General Science MCQ: MCQ Questions General Science

General Science MCQ. Multiple-Choice Questions And Answers. More Science MCQ


General Science MCQ


1- The thickest layer in the Earth’s crust is ??

(A) Crust

(B) Mantle

(C) Outer Core

(D) None of the above


2- How much percentage of a human body is water ??

(A) 20%

(B) 30%

(C) 50%

(D) 60%


3- What is the density of water ??

(A) 10 g/cm3

(B) 1 g/cm3

(C) 0.1 g/cm3

(D) 1.1 g/cm3


4- Which scientist discovered the “Law of the photoelectric effect” ??

(A) Issac Newton

(B) James Chadwick

(C) Farady 

(D) Albert Einstein


5- What causes “Influenza” in humans ??

(A) disease

(B) bacteria

(C) virus

(D) fungi


6- Which scientist discovered Radioactivity ??

(A) Graham Bell

(B) Thomson

(C) Lord Kelvin

(D) Henri Becquerel


7- Chemical energy is converted into electrical energy with the help of a device called ??

(A) Thermometer

(B) motor

(C) battery

(D) emf


8- Among these the hardest metal is ??

(A) Platinum

(B) Gold

(C) Diamond

(D) Silver


9- What is placed in a circuit to prevent electric shocks ??

(A) fuse

(B) cell

(C) diode

(D) transistor


10- The Sun’s mass has two main constituents, hydrogen and ??

(A) Carbon

(B) Helium

(C) Ammonia

(D) Nitrogen




11- What is Sun, a _____ ??

(A) huge planet

(B) Exoplanet

(C) star

(D) meteor


12- At room temperature which metal is found liquid ??

(A) Cobalt

(B) Zinc

(C) Mercury

(D) Magma


13- The gas that cools the water in the refrigerator is ??

(A) Carbon dioxide

(B) Tetrafluoroethane

(C) Methane 

(D) Ammonia


14- The electricity produced by burning fossil fuels results in ??

(A) Disturbance

(B) More discoveries

(C) Carbon dating

(D) Pollution


15- The average adult has a blood volume of about how much liters ??

(A) 5

(B) 6

(C) 7

(D) 8


16- Batterygate apology was released by which company ??

(A) Samsung

(B) Apple

(C) Nokia

(D) Microsoft


17- The images formed in a compound microscope are ??

(A) Inverted

(B) Erect

(C) Both (a) and (b)

(D) None of these


18- Which is the most abundant element of our universe ??

(A) Helium

(B) Hydrogen

(C) Carbon

(D) Oxygen 


19- Entomology is the study of ??

(A) Birds

(B) Mountains

(C) Insects

(D) Mammals


20- Which lens is used in a simple microscope ??

(A) Cylindrical

(B) Concave 

(C) Convex

(D) None of these


General Science MCQ


21- How many liters each day a human body breathes ??

(A) 1,000 to 2,000

(B) 2,000 to 5,000

(C) 5,000 to 8,000

(D) 10,000 to 15,000


22- What is the standard unit “SI” of pressure ??

(A) Henry

(B) Tesla

(C) Newton

(D) Pascal


23- Exposure to sunlight is good for human health, for what reason ??

(A) It increases resistance power

(B) The ultraviolet rays convert skin oil into Vitamin D

(C) The infrared light kills bacteria in the body

(D) The pigment cells in the skin produce a healthy tan


24- The process of the elimination of toxic nitrogenous waste and excess water in man is called ??

(A) Circulation

(B) Reproduction

(C) Excertion

(D) Pollution


25- The densest substance found on the face of the Earth is ??

(A) Osmium

(B) Copper 

(C) Iron 

(D) Water


26- For international and Olympics Basketball matches, the dimensions of the basketball court should be ??

(A) 28 x 12

(B) 25 x 15

(C) 28 x 15

(D) 28 x 18


27- The standard unit of “Refractive Index” is ??

(A) Coulomb

(B) Henry

(C) Tesla

(D) No Unit


28- What does a camera use to form an image ??

(A) concave lens

(B) convex lens

(C) laser 

(D) All of these


29- RIMS stands for ??

(A) Real-time invoice monitoring system

(B) Rational information management system

(C) Regional information monitoring system

(D) None of the above


30- Which one of these is a liquid metal ??

(A) Mercury

(B) Sodium

(C) Cobalt

(D) Bismuth


General Science MCQ


31- Which one of these is not a conductor ??

(A) Graphite

(B) Silver

(C) Gold

(D)  All of the above


32- The abbreviation of “CNG” is ??

(A) Conducted Natural Gas

(B) Compressed Natural Gas

(C) Converted Natural Gas

(D) Conduced Natural Gas


33- Which one of the following is restricted by the Ozone layer ??

(A) Sunlight

(B) X-rays

(C) Ultraviolet radiations

(D) Infrared radiations


34- Which among these is not a primary color ??

(A) Blue 

(B) Green

(C) Red

(D) Grey


35- The correct statement for “Sound” is ??

(A) Sound can travel through a vacuum

(B) Sound cannot travel through a vacuum

(C) Sound cannot travel through solids

(D) All of the above


36- What tool is used to see objects at the surface of the water from Submarine is known as ??

(A) Microscope

(B) Telescope

(C) Periscope

(D) None of the above


37- “Endothermic Reactions” are the ones in which ??

(A) Light is emitted

(B) Pressure remains constant

(C) Heat is absorbed

(D) Temperature decreases rapidly


38- White light splits up into how many colors when passed through a prism ??

(A) 8

(B) 7

(C) 6

(D) 5


39- Another use of Biotechnology techniques is to cure what ??


(B) Diseases

(C) Genes

(D) None of the above


40- The least deviated color of light is ??

(A) White 

(B) Red

(C) Orange

(D) Green

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