An autosome is any chromosome that is not a sex chromosome?
True False
True: An autosome is any non-sex chromosome Humans have 22 pairs of autosomes plus one pair of sex chromosomes (X/Y).
Molybdenum is an anagram of 'noble dummy'?
True False
True: Molybdenum (Mo) is an anagram of 'noble dummy' Molybdenum is element 42; a hard silver-white metal used in steel alloys.
The femur is located in the thigh?
True False
True: The femur is the thigh bone It is the longest, strongest bone in the human body.
True or False — Red blood cells carry oxygen around our bodies?
True False
True: Red blood cells (erythrocytes) carry oxygen from the lungs to the body's tissues They contain haemoglobin, which binds to oxygen molecules.
Our ears and noses continue to grow throughout our lives?
True False
True: Ears and noses keep growing through adulthood Cartilage continues to grow slowly even after bone growth stops.
Albert Einstein said 'Science without religion is lame, religion without science is blind'?
True False
True: The quote is from Albert Einstein (1941) From his essay 'Science, Philosophy and Religion' delivered at a conference in New York.
Water freezes at 0 °C at standard atmospheric pressure?
True False
True: Pure water freezes at 0 °C at 1 atm Salt and impurities can lower the freezing point significantly.
The nucleus of an atom contains protons and neutrons?
True False
True: Protons and neutrons sit in the nucleus; electrons orbit it The nucleus holds over 99.9% of the atom's mass.
Sound travels faster through air than through water?
True False
False: Sound travels about four times faster through water than through air Roughly 343 m/s in air at 20 °C; about 1,480 m/s in water.
The Sun is mostly made of hydrogen and helium?
True False
True: The Sun is about 74% hydrogen and 24% helium Heavier elements make up the remaining 2%.
Lightning always strikes only once in the same place?
True False
False: Lightning can strike the same place many times Tall structures like the Empire State Building are hit dozens of times a year.
Humans share about 98% of their DNA with chimpanzees?
True False
True: Humans and chimpanzees share roughly 98-99% of their DNA The tiny 1-2% difference accounts for the significant physical and cognitive differences.
A light-year is a measure of distance, not time?
True False
True: A light-year is the distance light travels in one year About 9.46 trillion km — used to measure astronomical distances.
Sharks are a type of mammal?
True False
False: Sharks are fish, not mammals They are cartilaginous fish (Chondrichthyes) with skeletons made of cartilage, not bone.
Diamond is the hardest naturally occurring material?
True False
True: Diamond ranks 10 on the Mohs hardness scale Synthetic materials like wurtzite boron nitride may be harder, but diamond is the hardest natural one.
Humans have five senses: sight, hearing, touch, smell and taste?
True False
False: Humans have more than five senses Others include balance (vestibular), proprioception (body position), temperature, pain and more.
Uranus was the first planet discovered using a telescope?
True False
True: William Herschel discovered Uranus in 1781 using a telescope Before this, the five planets visible to the naked eye were the only ones known.
Sulphuric acid (H₂SO₄) is sometimes called 'oil of vitriol'?
True False
True: Historically sulphuric acid was called 'oil of vitriol' From medieval alchemy; vitriol referred to sulphate minerals from which the acid was distilled.
Electrons carry a negative electrical charge?
True False
True: Electrons have a negative charge; protons have a positive charge Neutrons (in the nucleus) are electrically neutral.
Venus is the closest planet to the Sun?
True False
False: Mercury is the closest planet to the Sun Order from the Sun: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune.
