Prepare with top Everyday Science MCQs for 2025. Covers physics, chemistry, biology & scientific facts for FPSC, IBA, STS & all competitive exams.
- The most abundant element in the universe is ____.
Hydrogen - The most abundant element in the Earth’s crust is ____?
Oxygen - Each day human body breathe in ____ liters of air.
15,000 to 20,000 - Deficiency of Vitamin-D results in ____?
Rickets - The SI unit of “pressure” is ____.
Pascal - The most densest substance on the Earth is ____.
Osmium - For a fixed mass of gas at constant temperature, if we decrease volume, the pressure will ____?
Increase - The lifespan of Red Blood Cells is ____ days?
120 - The density of water is ____?
1 g/cm³ - Radioactivity was discovered by ____?
Becquerel - A device which converts chemical energy into electrical energy is called ____?
Generator - The Sun is a ____?
Star - The gas used in a refrigerator to cool water is ____?
Carbon dioxide - Sound waves are ____ waves.
Longitudinal - The lifespan of White Blood Cells is ____ day(s)?
4 – 21 days - The fluid part of blood is known as ____?
Plasma - During winter in cold countries, the ____ is mixed to melt the ice on the icy roads.
Salt - In a very low temperature which from the following will freeze at last?
Sea water - The nearest planet to the Earth is ____?
Venus - GPS is an abbreviation for?
Global Positioning System - A camera uses a ____ to form an image.
Convex lens - Which from the following is NOT a conductor?
All are conductors (Note: Assuming an error in options, none are non-conductors) - CNG stands for?
Compressed Natural Gas - Which from the following is true for “Sound”?
Sound cannot travel through a vacuum - When white light is passed through a prism, it splits into ____ colours.
7 - 1 nanometer = ?
10⁻⁹ meter - Instrument used for measuring very high temperature is ____?
Pyrometer - Oxidation is a chemical reaction involving the ____?
Loss of Electrons - At night, Plants intake ____ and release ____?
Carbon dioxide – Oxygen - Urine is produced in ____?
Kidneys - Blood is cleaned by ____?
Kidneys - The salinity of sea water is determined by the amount of common salt (Sodium Chloride) in ____ of sea water.
1 kg - The planet which is easily visible from the Earth is?
Venus - The Great Spot is on the planet ____?
Jupiter - Which is the outermost planet in the solar system?
Neptune - Severe deficiency of Vitamin D results in ____.
Rickets - Milk contains water ____.
80% - The SI unit of charge is ____?
Coulomb - Very High Frequency (VHF) have ____ wavelengths?
Shorter - Long-sight defect could be corrected by using ____ lens?
Convex - ALSO CHECK: Short-sight defect could be corrected by a ____ lens?
Concave - Deficiency of Vitamin-A results in ____?
Night blindness - A camera uses a ____ to form an image.
Convex lens - Which from the following is NOT a conductor?
All are conductors (Note: Assuming an error in options, none are non-conductors) - CNG stands for?
Compressed Natural Gas - Which from the following is true for “Sound”?
Sound cannot travel through a vacuum - When white light is passed through a prism, it splits into ____ colours.
7 - 1 nanometer = ?
10⁻⁹ meter - Instrument used for measuring very high temperature is ____?
Pyrometer - Oxidation is a chemical reaction involving the ____?
Loss of Electrons - At night, Plants intake ____ and release ____?
Carbon dioxide – Oxygen - Urine is produced in ____?
Kidneys - Blood is cleaned by ____?
Kidneys - The salinity of sea water is determined by the amount of common salt (Sodium Chloride) in ____ of sea water.
1 kg - The planet which is easily visible from the Earth is?
Venus - The Great Spot is on the planet ____?
Jupiter - 1 light year = ?
9.5×10¹² km - The bodyguard of the Earth is ____ that save the Earth from many Comets and Asteroids.
Jupiter - The planets visible to us without using a telescope are ____?
3 - According to Big Bang Theory, the Universe began about ____ billion years ago.
30 – 40 - Biosensor is used to measure?
Blood glucose level - Einstein’s famous equation which states that mass and energy are interchangeable is?
E = mc² - The SI unit of electric current is?
Ampere - The principal constituent of the atmosphere of the Earth is?
Nitrogen - What is Dry Ice?
Solid Carbon Dioxide - Digestion of food is completed in the ____?
Small intestine - Carrot is good source of Vitamin ____?
Vitamin A - For proper formation of teeth, ____ is essential?
Fluorine - Deficiency of ____ causes loss of appetite and poor growth?
Zinc - Meteorology is the study of?
Winds and clouds - The Carbon Dioxide in the atmosphere, by volume, is ____?
0.039% - Diamond is an allotropic form of ____?
Carbon - The SI unit of Heat is ____?
Joule - The good sources of Vitamin-A are?
Green leafy vegetables - The good sources of Vitamin-B Complex are?
Fresh vegetables and fruits - The good sources of Vitamin-C are ____?
Fresh vegetables and fruits - The good sources of iodine are ____?
Sea foods - The gas, commonly known as “laughing gas”, is
Nitrous Oxide - The source of oxygen in photosynthesis is
Water - The instrument used to measure wind speed is?
Anemometer - The natural fats and oils are composed of ____?
Carbon, Hydrogen and Oxygen - The energy value of food is measured in ____?
Joule - Wind energy is the ____ energy.
Kinetic - Who is considered the founder of meteorology?
Aristotle - Water covers ____ of the Earth’s surface?
71% - In general, wind speed of 10 – 13 kph caused ____?
Minor or no damage - Acid rain is mainly caused by emissions of ____ in the atmosphere?
Sulfur Dioxide and Nitrogen Oxide - About 50% of the Earth’s crust, including the waters on the Earth and atmosphere, is?
Oxygen - The fourth state of matter is?
Plasma - The device used to convert Alternate Current into Direct Current is called?
Rectifier - In night, when photosynthesis is stopped, plants ____?
Take in Carbon Dioxide - ____ are called the powerhouses of the cell?
Mitochondria - One of the countries through which equator passes is ____?
Kenya - Copper can be converted into gold by?
Artificial radioactivity - The three elements needed for healthy growth of plants are ____?
N, P, K - Clocks, which moves with the velocities comparable with the velocity of light, run ?
Slow - Max Planck received the noble prize in Physics in 1918 for his discovery of ?
Energy quanta - Bronze medal is made up of metals ?
Copper, tin - Addison’s disease is caused by the deficiency of ____?
Adrenocorticotrophic Hormone - Humming bird belongs to a category called ?
Endotherm - Radioactive isotope of Uranium used in Nuclear Bomb is ?
A.92 U 235 - Human population growth is greatest in developing countries because ?
The birth rate is high in developing countries - Which woody raw material is used for the manufacture of paper pulp?
Poplar - Rectified spirit contains alcohol about ?
95% - Which of the following elements is not present abundantly in earth’s crust?
Radium - The famous book; Al – Qanun was written by the Muslim scientist?
Abu Ali Sina
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