?
A. Prop him up if he falls
B. Spread out his weight and reduce the pressure on the rope
C. Add extra weight to keep the rope tightly stretched
D. To keep the centre of gravity always vertically above the rope
A man is standing on a weighing machine in a lift which is moving. The weighing machine will slow MINIMUM reading when, the lift is moving?
A man is standing on a weighing machine in a lift which is moving. The weighing machine will slow MINIMUM reading when, the lift is moving?
A. Upward with uniform speed
B. Downward with uniform acceleration
C. In a free fall due to failure of the lift mechanism
D. None of these
A slow-running pendulum clock can be speeded up by_______________?
A slow-running pendulum clock can be speeded up by_______________?
A. Increasing the length of the rod
B. Increasing the weight of the bob
C. Reducing the length of the rod
D. Reducing the weight of the bob
The major component of honey is_________?
The major component of honey is_________?
A. Glucose
B. Surcose
C. Maltose
D. Fructose
The major component of honey is fructose.
Composition of honey is:
Fructose – 38.2%
Sucrose – 1.5%
Glucose – 31%
Minerals – 0.5%
Water – 17.1%
Maltose – 7.2%
Carbohydrate – 4.2%