Everyday Science 100 Most Repeated MCQs

 If you are looking to prepare online Public Service Commission Everyday Science Objective Type Multiple Choice Question Answers You are here on right page. Learn online Everyday Science Online MCQs quiz tests for upcoming jobs. All of these question answers are important and most repeated in PPSC, SPSC, BPSC, KPPSC and PMS exams tests.

Everyday Science Quiz Test Online

Here EasyMCQs Is providing you 100 most repeated objective type MCQs of Every day Science. Learn and share these MCQs for interviews jobs tests. There are many jobs that are announced by PPSC Public Service commission of Pakistan in every month in every test Everyday Scinece is the most important part of question answers but on this page you will learn most repeated objective type question answers of PPSC Past Papers MCQS.

Everyday Science Most Repeated MCQs Online Quiz Test

Q.1: Which component of the body works as an energy storage device?

1. Fats
2. Proteins
3. Liver
4. Skin

A

Q.2: What divides the Earth into the Northern and the Southern Hemispheres?

1. Axis of rotation
2. Equator
3. North Pole
4. South Pole

B

Q.3: Ozone protects the Earth from harmful ultraviolet radiations from the Sun. The chemical formula of ozone is?

1. O
2. O2
3. O3
4. O4

C

Q.4: Human body is about ----- water by weight?

1. 50%
2. 60%
3. 70%
4. 80%

B

Q.5: Who won the Nobel prize in physics for the discovery of the “Law of photoelectric effect”?

1. Wilhelm Rontgen
2. Ernest Rutherford
3. Albert Einstein
4. Isaac Newton

C

Q.6: For a fixed mass of gas at constant temperature, if we decrease volume, the pressure will?

1. also decrease
2. increase
3. remains constant
4. none of these

B

Q.7: The lifespan of Red Blood Cells is ---------- days?

1. 60
2. 120
3. 180
4. 240

B

Q.8: The density of water is?

1. 1 g/cm3
2. 1.5 g/cm3
3. 2 g/cm3
4. none of these

A

Q.9: Radioactivity was discovered by?

1. Lord Kelvin
2. J. J. Thomson
3. Ernest Rutherford
4. Henri Becquerel

B

Q.10: The Sun’s mass is mainly consist of hydrogen (about 73%). The second main constituent (about 25%) is?

1. hydrogen
2. helium
3. carbon dioxide
4. nitrogen

D

Q.11: The Sun is a/an?

1. Star
2. Planet
3. Asteroid
4. Meteor

A

Q.12: The average adult has a blood volume of about -------- liters?

1. 4
2. 5
3. 6
4. 7

B

Q.13: The most abundant element in the universe is?

1. Oxygen
2. Hydrogen
3. Carbon Dioxide
4. Silicon

B

Q.14: The most abundant element in the Earth’s crust is?

1. Oxygen
2. Hydrogen
3. Carbon Dioxide
4. Silicon

A

Q.15: Each day human body breathe in -------- liters of air?

1. 5,000 to 10,000
2. 10,000 to 15,000
3. 15,000 to 20,000
4. 20,000 to 25,000

C

Q.16: Deficiency of Vitamin-D results in?

1. night blindness
2. rickets
3. scurvy
4. hair fall

B

Q.17: The SI unit of “pressure” is?

1. pascal
2. joule
3. tesla
4. henry

A

Q.18: The most densest substance on the Earth is?

1. Platinum
2. Copper
3. Steel
4. Osmium

D

Q.19: A camera uses a ---------- to form an image?

1. convex lens
2. concave lens
3. condenser lens
4. none of these

A

Q.20: Which from the following is NOT a conductor?

1. Aluminium
2. Silicon
3. Graphite
4. All are conductors

D

Q.21: CNG stands for?

1. Converted Natural Gas
2. Conduced Natural Gas
3. Conducted Natural Gas
4. Compressed Natural Gas

D

Q.22: Which from the following is true for “Sound”?

1. Sound cannot travel through a vacuum
2. Sound cannot travel through gases
3. Sound cannot travel through liquids
4. Sound cannot travel through solids

A

Q.23: When white light is passed through a prism, it splits into ------- colours?

1. 5
2. 6
3. 7
4. 8

B

Q.24: 1 nanometer = ?

1. 10–3 meter
2. 10–6 meter
3. 10–9 meter
4. 10–12 meter

C

Q.25: Instrument used for measuring very high temperature is?

1. Pyroscope
2. Pyrometer
3. Seismograph
4. Xylometer

B

Q.26: Sound waves are --------- waves?

1. Transverse
2. Electromagnetic
3. Longitudinal
4. none of these

C

Q.27: The lifespan of White Blood Cells is ---------- day(s)?

1. 1
2. 2
3. 3
4. 4

A

Q.28: The fluid part of blood is known as?

1. plasma
2. platelets
3. blood cells
4. hormones

A

Q.29: X-rays were discovered by?

1. Rontgen
2. Thomson
3. Rutherford
4. Bacquerel

A

Q.30: The speed of light is?

1. 280,000 km/s
2. 300,000 km/s
3. 320,000 km/s
4. none of these

B

Q.31: During winter in cold countries, the ---------- is mixed to melt the ice on the icy roads?

1. Salt
2. Chlorine
3. Carbon dioxide
4. Water

A

Q.32: In a very low temperature which from the following will freeze at last?

1. River water
2. Canal water
3. Sea water
4. Water in a lake

C

Q.33: The nearest planet to the Earth is?

1. Venus
2. Mercury
3. Mars
4. Moon

A

Q.34: The planet that moves round the Sun at the highest speed is?

1. Jupiter
2. Venus
3. Mars
4. Mercury

D

Q.35: In general, Comets have ---------- orbits?

1. Elliptical
2. Highly elliptical
3. Circular
4. Parabolic

B

Q.36: GPS is an abbreviation for?

1. Global Poles System
2. Global PolySiliconium Store
3. Global Positioning System
4. Global Position Structure

C

Q.37: Oxidation is a chemical reaction involving the?

1. Gain of Electrons
2. Loss of Electrons
3. Gain of Protons
4. Loss of Protons

B

Q.38: At night, Plants intake ---------- and release ----------?

1. Oxygen, Carbon dioxide
2. Carbon dioxide, Oxygen
3. Oxygen, Carbon monoxide
4. Carbon monoxide, Oxygen

A

Q.39: Urine is produced in?

1. Kidneys
2. Lungs
3. Large intestine
4. Liver

A

Q.40: Blood is cleaned by?

1. Lungs
2. Liver
3. Heart
4. Kidneys

D

Q.41: The position of an element in the Periodic Table is determined by its ---------- number?

1. Electron
2. Proton
3. Neutron
4. Positron

B

Q.42: The salinity of sea water is determined by the amount of common salt (Sodium Chloride) in ------- of sea water?

1. 1 gram
2. 10 grams
3. 1 kg
4. 10 kg

C

Q.43: The planet which is easily visible from the Earth is?

1. Mercury
2. Venus
3. Mars
4. Jupiter

B

Q.44: In the solar system, the Great Spot is on the planet?

1. Saturn
2. Venus
3. Mars
4. Jupiter

D

Q.45: The Great Spot is a?

1. Mountain
2. Desert
3. Frozen Carbon dioxide
4. Storm

D

Q.46: The bodyguard of the Earth is -------- that save the Earth from many Comets and Asteroids?

1. Mars
2. Saturn
3. Uranus
4. Jupiter

D

Q.47: 1 light year =?

1. 9.5×106 km
2. 9.5×109 km
3. 9.5×1012 km
4. 9.5×1018 km

C

Q.48: The planets visible to us without using a telescope are?

1. 3
2. 4
3. 5
4. 6

C

Q.49: According to Big Bang Theory, the Universe began about -------- billion years ago?

1. 10 – 20
2. 20 – 30
3. 30 – 40
4. 40 – 50

A

Q.50: Biosensor is used to measure?

1. Blood glucose level
2. The body pH value
3. Amount of hemoglobin
4. Salinity in Urine

A

Q.51: Einstein’s famous equation which states that mass and energy are interchangeable is?

1. E = mc2
2. E = cm2
3. M = ec2
4. M = ce2

A

Q.52: The SI unit of electric current is?

1. Coulomb
2. Ampere
3. Volt
4. Watt

A

Q.53: The principal constituent of the atmosphere of the Earth is?

1. Oxygen
2. Carbon
3. Hydrogen
4. Nitrogen

D

Q.54: What is Dry Ice?

1. Solid Oxygen
2. Solid Carbon Dioxide
3. Solid Hydrogen
4. Solid Nitrogen

B

Q.55: Which are the three primary colours?

1. White, Black, Blue
2. Red, Yellow, Blue
3. Red, Orange, Blue
4. Red, Green, Blue

B

Q.56: Digestion of food is completed in the?

1. small intestine
2. large intestine
3. stomach
4. Liver

A

Q.57: Carrot is good source of vitamin?

1. A
2. B complex
3. C
4. D

A

Q.58: For proper formation of teeth, ---------- is essential?

1. iodine
2. copper
3. fluorine
4. iron

C

Q.59: Deficiency of ---------- causes loss of appetite and poor growth?

1. zinc
2. iodine
3. copper
4. iron

A

Q.60: Meteorology is the study of?

1. seasons
2. atmosphere
3. air and sounds
4. winds and clouds

B

Q.61: The Carbon Dioxide in the atmosphere, by volume, is?

1. 0.039%
2. 3.9%
3. 13%
4. 30%

A

Q.62: Diamond is an allotropic form of?

1. Carbon
2. Hydrogen
3. Nitrogen
4. Silicon

A

Q.63: The SI unit of Heat is?

1. Watt
2. Volt
3. Joule
4. Newton

C

Q.64: The good sources of Vitamin-A are?

1. green leafy vegetables
2. seeds
3. fresh vegetables and fruits
4. sea foods

A

Q.65: The good sources of Vitamin-B Complex are?

1. green leafy vegetables
2. seeds
3. fresh vegetables and fruits
4. sea foods

B

Q.66: The good sources of Vitamin-C are?

1. green leafy vegetables
2. seeds
3. fresh vegetables and fruits
4. sea foods

C

Q.67: The good sources of iodine are?

1. green leafy vegetables
2. seeds
3. fresh vegetables and fruits
4. sea foods

D

Q.68: The gas, commonly known as “laughing gas”, is?

1. Cabon Dioxide
2. Sulfur Dioxide
3. Nitrous Oxide
4. Sodium Oxide

C

Q.69: The source of oxygen in photosynthesis is?

1. water
2. salts
3. minerals
4. glucose

A

Q.70: The instrument used to measure wind speed is?

1. Anemometer
2. Barometer
3. Hydrometer
4. Hygrometer

A

Q.71: The natural fats and oils are composed of?

1. Carbon, Hydrogen and Oxygen
2. Carbon, Hydrogen and Nitrogen
3. Carbon, Oxygen and Nitrogen
4. Hydrogen, Oxygen and Nitrogen

A

Q.72: The energy value of food is measured in?

1. Joule
2. Calories
3. Tesla
4. Proteins

B

Q.73: Wind energy is the ---------- energy?

1. Potential
2. Transverse
3. Kinetic
4. Mechanical

C

Q.74: Who is considered the founder of meteorology?

1. Aristotle
2. Plato
3. Einstein
4. Newton

A

Q.75: Water covers ---------- of the Earth’s surface?

1. 60%
2. 65%
3. 70%
4. 75%

C

Q.76: In general, wind speed of 105–137 km/h cause?

1. minor or no damage
2. considerable damage
3. severe damage
4. extreme damage

A

Q.77: Acid rain is mainly caused by emissions of ---------- in the atmosphere?

1. Sulfur Dioxide and Potassium Nitrate
2. Sulfur and Charcoal
3. Nitrogen Oxide and Potassium Nitrate
4. Sulfur Dioxide and Nitrogen Oxide

D

Q.78: About 50% of the Earth’s crust, including the waters on the Earth and atmosphere, is?

1. Oxygen
2. Carbon Dioxide
3. Silicon
4. Clay

A

Q.79: The fourth state of matter is?

1. Water
2. Salts
3. Vapours
4. Plasma

D

Q.80: The device used to convert Alternate Current into Direct Current is called?

1. Anemometer
2. Battery
3. Galvanometer
4. Rectifier

D

Q.81: In night, when photosynthesis is stopped, plants?

1. take in Carbon Dioxide
2. take in Oxygen
3. give off Carbon Dioxide
4. give off Oxygen

C

Q.82: During photosynthesis, plants?

1. take in Carbon Dioxide
2. take in Oxygen
3. give off Carbon Dioxide
4. give off Oxygen

D

Q.83: ---------- are called the powerhouses of the cell?

1. Mitochondria
2. Vesicles
3. Lungs
4. Liver

A

Q.84: Mitochondria contain their own supply of?

1. DNA
2. Amino acids
3. Vitamins
4. Oxygen

C

Q.85: The first chemical explosive, Gunpowder, is a mixture of?

1. Sulfur, Charcoal and Nitrogen Oxide
2. Sulfur, Charcoal, and Potassium Nitrate
3. Sulfur and Charcoal
4. Charcoal and Potassium Nitrate

D

Q.86: The number of oscillations per second is called the?

1. hertz
2. waves
3. pitch
4. frequency

D

Q.87: Sound waves from a loudspeaker are caused by?

1. frequency
2. vibrations
3. pitch
4. amplitude

B

Q.88: The guitar has ---------- strings?

1. 4
2. 5
3. 6
4. 7

C

Q.89: The device used to measure movements of the heart is?

1. Cardiograph
2. Seismograph
3. Hydrometer
4. Hygrometer

A

Q.90: The unit used to measure ‘Pressure’ is?

1. pascal
2. newton
3. watt
4. tesla

A

Q.91: There are ---------- methods of heat transfer?

1. 3
2. 4
3. 5
4. 6

A

Q.92: Which from the following is NOT a method of heat transfer?

1. Conduction
2. Convection
3. Radiation
4. All are methods of heat transfer

D

Q.93: If we heat one end of metallic rod, the other end gets hot. The method of heat transfer is?

1. Conduction
2. Convection
3. Radiation
4. None of these

A

Q.94: A person seated in front of a fire receives heat by?

1. Conduction
2. Convection
3. Radiation
4. None of these

C

Q.95: The unit used to measure ‘magnetic flux’ is?

1. pascal
2. farad
3. weber
4. henry

C

Q.96: Battery was invented by?

1. Volta
2. Hero
3. Fermi
4. Maiman

A

Q.97: The most abundant element in the earth’s crust is oxygen. The second most abundant element in the earth’s crust is?

1. Hydrogen
2. Nitrogen
3. Brass
4. Silicon

D

Q.98: The nearest planet to the Sun is?

1. Mercury
2. Venus
3. Mars
4. Jupiter

A

Q.99: Bronze is an alloy of?

1. Iron, Carbon
2. Copper, Tin
3. Nickel, Zinc
4. Mercury, Lead

B

Q.100: Molecules with identical molecular formulae but with different structural formulae are called?

1. Isotopes
2. Isomers
3. Electrode
4. Compound

B