Everyday Science MCQs for all Competitive Exams.

Everyday Science MCQs 

• Which is the outermost planet in the solar system? 
• Ans. Neptune
• Severe deficiency of Vitamin D results in ____.?
  
•  Ans. rickets
• The SI unit of charge is ____?
• Ans. Coulomb
• Long-sight defect could be corrected by using ____ lens? 
• Ans. Convex
• Deficiency of Vitamin-A results in ____?
• Ans. Night blindness
• For a fixed mass of gass at constant temperature, if we decrease volume, the pressure will?
• Ans. increase
• The lifespan of Red Blood Cells is ____ days?
• Ans. 120
• The density of water is ____?
• Ans. 1 g/cm3
• Each day Human body breethe in  _______  liters of air.
• Ans. 10,000 to 15,000
• Deficiency of Vitamin-D results in ____?
• Ans. rickets
• The SI unit of “pressure” is ___.
• Ans. pascal
• The most densest substance on the Earth is ____.
•  Ans. Osmium
• A camera uses a ____ to form an image.
• Ans. convex lens
• Which from the following is NOT a conductor?
• A. Aluminium
• B. Gold
• C. Graphite
• Ans. All are conductors
• CNG stands for?
• Ans. Compressed Natural Gas
• Which from the following is true for “Sound”?
• Ans. Sound cannot travel through a vacuum
• When white light is passed through a prism, it splits into ____ colours. 
• Ans. 7
• 1 nanometer = ?
• Ans. 10-9 meter
• Instrument used for measuring very high temperature is ____?
• Ans. Pyrometer
• Sound waves are ___ waves.
• Ans. Longitudinal
• The lifespan of White Blood Cells is ____ day(s)?
• Ans. 5 – 21 days
• The fluid part of blood is known as ____?
• Ans. plasma
• During winter in cold countries, the ____ is mixed to melt the ice on the icy roads.
• Ans. Salt
• In a very low temperature which from the following will freeze at last? 
• Ans. Sea water
• The nearest planet to the Earth is ___?
• Ans . Venus
• The planet that moves round the Sun at the highest speed is_____?
• Ans. Mercury
• In general, Comets have ____ orbits
• Ans. Highly elliptical
• GPS is an abbreviation for?
• Ans. Global Positioning System
• Oxidation is a chemical reaction involving the ____? 
• Ans. Loss of Electrons
• At night, Plants intake ____ and release ____?
• Ans. Oxygen
• Carbon dioxide Urine is produced in ____?
• Ans. Kidneys
• The salinity of sea water is determined by the amount of common salt (Sodium Chloride) in ____ of sea water.
• Ans. 1 kg
• The planet which is easily visible from the Earth is?
• Ans. Venus
• The Great Spot is on the planet ____?
• Ans. Jupiter
• 1 light year = ?
• Ans. 9.5×1012 km
• The bodyguard of the Earth is ____ that save the Earth from many Comets and Asteroids.
• Ans. Jupiter
• The planets visible to us without using a telescope are ____?
• Ans. 5
• According to Big Bang Theory, the Universe began about ____ billion years ago.
• Ans. 10 – 20
• Biosensor is used to measure?
• Ans. Blood glucose level
• Einstein’s famous equation which states that mass and energy are interchangeable is?
• Ans. E = mc2
• The SI unit of electric current is?
• Ans. Ampere
• What is Dry Ice?
• Ans. Solid Carbon Dioxide
• Digestion of food is completed in the ____?
• Ans . small intestine
• The good sources of iodine are___?
•  Ans. Sea foods
• The gas, commonly known as “laughing gas”, is_____ ?
• Ans. Nitrous Oxide
• The source of oxygen in photosynthesis is_____
• Ans. water
• The instrument used to measure wind speed is?
• Ans. Anemometer
• The natural fats and oils are composed of_____?
• Ans. Carbon, Hydrogen and Oxygen
• The energy value of food is measured in___? 
• Ans. Calories
• Wind energy is the ____ energy.
• Ans. Kinetic
• Who is considered the founder of meteorology?
• Ans. Aristotle
• Water covers ____ of the Earth’s surface?
•  Ans. 71%
  
• Radioactivity was discovered by ____?
• Ans. Bacquerel
• A device which converts chemical energy into electrical energy is called ____?
• Ans. battery
• The Sun is a ____?
• Ans. Star
• The gas used in a refrigerator to cool water is_____?
• Ans. Tetrafluoroethane
• The average adult has a blood volume of about ____ liters.
• Ans. 5
• The most abundant element in the universe is ____.
• Ans. Hydrogen
• The most abundant element in the Earth’s crust is ____? 
• Ans . Oxygen