everyday science MCQs – Page 6

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 Review each marked answer and report any item that may be outdated or unclear.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
101. When white light is passed through a prism, it splits into __________ colours.
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A. 5

B. 8

C. 6

D. 7
102. The fourth state of matter is?
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A. Salts

B. Vapours

C. Plasma

D. Water

103. The average heartbeat per minute in a normal man is _________?
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A. 100

B. 80

C. 70

D. 50

104. Sound waves are _________ waves.
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A. Transverse

B. Electromagnetic

C. None of these

D. Longitudinal
105. The half life of a radioactive element is 8-days. How long it take to reduce it from 10 mg to 5 mg?
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A. 8 days

B. 12 days

C. 16 days

D. None of these

E. 4 days

106. Which of the following explains the reason why there is no total eclipse of the sun?
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A. Direction of rotation of earth around sun

B. Area of the sun covered by the moon

C. Size of the earth in relation to that of moon

D. None of these

E. Orbit of moon around earth

107. Deficiency of Vitamin-A results in __________?
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A. rickets

B. Night blindness

C. hair fall

D. scurvy

108. Coulomb is the scientific unit to measure?
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A. None OF These

B. Mass

C. Temperature

D. Velocity

109. In winter an iron pipe feel colder than a wooden window . This is because wood is_______?
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A. Not a solid while iron is a solid

B. Conductor

C. Semi- Conductor

D. Non-Conductor

E. None of these

110. The sunlight can reach a depth of___________meters in the ocean
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A. None

B. 200

C. 80

D. 120

111. The Continent Antarctica lies at the__________?
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A. None of these

B. South pole

C. North pole

D. middle of the earth

E. Equator

112. Bats can also fly in dark because they are capable of taking the help of _________?
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A. Special Retina

B. Ultraviolet Waves

C. Electromagnetic Waves

D. Ultrasonic Waves
113. Myopia is a defect of Human eye. it can be corrected by using a lens called?
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A. Plano convex lens

B. Cylindrical lens

C. None of these

D. Concave lens

E. Convex lens

114. The term Blue Shift is used to indicate?
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A. Turning a star from white to blue

B. In future sun would become blue

C. Black hole was blue at its start

D. None of these

E. Doppler effect in which an object appears bluer when it is moving towards the observer or observer is moving towards the object.
115. One of the main function of the earths ozone layer is to ?
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A. All of the above

B. Prevent global warming

C. Filter out ultraviolet rays

D. Absorb pollution

116. Rectified spirit contains alcohol about ?
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A. 95%

B. 85%

C. 80%

D. 70%

117. The most important stimulant in tea leaves is?
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A. Phenylalanine

B. Brucine

C. Caffeine

D. Theine

118. Carrot is good source of Vitamin _______?
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A. Vitamin D

B. Vitamin A

C. Vitamin B

D. Vitamin C

119. How many bones are there in an adult human being?
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A. 206

B. 210

C. 260

D. 300

120. The main function of the kidney is ____________?
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A. To help in digestion of food

B. To remove waste product from the body

C. To control blood pressure

D. To control body temperature