everyday science MCQs – Page 96

Practise multiple-choice questions from everyday science for competitive examinations and subject revision. Review each marked answer and report any item that may be outdated or unclear.

everyday science Mcqs
1901. How many coloumns in the modern Periodic Table?
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A. 17

B. 19

C. 18

D. None of these.

1902. An astronaut sees the colour of the sky as: _________?
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A. White

B. Red

C. Black

D. Blue

1903. Main constituent in air is ___________?
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A. Helium

B. Nitrogen

C. Oxygen

D. Hydrogen

1904. The SI unit of Dipole moment is __________?
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A. Cm

B. Coulumb

C. Weber

D. Debye
1905. Cataract is a disease of ________?
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A. Lungs

B. Eyes

C. Throat

D. Circulatory system

1906. What is the name of that system, which uses radioactivity to decide the period of materials of-pre-historic period ?
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A. Deuterium dating

B. Radium dating

C. Uranium dating

D. Carbon dating
1907. What is the degree of rotation of the earth each hour?
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A. 5

B. 15

C. 7.5

D. 1

1908. Kilowatt-hour is a unit of____________?
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A. None of these

B. Power

C. Electric Current

D. Energy

E. Time

1909. An average human heart beats about time in a minute?
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A. 85 times

B. 120 times

C. 90 times

D. 72 times
1910. Metal are highly ___________ ?
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A. Electropositive

B. Electronegativity

C. Both of these

D. Neutral

1911. Maximum biological damage is caused by ____________?
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A. Microwaves

B. Beta rays

C. Alpha rays

D. Gamma rays
1912. What is the magnetic field at any point in the open space inside the toroid?
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A. Depends on the current in the turns

B. Depends on number of turns

C. one

D. zero
1913. Which metal pollute the air of a big city?
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A. Cadmium

B. Lead

C. Copper

D. Chromium

1914. 1 tonne = _____ kg?
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A. 1000

B. 4000

C. 100

D. 400

1915. How many muscles in human body?
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A. 642

B. None of these

C. 632

D. 639
1916. Which hormone is necessary for the production of milk in the mothers breast?
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A. A.D.H.

B. FSH

C. Oxytocin

D. prolactin
1917. Rain drops fall from great height Which among the following statements is true regarding it?
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A. their velocity increases and they fall with same velocity on the earth

B. they fall with same ultimate velocity

C. they fall with that ultimate velocity, which are different for different droplets

D. their velocity increases and they fall with different velocity on the earth

1918. Which element has the most % in human body?
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A. Oxygen 65%

B. Hydrogen 10%

C. Calcium 75%

D. Carbon 18%

1919. Despite the fluctuation in human body temperature. The temperature of human body remains at _________?
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A. 37 C

B. 35 C

C. 54 C

D. 42 C

1920. pH value of Blood or Red Blood Cells ?
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A. 6

B. 5

C. 10-Aug

D. 7.35-7.45