everyday science MCQs – Page 48

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 Review each marked answer and report any item that may be outdated or unclear.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
941. Ruby is an oxide of__________?
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A. silver

B. aluminium oxide

C. gold

D. platinum

942. Age of the lion is determined through?
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A. Length of Nails

B. Nose Colour

C. Hair Colour

D. Length of the tail

943. Which statement about sound is true?
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A. Sound cant travel through water

B. Non of theses

C. Sound cant travel through glass

D. Sound cant travel through vacuum
944. A reptile with a four-chambered heart is______________?
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A. Crocodile

B. Snake

C. Lizard

D. Turtle

945. Christian Friedrich Schnbein discovery is___________?
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A. Radium

B. Cholorine

C. Neutron

D. Ozone
946. Which is the hardest substance in the human body?
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A. Rib

B. Knee cap

C. Tooth enamel

D. Skull

947. How many times the sun is bigger than the size of the earth?
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A. 69 times

B. 99 times

C. 89 times

D. 109 times
948. One Torr is equivalent to how many mm of Mercury?
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A. 10 mm

B. 100 mm

C. 1 mm

D. 0.1 mm

949. Tooth decay is caused by?
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A. Salt

B. Sugar

C. Calcium

D. Formalin

950. As the temperature of ice rises, the ice melts and its density?
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A. Increases upto 10C

B. Increases

C. Remain constant

D. Decreases

951. First Atomic theory was proposed by?
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A. John Dalton

B. D.I.Mendeleef

C. De Broglie

D. E.Rutherford

952. On which disease did Robert Koch work?
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A. Tuberculosis

B. Diabetes

C. Cholera

D. Malaria

953. Which one of the following is not vector quantity _______?
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A. Speed

B. Displacement

C. Acceleration

D. Force

954. The blind spot is located at the ___________ of the eye ?
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A. aqueous humor

B. pupil

C. optic disc

D. vitreous humor

955. The term PVC used in the plastic industry stands for______________?
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A. Phosphavinyl chloride

B. Phosphor vanadiu chloride

C. Polyvinyl carbobate

D. Polyvinyl chloride
956. Which natural element has the highest melting point?
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A. Iron

B. Silver

C. Tungsten

D. Copper

957. Which of the following is affected by rickets in the human body?
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A. Tissues

B. Muscles

C. Blood

D. Bones
958. Who invented Logarithm Tables?
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A. John Douglas

B. John Harrison

C. John Napier

D. John Doe

959. Who first discovered how blood circulates in the human body?
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A. Joseph Lister

B. William Harvey

C. Edward Jenner

D. Gregor Mendel

960. Diamonds are made up almost entirely of what element?
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A. Nitrogen

B. Helium

C. Carbon

D. Methane