| Questions | Answers | % Correct |
|---|---|---|
| Under ordinary conditions, at what temperature does water boil ? | 100 °C | 100%
|
| Which fraction is the smallest : 1/2, 2/3, or 3/4 ? | 1/2 Explanation : 1/2 = 0.5 ; 2/3 = 0.66 ; 3/4 = 0.75. | 100%
|
| How long can the flu virus survive on a banknote : 2, 8, or 17 days ? | 17 days | 100%
|
| How many cubic centimetres are there in 1 mL? | 1 Explanation : 1 cm3 = 1 mL. | 100%
|
| How many X chromosomes do most female mammals have ? | 2 | 100%
|
| Which of these measures is the largest : 2,500 mm, 250 cm, or 25 m ? | 25 m Explanation : 2,500 mm = 2.5 m ; 250 cm = 2.5 m. | 100%
|
| At what age do humans start shrinking: 30, 45, or 60 years ? | 30 years | 100%
|
| How many chambers does the human heart have ? | 4 Explanation : Two atria and two ventricles. | 100%
|
| How many months are in seven years ? | 84 Explanation : 12 x 7 = 84. | 100%
|
| According to the International Astronomical Union, how many constellations are there in the sky : 68, 88, or 108 ? | 88 | 100%
|
| What do you call a being that is part human, part robot ? | A cyborg | 100%
|
| What do you call a polygon with six sides ? | A hexagon | 100%
|
| What is a group of owls called : a chamber, a parliament, or a senate ? | A parliament | 100%
|
| Which of these foods is not a good protein source : beef, eggs, or apples ? | Apples Explanation : Apples are mostly carbs (sugars). | 100%
|
| In geology, what can be metamorphic or sedimentary ? | A rock | 100%
|
| Which word starting with "B" refers to a powerful snowstorm combined with extreme cold and strong winds ? | Blizzard | 100%
|
| On the Microsoft logo, what is the colour of the square opposite the green one? | Blue | 100%
|
| Which marine animal’s sting can be fatal and requires immediate vinegar application ? | Box jellyfish | 100%
|
| Which chemical element forms diamonds almost entirely in pure form ? | Carbon | 100%
|
| Which word starting with "C" refers to a substance capable of triggering or accelerating a chemical reaction without being consumed in the reaction? | Catalyst | 100%
|
| Which was invented first : cinema, the tuberculosis vaccine (BCG), or sonar ? | Cinema Explanation : Invented in 1895 by the Lumière brothers. (Sonar : 1915 ; BCG vaccine : 1921). | 100%
|
| Cirrus and stratus are types of ______ ? | Clouds | 100%
|
| Which large graceful long-necked bird is also a symbol of peace in Japan ? | Crane | 100%
|
| What is the unit used to measure sound level ? | Decibel | 100%
|
| What does the acronym " DNA " stand for ? | DeoxyriboNucleic Acid | 100%
|
| Which prehistoric creature’s name means “terrible lizard” in Greek ? | Dinosaur | 100%
|
| The number of spots on a ladybird’s back corresponds to its age : true or false ? | FALSE Explanation : Contrary to popular belief, the number of spots does not determine the insect’s age. Patterns mainly help distinguish species. | 100%
|
| Which of these planets is the smallest: Mars, Mercury, or Earth ? | Mercury Explanation : Smallest and least massive planet in the Solar System. | 100%
|
| Which of these is not a fossil fuel : coal, natural gas, or nuclear ? | Nuclear Explanation : Nuclear uses fissile energy. | 100%
|
| Which large Asian fruit, shaped like an egg, is known for its spiky shell, distinctive taste, and strong smell ? | Durian Explanation : Its smell is so strong that many countries ban it from public transport. | 100%
|
| What powers Renault ZOE and Nissan LEAF cars : biodiesel, hydrogen, or electric battery ? | Electric battery | 100%
|
| AAA battery is bigger than AA : true or false ? | FALSE | 100%
|
| A "right angle" is an angle with a value equal to 180° : true or false ? | FALSE Explanation : A "right angle" is an angle with a value equal to 90°. A 180° angle is called a "straight angle". | 100%
|
| Dividing by zero is possible : true or false ? | FALSE Explanation : Division by zero is impossible and leads to contradictions. | 100%
|
| A light-year is a unit of time : true or false ? | FALSE Explanation : It is a unit of length. | 100%
|
| The liver is the largest organ in the human body : true or false ? | FALSE Explanation : It is the skin. | 100%
|
| All bees die when they sting: true or false ? | FALSE Explanation : Only worker bees die. | 100%
|
| Australopithecus belongs to the genus "Homo" : true or false ? | FALSE Explanation : It belongs to the genus "Australopithecus" and is considered a prehistoric cousin of humans. | 100%
|
| Grass snakes are venomous in France : true or false ? | FALSE Explanation : Grass snakes are harmless, only some vipers in France are venomous. | 100%
|
| Oil is a type of protein : true or false ? | FALSE Explanation : Oil is a lipid. | 100%
|
| People have more eyelashes on their lower eyelid than on their upper eyelid : true or false ? | FALSE Explanation : There are about 150 eyelashes on the upper eyelid and only 60-80 on the lower. | 100%
|
| Seals can be recognised by their clearly visible ears : true or false ? | FALSE Explanation : Seals have no external ears. Sea lions do. | 100%
|
| Tides are caused by the tilt of the Earth on its axis : true or false ? | FALSE Explanation : Tides are caused by the gravitational pull of the Moon and Sun. | 100%
|
| Archaeopteryx was the first fossil found with what : horns, feathers, or claws ? | Feathers Explanation : First fossil discovered with feathers, considered the oldest bird fossil. | 100%
|
| Which astronomer developed the telescope ? | Galileo Explanation : In 1609, Galileo constructed his own telescope. | 100%
|
| What does the "G" in " GPS " stand for ? | Global Explanation : Global Positioning System. | 100%
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| Which ancient Greek doctor is considered the father of medicine ? | Hippocrates | 100%
|
| Which two chemical elements combine to form water ? | Hydrogen and oxygen Explanation : Water’s chemical formula is H2O. | 100%
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| Which chemical element is the most abundant in the Universe ? | Hydrogen Explanation : Far more abundant than helium. | 100%
|
| In geometry, what is the side opposite the right angle of a right triangle called ? | Hypotenuse | 100%
|
| Mars’ surface is red due to oxidation of which element ? | Iron | 100%
|
| Which programming language is named after an Indonesian island and a type of coffee ? | Java | 100%
|
| Which is the largest planet in the Solar System ? | Jupiter Explanation : Here are the planets listed in order of increasing size : Mercury / Mars / Venus / Earth / Neptune / Uranus / Saturn / Jupiter. | 100%
|
| Which is the lightest of the terrestrial metals ? | Lithium | 100%
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| What was the name of the prehistoric female skeleton discovered in Ethiopia in 1974 ? | Lucy | 100%
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| Name a disease transmitted by mosquitoes. | Malaria / Dengue / Chikungunya / Zika | 100%
|
| Which planet is closest to the Sun ? | Mercury Explanation : In order : Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune. | 100%
|
| Which is the only metal that remains liquid at room temperature ? | Mercury Explanation : Other metals are solid at room temperature. | 100%
|
| Which of these is an operating system : Google, Microsoft Windows, or Microsoft Word ? | Microsoft Windows Explanation : Google is a search engine and Microsoft Word is a word processing program. | 100%
|
| Does water take up more or less space when it freezes ? | More Explanation : Water expands about 9% when frozen. | 100%
|
| In the International Morse Code, which letter is written as " – – – " ? | O Explanation : S is " • • • ". | 100%
|
| What was the name of the supercontinent, formed over 200 million years ago, that brought together almost all the landmasses ? | Pangaea | 100%
|
| Which astrological sign corresponds to people born between 19 February and 20 March ? | Pisces | 100%
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| Which animal family includes crocodiles, lizards, and turtles ? | Reptiles | 100%
|
| What is the surname of the quantum physicist Erwin, famous for a thought experiment with a cat in a box ? | Schrödinger Explanation : Schrödinger's famous cat experiment.. | 100%
|
| Which disease was the first vaccine ever invented for ? | Smallpox Explanation : Edward Jenner, an English country doctor, created the first effective vaccine in 1796. | 100%
|
| What is the source of photovoltaic energy : solar radiation, wave motion, or wind ? | Solar radiation | 100%
|
| Where does pollen come from : stamens or pistil ? | Stamens Explanation : Pollen comes from the stamens of flowering plants. | 100%
|
| In which galaxy is the Earth located ? | The Milky Way | 100%
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| Which of these objects is not an input device : keyboard, printer, or mouse ? | The printer Explanation : This is an output device. | 100%
|
| Which of these elements has no connection to volcanoes : caldera, lava, or the sartorius ? | The sartorius Explanation : The sartorius, located in the leg, is the longest muscle in the human body. | 100%
|
| Elephants are the largest land animals : true or false ? | TRUE | 100%
|
| All mosquitoes that bite are female : true or false ? | TRUE Explanation : Male mosquitoes feed on nectar. | 100%
|
| In evolution history, sharks are older than trees : true or false ? | TRUE Explanation : Sharks have existed for about 450 million years, roughly 70 million years before trees. | 100%
|
| Solar energy is renewable: true or false ? | TRUE Explanation : The Sun will last for billions more years. | 100%
|
| Ants belong to the same order as wasps and bees : true or false ? | TRUE Explanation : This order is called "Hymenoptera". | 100%
|
| Hermit crabs choose and carry a shell to protect themselves from predators : true or false ? | TRUE Explanation : Hermit crabs change shells regularly as they grow. | 100%
|
| Sound travels faster in water than in air : true or false ? | TRUE Explanation : Sound travels up to four times faster in water (≈ 340 m/s in air, compared to 1,500 m/s in water). | 100%
|
| Which of these dinosaurs is the most recent : Giganotosaurus, Stegosaurus, or Tyrannosaurus ? | Tyrannosaurus Explanation : The tyrannosaurus lived about 67 million years ago, Giganotosaurus 99 million years ago, and Stegosaurus 155 million years ago. | 100%
|
| What planet is named after the Roman goddess of love and beauty ? | Venus | 100%
|
| Which of these planets is not a gas giant: Jupiter, Saturn, or Venus ? | Venus Explanation : Unlike Jupiter and Saturn (gas giants), Venus is a terrestrial planet. | 100%
|
| Which of these blood cells transport oxygen in the body : platelets, red blood cells, or white blood cells ? | Red blood cells Explanation : Platelets clot blood and white blood cells fight diseases. | 75%
|
| What percentage of Earth’s surface is covered by water : about 59 %, 67 %, or 71 % ? | 71 % Explanation : Hence called the “Blue Planet”. | 67%
|
| Who discovered penicillin ? | Alexander Fleming Explanation : In 1928. | 67%
|
| What is an abacus used for ? | Counting / Calculating Explanation : Can be used for basic arithmetic and more complex operations like square roots. | 67%
|
| Why did Dolly the sheep make headlines in 1997 : she was striped, she could count, or she was a clone ? | She was a clone Explanation : Its creation marked progress in cloning technology. | 67%
|
| How is MDLXVII written in Arabic numerals ? | 1567 Explanation : M = 1,000 ; D = 500 ; L = 50 ; X = 10 ; V = 5 ; I = 1. | 50%
|
| What is the average speed of the International Space Station : 270, 2,640, or 27,600 km/h ? | 27,600 km/h Explanation : 27,600 km/h, or 17,150 mph. | 50%
|
| When you add the points of opposite faces on a die, what number do you always get ? | 7 | 50%
|
| Which tech company is based in Cupertino, California : Apple, Google, or Microsoft ? | Apple | 50%
|
| What is an alloy of copper and zinc called ? | Brass Explanation : Bronze is an alloy of copper and tin. | 50%
|
| What is the focus of research at the SETI institute ? | Extraterrestrial life Explanation : SETI in English stands for "Search for ExtraTerrestrial Intelligence". | 50%
|
| Babies blink more often than adults : true or false ? | FALSE Explanation : Babies blink about 2 times per minute, adults 10-15 times. | 50%
|
| Which woman was the first to receive a Nobel Prize in 1903 ? | Marie Curie Explanation : She received the Nobel Prize in Physics (1903) and in Chemistry (1911). | 50%
|
| What is the name of the transformation cycle that allows a larva to become a chrysalis and then a butterfly ? | Metamorphosis | 50%
|
| Which group of animals does the hyena belong to : canids, felids, or neither ? | Neither Explanation : Hyenas form their own family, Hyaenidae. | 50%
|
| What were the first chewing gums made from : wax, plastic, or sap? | Sap Explanation : A mixture of latex, resin, and syrup. | 50%
|
| What is the male reproductive organ in flowering plants ? | Stamen | 50%
|
| What is the cord called that connects the mother’s placenta to her baby before birth ? | The umbilical cord Explanation : The navel is the scar left after the cord falls off. | 50%
|
| What is the hardest substance in the human body ? | Tooth Enamel Explanation : It covers the teeth. | 50%
|
| Name at least one of the two founders of the Google search engine. | Larry Page / Sergey Brin | 33%
|
| Of the twelve men who have walked on the Moon, how many were citizens of the United States ? | 12 Explanation : They were all United States citizens. | 0%
|
| What is the sum of the angles of a triangle ? | 180° | 0%
|
| How many bones does an average adult human skeleton have ? | 206 | 0%
|
| How many eyelids does a cat have per eye ? | 3 | 0%
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| 100 degrees Fahrenheit equals : 16.9, 28.2, or 37.8°C ? | 37.8 Explanation : (100 - 32) / 1,8 = 37.8. | 0%
|
| How many leaves does an Irish clover (or shamrock) have ? | 3 Explanation : Not to be confused with the common four-leaf clover. | 0%
|
| How many sides does a rhombus have ? | 4 | 0%
|
| Paul drives for 15 minutes at 100 km/h, then 20 minutes at 60 km/h : how far has he travelled ? | 45 km Explanation : d = t × v. Thus : (15 ÷ 60) × 100 + (20 ÷ 60) × 60 ≃ 45. Minutes are divided by 60 to convert them into hours. | 0%
|
| Approximately how many centimetres does the Moon move away from the Earth each year ? | 4 cm | 0%
|
| In France, how many times a year can a woman donate blood ? | 4 Explanation : Women can donate four times per year, men six times. | 0%
|
| What percentage of human bones are in hands and feet : about 10 %, 25 % or 50 % ? | 50 % | 0%
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| What is the maximum number of teeth a human can have in their lifetime ? | 52 Explanation : 20 baby teeth, then 32 permanent teeth. | 0%
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| What percentage of an egg's calories is in the yolk : 25 %, 55 %, or 80 % ? | 80 % | 0%
|
| Which of these numbers is not prime : 5, 7, or 9 ? | 9 Explanation : A prime number can only be divided by 1 and itself. 9 is divisible by 3, so it is not a prime number. | 0%
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| Name one of the four nitrogenous bases of DNA. | Adenine / Thymine / Cytosine / Guanine | 0%
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| What is a baby deer called ? | A fawn | 0%
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| Which elephant species has the largest ears : African or Asian ? | African elephants | 0%
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| A group of atoms bonded together is called a… ? | A molecule | 0%
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| Which instrument measures wind speed ? | An anemometer | 0%
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| Which is not a star : Andromeda, Betelgeuse, or Vega ? | Andromeda Explanation : Andromeda is a constellation (or group of stars). | 0%
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| Which animal produces formic acid to spray predators ? | Ant | 0%
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| Which brand had as its very first logo an apple under which Isaac Newton was sleeping ? | Apple | 0%
|
| What does a barometer measure ? | Atmospheric pressure | 0%
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| Which chemical element is in graphene, the honeycomb-patterned sheet of atoms ? | Carbon Explanation : Graphene is the thinnest material ever made. | 0%
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| What is the common name for sturgeon eggs ? | Caviar | 0%
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| Which British scientist first proposed the idea of "natural selection" to explain species evolution ? | Charles Darwin | 0%
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| Which pigment colours tree leaves ? | Chlorophyll | 0%
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| How much does 1 litre of water weigh in grams ? | 1,000 g Explanation : 1 litre of water = 1 kg = 1,000 g. | 0%
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| Lionel buys a watch for €200. If it was on sale at 20 % off, what was its original price ? | €250 Explanation : Let "x" be the original price. Solve 200 = x * [1 - (20 ÷ 100)], i.e., 200 = x * 0.8, so x = 200 ÷ 0.8 = 250. | 0%
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| An octagon has more sides than a heptagon : true or false ? | TRUE Explanation : An octagon has 8 sides (versus 7 for a heptagon). | 0%
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| What type of energy is transmitted by high-voltage pylons ? | Electricity / Electrical energy | 0%
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| In Einstein’s formula " E = mc² ", what does the "E" represent ? | Energy Explanation : Energy (E) equals mass (m) times the speed of light (c) squared. | 0%
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| A kilometre is longer than a mile : true or false ? | FALSE Explanation : 1 kilometre is approximately 0.6214 mile. | 0%
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| The tibia is the longest human bone : true or false ? | FALSE Explanation : Femur is longest. | 0%
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| When lightning strikes, we hear thunder before seeing lightning : true or false ? | FALSE Explanation : Light travels faster than sound. | 0%
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| Short-sighted people have poor hearing : true or false ? | FALSE Explanation : You see poorly / blurry from a distance. | 0%
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| The tibia is a bone in the arm : true or false ? | FALSE Explanation : The tibia is a leg bone. | 0%
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| A "calorie" is the amount of heat needed to raise the temperature of 1 litre of water by 1 °C : true or false ? | FALSE Explanation : A calorie is the amount needed to raise the temperature of 1 g of water. | 0%
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| James Watt invented the steam engine : true or false ? | FALSE Explanation : He "only" improved previous inventions. | 0%
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| Which of these flowers does not grow from a bulb : lily, forget-me-not, or tulip ? | Forget-me-not Explanation : It grows naturally in woodland. | 0%
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| Greek mathematician Euclid is considered the father of which branch of mathematics ? | Geometry Explanation : Often called "Euclidean geometry". | 0%
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| What do you get by mixing and heating sand, soda, and lime ? | Glass | 0%
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| What is the largest mammal to build a nest ? | Gorilla Explanation : Rebuilds leaf beds every night. | 0%
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| What gas makes up most of the Sun ? | Hydrogen | 0%
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| In which organ are the three smallest bones of the human body found ? | In the ear Explanation : The hammer, anvil, and stirrup are in the ear. | 0%
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| The moons Callisto, Europa, Io, and Ganymede orbit which planet in the Solar System ? | Jupiter | 0%
|
| Which exotic fruit’s name means “golden orange” in Chinese ? | Kumquat | 0%
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| What was the name of the first dog to go into space ? | Laika Explanation : In 1957, the Soviet Union sent the dog Laika into Space (aboard the artificial satellite Sputnik 2), making her the first living being to orbit Earth. | 0%
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| Which aromatic herb is used for its citrus scent and its ability to repel mosquitoes ? | Lemongrass | 0%
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| Which of these animals is not native to Australia : lemur, opossum, or wombat ? | Lemur Explanation : Endemic to Madagascar. | 0%
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| Which company makes computers called "ThinkPad" or "IdeaPad" ? | Lenovo | 0%
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| What does an astraphobe fear ? | Lightning and thunder | 0%
|
| What does " MRI " stand for ? | Magnetic Resonance Imaging | 0%
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| Which pigment gives human skin and eyes their colour ? | Melanin | 0%
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| Which greenhouse gas do cows emit : helium, methane, or oxygen ? | Methane Explanation : Emitted when burping or farting ! | 0%
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| Which of these companies is the oldest : Facebook, Google, or Microsoft ? | Microsoft Explanation : Microsoft was founded in 1975, Google in 1998, and Facebook in 2004. | 0%
|
| People with spectrophobia fear : ghosts, mirrors, or death ? | Mirrors Explanation : The fear of ghosts is called "phasmophobia", and the fear of death is called "thanatophobia". | 0%
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| What is the main component of air ? | Nitrogen Explanation : Air is about 78 % nitrogen, 21 % oxygen, and 1 % other gases. | 0%
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| To lightly sedate a patient, which is used : nitrogen peroxide, nitrous oxide, or hydrogen peroxide ? | Nitrous oxide | 0%
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| What is the unit of electrical resistance ? | Ohm | 0%
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| Which scientific discipline studies fossils ? | Palaeontology | 0%
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| What is a young wild boar called ? | Piglet / Shoat / Marcassin | 0%
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| What is measured in watts : energy, frequency, or power ? | Power Explanation : Energy is measured in joules, frequency in hertz. | 0%
|
| Under what acronym is the system that emits a beam of electromagnetic waves and receives the echo for location purposes known ? | RADAR Explanation : This term stands for "RAdio Detecting And Ranging". | 0%
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| Which of these fruits is not an apple : Gala, Granny Smith, or Reine Claude ? | Reine Claude Explanation : This is a type of plum. | 0%
|
| After elephants, which animals are the heaviest on Earth ? | Rhinoceroses Explanation : A white rhinoceros can weigh at least 3,850 kg. | 0%
|
| Which fungus is used to make bread dough rise ? | Saccharomyces cerevisiae Explanation : Also called "baker’s yeast". | 0%
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| What was the last planet visited by the Cassini probe ? | Saturn Explanation : After 13 years studying Saturn and its moons, Cassini ended mission in September 2017. | 0%
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| Which planet has a moon named Enceladus, identified in 2017 by NASA as potentially capable of harbouring life ? | Saturn Explanation : An ocean exists under the moon’s surface and could contain microbes. | 0%
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| What is the white part of the eye called ? | Sclera | 0%
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| Which programming language allows the creation of games, stories, and animations : Itch, Scratch, or Sneeze ? | Scratch | 0%
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| What is the largest predatory fish in the world ? | Shark Explanation : Specifically, the great white shark. | 0%
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| In the periodic table of elements, what is the element with the chemical symbol "Ag" called ? | Silver | 0%
|
| Which star is the brightest in the night sky : Canopus, Sirius, or Vega ? | Sirius Explanation : Also called "Alpha Canis Majoris", it is the main star of the constellation Canis Major. | 0%
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| What energy do plants use to synthesise organic matter ? | Solar energy / Light energy Explanation : This is photosynthesis. | 0%
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| What adjective starting with "S" describes substances that dissolve in water ? | Soluble | 0%
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| What is the process called when a substance passes directly from solid (s) to gas (g) ? | Sublimation Explanation : (g) -> (s) = deposition ; (g) -> (l) = condensation ; (l) -> (g) = vaporisation ; (l) -> (s) = solidification ; (s) -> (l) = fusion. | 0%
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| What attaches muscles to bones : joints, cartilage, or tendons ? | Tendons | 0%
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| In which ocean do most hurricanes form ? | The Atlantic Ocean | 0%
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| What object did Robert Yeates invent in 1855, whose function until then required a hammer or chisel ? | The can opener | 0%
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| Which of these rodents is the largest in the world : the capybara, the agouti, or the nutria ? | The capybara Explanation : Capybaras can weigh over 45 kg. | 0%
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| The Maine Coon, Scottish Fold, and American Curl are different breeds of which animal ? | The cat | 0%
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| Which pair of organs produces urine ? | The kidneys | 0%
|
| In surfing terminology, what is the cord called that attaches the surfer to their board ? | The leash | 0%
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| Which layer of the Earth is located between the outer core and the crust ? | The mantle Explanation : It makes up 84 % of the Earth’s volume and is 2,900 kilometers thick. | 0%
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| In a fraction, what is the number above the line called ? | The numerator Explanation : The number below is called the "denominator". | 0%
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| Which of these is not an insect : the wasp, the earwig, or the scorpion ? | The scorpion Explanation : The scorpion belongs to the same family as spiders, the arachnids. | 0%
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| What is the only active volcano in continental Europe ? | The Vesuvius Explanation : Near Naples (Italy), destroyed Pompeii in 79 CE. | 0%
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| Which French astronaut made his first spaceflight on 13 January 2017 ? | Thomas Pesquet | 0%
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| Who invented the barometer : Edison, Pascal, or Torricelli ? | Torricelli Explanation : Torricelli invented the barometer in the mid-17th century. | 0%
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| Sedimentary rocks are the only ones that sometimes contain fossils : true or false ? | TRUE | 0%
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| Potatoes have already been grown in space : true or false ? | TRUE Explanation : On board the Space Shuttle Columbia in 1995. | 0%
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| Most caterpillars have 12 eyes : true or false ? | TRUE Explanation : Six pairs of tiny eyes. | 0%
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| Beekeepers use smoke to calm bees during honey harvesting : true or false ? | TRUE Explanation : Smoking is a method used to calm bees to facilitate honey harvesting when it is ready. | 0%
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| In seahorses, it is the male that carries the eggs : true or false ? | TRUE Explanation : The female lays her eggs in the male’s pouch, which "gives birth" to the young four weeks later. | 0%
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| There are no penguins in the Arctic : true or false ? | TRUE Explanation : All penguin species live in the Southern Hemisphere. | 0%
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| Which metal has the highest melting point of all terrestrial metals ? | Tungsten Explanation : Melting point 3,422°C, highest of all metals. | 0%
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| In computing, what does the acronym " USB " stand for ? | Universal Serial Bus | 0%
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| Which vitamin does our body produce, provided it gets enough sunlight ? | Vitamin D | 0%
|
| What does the "V" in the acronym "VoIP" stand for ? | Voice Explanation : Voice Over Internet Protocol. | 0%
|
| What did NASA’s LCROSS probe discover on the Moon in 2009 ? | Water | 0%
|
| What colour are coffee plant flowers ? | White Explanation : After flowering, they become coffee cherries containing coffee beans. | 0%
|
| Which rainbow colour lies between orange and green ? | Yellow Explanation : The colours of the rainbow are : Violet · Indigo · Blue · Green · Yellow · Orange · Red. | 0%
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