General Knowledge

General Knowledge Based on Science (Questions and Answers- Part 1)

General Knowledge is a wide range of learning variety. It covers the knowledge of various aspects. It broadens the learning scope of the learners as it doesn't merely focus on a specialized subject.  In recent years, questions based on general knowledge have been an integral part of exams for the post of various departments of governmental organs. General knowledge is assuredly the important part of school education.  

To get the information of the different cultures, religions, sports, politics, literature, etc., books designed following national curriculum can be insufficient.  General knowledge interests all types of learners as it is not specific and easy to learn.

The given GK questions and answers are associated with science. These questions and answers have been prepared with the support of reliable sources. The collection of questions and answers contains all the areas of science.

·        What is the standard unit of mass? - Kilogram 

·        Which watch is used by scientists for the correct measurement of time? - Atomic watch 

·         What is the rate of displacement called? - Velocity 

·        What is negative acceleration called? - Retardation 

·        What is the SI unit of acceleration? -   m/s²

·        What is the SI unit of density? - kg/ m³

·        What is the boiling point of Mercury? -   357⁰C

·        What is the freezing point of Mercury? - 39⁰C 

·        What is the unit of heat? - Joule 

·        What is the range of the temperature measured by a simple thermometer?
- (-10 ⁰C to 110 ⁰C)

·        Which mirror is used for looking our face? - Plane mirror 

·         What is the process of bending of light when it travels from one medium to the other medium called? - Refraction 

·        What is the efficiency of a perfect machine? - 100% 

·        What is the velocity ratio of a movable pulley? - 2 

·        What is the process called when a white light of sun splits into seven colours? - Dispersion 

·        When dispersion of light takes place through a glass prism, which coloured light remains at the top? - Red 

·        What is the wave length of X- Ray? - 0.01 nm to 10 nm 

·        What is the time required to define frequency? - 1 second 

·        What is the frequency of audible sounds? - (20 Hz to 20 KHz) 

·        What is the minimum distance of a reflecting surface from the source of sound to produce echo? - 17m 

·        What is the value of angle of dip at the magnetic poles of the earth? -  90⁰

·         Which instrument is used to measure the angle of dip? - Dip needle 

·        What is the potential difference when 5 Ampere current flows in a conducting wire of resistance 2Ω? - 10 V 

·        Which instrument is used to measure the potential difference? - Voltmeter 

·         What is the substance that is obtained as a result of chemical reaction called? - Products 

·        What is the reaction that gives heat during the time of chemical reaction called? - Exothermic reaction

·        Which compound is formed when magnesium is burnt with oxygen? - magnesium oxide 

·        What is the number of molecules in one mole substance? -   6.02 X 10²³

·        Who introduced modern periodic table? - Henry Mosely 

·        How many elements were classified in Mendeleev’s periodic table? - 63 

·        What is the melting point of tungsten? - 3400 ⁰ C 

·        What is the molecular formula of baking soda? -  NaHCO₃

·         How many moles of H₂0 are there in 30g of water? - 1.66 

·        Which metal melts at 1064 ⁰ C? - Gold 

·         Which is the heaviest natural element? - Uranium 

·        What is the name of the book named ‘Origin of Species’? – Charles Darwin 

·        What is the digestive juice produced by liver? - Bile juice 

·        Which part of urinary system stores urine for urination? - Urinary bladder 

·        Who is the father of genetics? - Gregor Mendel

·        Which virus causes common cold? - Rhinovirus 

·        What is the speed of light? - 3x10⁸ m/s 

·        What is the duration of synodic month? - 29.5 days 

·        How long does the sidereal month last? - 27.322 days 

·        What is the distance between the earth and the sun? - 1.5 x 10 ⁸ km

·        What is the unit, which is bigger than light year and can be used to measure the distance between the heavenly bodies called? - Parsec 

·        On which days are days and nights equal? - 21 March and 23 September 

·        Which planet is called a red planet? - Mars 

·        Which planet is known as earth’s twin? - Venus 

·        Who founded planetesimal hypothesis? - George Buffon 

·        Into how many periods is the Palaeozoic Era divided? - 6