everyday science MCQs – Page 27

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 Review each marked answer and report any item that may be outdated or unclear.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
521. X-rays were discovered by __________?
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A. Thomson

B. Bacquerel

C. Ernest Rutherford

D. Wilhelm Conrad Roentgen
522. What are Columns in Periodic table called?
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A. Group

B. Perpendiculars

C. Period

D. Verticals

523. The hard, solid rocks, whose composition or texture has been changed by heat or pressure in the Earth are called____________?
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A. Metamorphic rocks

B. Sedimentary rocks

C. All of the above

D. Igneous rocks

524. Which element is used as moderator in nuclear reactor?
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A. Fresh water

B. Heavy water

C. Dense water

D. Light water

525. For being able to see three-dimensional pictures we have to use___________?
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A. A stereoscope

B. A binocular

C. A epidiascope

D. A camera

526. How many layers of Atmosphere?
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A. 3

B. 2

C. 5

D. 4

527. Which of the following is a function of Vitamin A in the body?
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A. Normal cell development and reproduction

B. All of the above

C. Vision, bone and body growth

D. Immune defenses, maintenance of body linings and skin

528. How many Dynes are there in one gram weight?
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A. 993

B. 981

C. 250

D. 375

529. As a result of which treaty, ozone hole in Antarctica is slowly healing?
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A. Oslo Accord

B. Koyoto protocol

C. Ottawa treaty

D. Montreal protocol
530. A term biotype means ___________?
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A. all individuals having same phenotype

B. all individuals having same genotype

C. all individual with different phenotype

D. all individuals with different genotype

531. According to many, including the Guinness Book of World Record,________is the worlds rarest mineral?
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A. Taaffeite

B. Benitoite

C. Jadeite

D. Painite
532. The outermost layer of the Earth is called ____________?
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A. None of these

B. Core

C. Crust

D. Mental

533. Winter Solstice means____________?
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A. smallest day

B. longest day

C. longest night

D. smallest night

534. Vitamin C is found in_________?
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A. Sea Food

B. None of these

C. Seeds

D. Fruits andVegetables
535. Adult human brain is about_________% of the total body weight.
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A. 3%

B. 7%

C. 2%

D. 8%

536. Telephone was invented by__________?
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A. Alexander Graham Bell

B. Charles Babbage

C. Vint Cerf

D. Edison

537. Scientist discovered a previously undetected feature of the human Anatomy that could be the largest organ of human body?
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A. Interstitium

B. Brass

C. Otic

D. Pectora

538. Most of the ozone in the atmosphere is concentrated in the____________?
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A. Troposphere

B. Stratosphere

C. Ionosphere

D. Mesosphere

539. The Sun is at an average distance of about________ million kilometers away from Earth?
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A. 100 million

B. 250 million

C. 150 million

D. 200 million

540. Year is longest on:___________?
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A. Mars

B. Mercury

C. Jupiter

D. Earth