Free Everyday Science MCQs Mock Test Online with Answers

Q1 : The approximate intensity level of the sound which can cause damage to the ear drum is?

A: 20 dB B: 60 dB C: 100 dB D: 160 dB

Q2 : The salinity of sea water is determined by the amount of common salt (Sodium Chloride) in __________ of sea water.

A: 1 gram B: 10 grams C: 1 kg D: 10 kg

Q3 : Atom is made up of____________different kinds of subatomic particles:

A: Three B: Two C: Four D: None

Q4 : The sun has a __________ year solar cycle during which its activity increases and decreases.

A: 10 B: 11 C: 12 D: 13

Q5 : According to Big Bang Theory, the Universe began about __________ billion years ago.

A: 10 – 20 B: 20 – 30 C: 30 – 40 D: 40 – 50

Q6 : UV light falls in the category of___________?

A: Ionizing Radiations B: Non Ionizing Radiation C: Visible light D: None

Q7 : Which of the following have maximum calorific value?

A: Carbohydrates B: Fats C: Proteins D: Vitamins

Q8 : The sun appears red at sunrise and sunset while it appears white at noon, because

A: Of refraction B: It is cooler at sunrise and at sunset C: Of diffraction leading to red end of the spectrum reaching the earth. D: Of Scattering of light due to dust particles and air molecules.

Q9 : Fuse wire is made of_____________?

A: 63% tin and 37% lead B: 63% lead and 37% tin C: 63% tin and 37% aluminum D: 63% lead and 37% aluminum

Q10 : Person with following blood group are considered to be universal recipient ?

A: A+ B: B+ C: AB+ D: O+

Q11 : 1 nanometer = ?

A: 10-3 meter B: 10-6 meter C: 10-9 meter D: 10-12 meter

Q12 : How many bones are there in an adult human being?

A: 210 B: 260 C: 206 D: 300

Q13 : When white light is passed through a prism, it splits into __________ colours.

A: 5 B: 6 C: 7 D: 8

Q14 : Hepatitis is caused by: ____________?

A: Protozoans B: Algae C: Fungi D: Virus

Q15 : When a person enters a dark room from bright light he is not able to see clearly for a little while because the?

A: Eye is unable to adjust itself immediately B: Retina becomes insensitive momentarily C: Iris is unable to dilate the pupil immediately D: Distance between the lens and retina take time to adjust

Q16 : The instrument used to measure wind speed is?

A: Anemometer B: Barometer C: Hydrometer D: Hygrometer

Q17 : The Latin word of the name given to a human being Homo Sapiens, include the: __________?

A: Genus & Family B: Family & Order C: Genus & Class D: Genus & Species

Q18 : Year is longest on : _____________?

A: Mercury B: Venus C: Mars D: The Earth

Q19 : The sun is expected to exhaust its hydrogen fuel in about 5 billion years. What will be its effect?

A: The sun will then expand into a red giant and possibly swallow the outer planets B: The sun will then expand into a red giant and possibly swallow the inner as well as outer planets, including Earth C: The sun will then expand into a red giant and possibly swallow the inner planets, including Earth D: Sun will stay as it is

Q20 : Name the famous book of Ibn-Sina in which he discussed human physiology and medicine ?

A: Al-Qanun B: Al-Masudi C: New Renaissance D: Tadhkira

Q21 : The fruits without seed, like banana, are called_____________?

A: Seedless fruits B: Parthenogenesis fruits C: Parthenocarpic fruits D: placental fruits

Q22 : Natural Radioactivity was discovered by Becquerel in ____________?

A: 1766 B: 1896 C: 1935 D: 2001

Q23 : The shape of the external ear is due to____________?

A: Elastic cartilage B: Fibrocartilage C: Articular cartilage D: none

Q24 : The good sources of Vitamin-A are?

A: green leafy vegetables B: seeds C: fresh vegetables and fruits D: sea foods

Q25 : What is the chance of diabetic baby born to parents both heterogeneous normal ?

A: Zero B: ¼ C: ½ D: ¾

Q26 : The molecular mass of Water molecule is __________?

A: 16amu B: 17amu C: 18amu D: 20amu

Q27 : The theory of Expanding Universe was first propounded by____________?

A: Einstein B: Newton C: Gahleo D: Hubble

Q28 : The sky appears blue because the earth’s atmosphere __________?

A: Scatters blue light B: Reflects blue light C: Transmits blue light D: Has actual blue cover

Q29 : The moon’s surface temperature varies from about ________ to _________ ?

A: – 173 degrees Celsius at night to 127 degrees Celsius during the day B: – 172 degrees Celsius at night to 172 degrees Celsius during the day C: Remains constant during day and night D: – 170 degrees Celsius at night to 107 degrees Celsius during the day

Q30 : Leukemia is a disease of the___________?

A: Lungs B: Blood C: Skin D: Nerves

Q31 : The field of specialization of famous Muslim scientist Abu Usman Aljahiz was?

A: Botany B: Zoology C: Astronomy D: None

Q32 : Fuel used in a Fast Breeder Reactor is _____________?

A: Uranium Oxide B: Uranium Plutonium carbide C: Uranium Plutonium Oxide D: Uranium thorium Oxide

Q33 : For an object to escape from the surface of a celestial body, the kinetic energy of the object must be: __________?

A: Less than the gravitational potential energy of the body B: Equal to the gravitational potential energy of the body C: Greater than the gravitational potential energy of the body D: None of the above

Q34 : Clocks, which moves with the velocities comparable with the velocity of light, run ?

A: fast B: slow C: equal to the velocity of light D: with zero velocity

Q35 : Escape velocity depends on ________?

A: Mass of the object trying to escape B: Radius of the planet or celestial body C: Both mass and radius of the planet or celestial body D: The velocity of the rotating planet

Q36 : _________ is the atmospheric layer that absorbs most of the ultraviolet radiation that Earth receives from the Sun.

A: Troposphere B: Stratosphere C: Mesosphere D: Ionosphere

Q37 : Which of the following is most elastic ?

A: Steel B: Rubber C: Glass D: Sponge

Q38 : Asteroids are made mostly of?

A: Rock, metal, ice and dust B: Rock and metal C: Metal and gas D: Metal, gas and rock

Q39 : How many countries are signatories of NASA’s Artemis Accords as of May 2024?

A: 29 B: 30 C: 40 D: None of These

Q40 : The SI unit of “pressure” is _________.

A: pascal B: joule C: tesla D: henry

Q41 : Where do most of Asteroids lie?

A: In asteroid belt between the orbits of Mars and Jupiter B: In asteroid belt between the orbits of Mars and Venus C: In asteroid belt between the orbits of Jupiter and Venus D: None of these

Q42 : The average adult has a blood volume of about __________ liters.

A: 4 B: 5 C: 6 D: 7

Q43 : The good sources of Vitamin-B Complex are?

A: green leafy vegetables B: seeds C: fresh vegetables and fruits D: sea foods

Q44 : Titan, a moon of __________ , and Triton, a moon of _________ , have atmospheres mainly of _________.

A: Saturn, Jupiter, Hydrogen B: Uranus, Neptune, Nitrogen C: Saturn, Neptune, Nitrogen D: Mars, Venus, Hydrogen

Q45 : The two elements that are frequently used for making transistors are :

A: Boron and aluminium B: Silicon and Germanium C: Iridium and Tungston D: None of these

Q46 : What fear do people with haphephobia have?

A: fear of dogs B: fear of helicopters C: fear of touch D: fear of houses

Q47 : Radioactivity was discovered by __________?

A: Kelvin B: Thomson C: Rutherford D: Bacquerel

Q48 : In a fission nuclear reaction , a heavy nucleus breaks up into smaller nuclei whereas in another nuclear reaction two or more than two possibly nuclei are fused to form a heavy nucleus This nuclear reaction is called ?

A: Chemical Reaction B: Nuclear reaction C: Fission nuclear reaction D: Fusion nuclear reaction

Q49 : The maximum number of electrons can be filled in the first shell of an atom are _____.

A: 2 electrons B: 8 electrons C: 18 electrons D: 4 electrons

Q50 : The most abundant element in the universe is __________.

A: Oxygen B: Hydrogen C: Carbon Dioxide D: Silicon

Q51 : The deepest place on earth is ____________?

A: Trench B: Mariana Trench C: Mangrove D: Groove

Q52 : What is the escape velocity on Earth?

A: 7.9 km/s B: 9.8 km/s C: 11.2 km/s D: 12.4 km/s

Q53 : Sensitive layer of the eye is?

A: Choriods B: Sclerotic C: Retina D: Cornea

Q54 : Chemical name of vinegar is _____________?

A: Sodium Nitrate B: Dilute acetic acid C: Chloride of lime D: Calcium

Q55 : Apple is rich in: ______________?

A: Fluorine B: Calcium C: Iron D: Phosphorus

Q56 : Which planets are called ice giants?

A: Outer planets (Uranus and Neptune) B: Outer planets (Jupiter and Neptune) C: Outer planets (Jupiter and Saturn) D: Inner planets (Mercury and Earth)

Q57 : A chronometer meter measures __________ ?

A: Water waves B: Color contrast C: Time D: Sound waves

Q58 : The sun’s atmosphere is divided into following three parts:-

A: the photosphere, the leutosphere , and the corona B: the photosphere, the chromosphere, and the scislophere C: the photosphere, the chromosphere, and the corona D: None of the above

Q59 : According to Quark theory, there are _________ elementary particles.

A: Three B: Six C: Nine D: Ten

Q60 : The science which deals with study of manners and customs of people is ?

A: Ethnology B: Morphology C: Ethics D: Genetics

Q61 : The cracking sound heard when dry hair is combed with a hard rubber comb is due to_________?

A: The hair barging against the charged comb B: Small electric sparks C: The rubbing of the comb with the hair D: None of the above

Q62 : Einstein’s famous equation which states that mass and energy are interchangeable is?

A: E = mc2 B: E = cm2 C: M = ec2 D: M = ce2

Q63 : The device used to convert Alternate Current into Direct Current is called?

A: Anemometer B: Battery C: Galvanometer D: Rectifier

Q64 : The main function of the kidney is ____________?

A: To control blood pressure B: To control body temperature C: To remove waste product from the body D: To help in digestion of food

Q65 : The sun is _________times bigger than the Earth.

A: 105 B: 107 C: 109 D: 111

Q66 : Trachoma is a disease of the___________?

A: Liver B: Eyes C: Lungs D: Kidneys

Q67 : Freezing point of water is__________?

A: 0°C B: -2°C C: -4°C D: None of above

Q68 : Which of the following is most elastic ?

A: Steel B: Rubber C: Glass D: Sponge

Q69 : Solar wind is caused by the high temperature and pressure in the sun’s which atmosphere?

A: Photosphere B: Chromosphere C: Corona D: A and B

Q70 : The height of the troposphere varies between ____________.

A: 7 km at equator and 17 km at poles B: 17 km at equator and 7 km at poles C: 18 km at equator and 8 km at poles D: 8 km at equator and 18 km at poles

Q71 : Most asteroids orbit the sun in a region called the asteroid belt between?

A: Mars and Jupiter B: Jupiter and Saturn C: Mercury and Neptune D: Venus and Uranus

Q72 : Most major Tsunamis are produced by earthquakes with hypocenters less than:

A: 30 km B: 40 km C: 50 km D: None of these

Q73 : Which of the following elements is not present abundantly in earth’s crust ?

A: Silicon B: Radium C: Aluminum D: Carbon

Q74 : The famous book; Al – Qanun was written by the Muslim scientist ?

A: Jabar bin Hayyan B: Zakariya Al – Razi C: Abu Ali Sina D: Abdul Qasim Majreeti

Q75 : ‘Alba’ was a genetically modified ‘glowing’ ___ created as an artistic work by contemporary artist Eduardo Kac.

A: Sheep B: Dog C: Rabbit D: Mouse

Q76 : The largest part of the human brain is ___________?

A: Medulla oblongata B: Cerebellum C: Cerebrum D: None of these

Q77 : The nearest planet to the Earth is _________?

A: Venus B: Mercury C: Mars D: Moon

Q78 : Rainbow is seen after rain because of hanging molecules of water which act as __________?

A: Lens B: Prism C: Mirror D: Slabs

Q79 : Who discovered Uranus__________?

A: William Caxton B: John Davise C: Herschel D: Shellay

Q80 : Which part of the Camera is analogue to the retina in the human eye?

A: Lens B: Film C: Aperture D: Shutter

Q81 : which human made object to venture into interstellar space?

A: Apollo 1 B: Sputnik C: Apollo II D: Voyager 1

Q82 : The main constituent of Pearls are: ______________?

A: Calcium oxide &Ammonium Chloride B: Calcium Carbonate &Megnesium Carbonate C: Aragonite & Conchiolin D: None of these

Q83 : Chief builder of the body are ___________?

A: Carbohydrates B: Proteins C: Fats D: None of these

Q84 : In a very low temperature which from the following will freeze at last?

A: River water B: Canal water C: Sea water D: Water in a lake

Q85 : The position of earth in its orbit, when it is at its greatest distance from the sun causing northern summer is called ___________?

A: Aphelion B: Perihelion C: Perigee D: Apogee

Q86 : Which planet looks reddish in the night sky ?

A: Jupiter B: Saturn C: Mars D: MercurY

Q87 : Which of the following is a region of the solar system even farther out than the Kuiper belt?

A: The Gort cloud B: The Oort cloud C: The Fort cloud D: The Nort cloud

Q88 : At night, Plants intake __________ and release __________?

A: Oxygen – Carbon dioxide B: Carbon dioxide – Oxygen C: Oxygen – Carbon monoxide D: None of theseCarbon monoxide – Oxygen

Q89 : Atmospheric pressure is the force (per unit-area) perpendicular to a unit-area of planetary surface, as determined by _________.

A: Mass of vertical column of atmospheric gases B: Mass of horizontal column of atmospheric gases C: Weight of vertical column of atmospheric gases D: Mass of vertical and weight of horizontal of atmospheric gases

Q90 : In general, wind speed of 10 –13 kph caused_______?

A: minor or no damage B: considerable damage C: severe damage D: extreme damage

Q91 : Comets are made mostly of ice and dust. As comets get close to the sun, they start to “melt” and release what?

A: Steam and dust B: Gas and dust C: Steam, gas and dust D: None of the above

Q92 : Where is the location of intermediate neurons?

A: Kidney B: Brain C: Spleen D: Liver

Q93 : Dermatophagia is a ____ condition.

A: Physiological B: Psychological C: Dermatological D: Genital

Q94 : The primary function of the feathers in birds is to _________?

A: Provide insulation for preserving body heat B: Provide striking surface to the wings for flying C: Make the body surface waterproof D: impart coloration for species as well as sex recognition

Q95 : Most of the ozone in the atmosphere is concentrated in the _____________?

A: Mesosphere B: Troposphere C: Stratosphere D: ionosphere

Q96 : Humming bird belongs to a category called ?

A: Ectotherm B: Endotherm C: Exotherm D: Heterotherm.

Q97 : The alpha particles are compact clusters of______________?

A: Electron and Proton B: Two Protons and two Neutrons C: Three protons and three Neutrons D: None

Q98 : NASA’s ________ rover landed on Mars in February 2021.

A: Persistence B: Desistance C: Perseverance D: None of the above

Q99 : The blotting paper helps observe liquid by__________?

A: Surface Action B: Capillary Action C: Viscosity D: Boldness

Q100 : The ice giants are mostly made of ‘volatile’ substances such as?

A: Water, mercury and methane B: Water, ammonia and mercury C: Water, plasma and methane D: Water, ammonia and methane

Free Everyday Science MCQs Mock Test Online with Answers

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