everyday science MCQs – Page 88

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 Review each marked answer and report any item that may be outdated or unclear.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
1741. Stars in the sky appear to twinkle due to _________?
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A. a surface tension phenomenon

B. multiple diminishing brightness

C. a series of reflections

D. a series of refractions
1742. Lux is a unit of __________?
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A. Illumination

B. Luminous Intensity

C. Luminous Flux

D. Focus

1743. The audio signals of TV are _____________?
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A. Amplitude modulated

B. Velocity modulated

C. fixe modulated

D. Frequency modulated
1744. Triple point of water is _________?
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A. 273.16 K

B. 271 K

C. None of these

D. 272.2 K

1745. The major source of quick energy is ___________?
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A. None of these

B. Minerals

C. Carbohydrates

D. vitamins

1746. The color which we see when our eyes are closed?
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A. Black

B. Eigengrau

C. Grey

D. None of these

1747. Pure limestone is called _______?
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A. None of these

B. Calcium Sulphate

C. Calcium Carbonate

D. Aluminum Oxide

1748. Deficiency of vitamin D in human body can causes____?
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A. Gum disease

B. Eye-sighted weakness

C. Skin problem

D. osteoporosis and fractures
1749. The Summer solstice in the Northern Hemisphere happens on: __________?
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A. 22-Dec

B. 21-Jul

C. 21 June

D. 22-Mar

1750. What is the name of newsly discovered galaxy which may be the earliest and most distant galaxy ever discovered in April 2022?
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A. GN-z11

B. None of these

C. Milky way

D. HD1
1751. Skin is _____ thick?
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A. 2cm

B. 2mm

C. 3cm

D. 3mm

1752. What is the percentage of salt water on earth surface?
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A. 76%

B. 95%

C. 97%

D. 93%

1753. Which of the following is the strongest & longest bone of human body?
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A. Tibia

B. None of the above

C. Stapes

D. Femur
1754. The value of acceleration due to gravity is minimum on which of these planets?
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A. Jupiter

B. Mars

C. Neptune

D. Mercury
1755. Which of the following is good conductor of heat but bad conduct of electricity?
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A. Mica

B. Aluminium

C. Titanium

D. Abestos

1756. The distance between the earth and the sun is smallest in the month of _________?
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A. December

B. January

C. February

D. April

1757. Night vision is possible with the help of ___________?
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A. Violet light

B. None of these

C. Ultra violet Light

D. Infrared Rays

E. Red light

1758. Elastic rebound theory explains:
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A. causes of earthquake

B. formation of rocks

C. structure of solids

D. None of these

1759. Combustion can not take place without __________?
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A. Oxygen

B. Air

C. Hydrogen

D. Argon

1760. Rainbow is seen after rain because of hanging molecules of water which act as __________?
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A. Slabs

B. Mirror

C. Prism

D. Lens