Inventions & Discoveries
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Q1.Dynamite was invented by whom?
Correct Answer: A
Alfred Nobel invented dynamite in 1867.
Q2.Gunpowder was first invented in which country?
Correct Answer: A
Gunpowder was invented in China during the Tang dynasty.
Q3.Paper was first invented in which country?
Correct Answer: A
Paper making was invented in China around the 2nd century CE.
Q4.Radioactivity was discovered by whom?
Correct Answer: A
Henri Becquerel discovered radioactivity in 1896.
Q5.The circulation of blood was discovered by whom?
Correct Answer: A
William Harvey described the circulation of blood in 1628.
Q6.The compass was first invented in which country?
Correct Answer: A
The magnetic compass was first developed in China.
Q7.The concept of zero as a number was developed primarily in which region?
Correct Answer: A
The mathematical concept of zero was developed in ancient India.
Q8.The electron was discovered by whom?
Correct Answer: A
J J Thomson discovered the electron in 1897.
Q9.The first cloned mammal was a sheep named what?
Correct Answer: A
Dolly the sheep, cloned in 1996, was the first cloned mammal from an adult cell.
Q10.The first computer programmer is generally regarded as whom?
Correct Answer: A
Ada Lovelace is regarded as the first computer programmer.
Q11.The first practical aeroplane was built by which brothers?
Correct Answer: A
Orville and Wilbur Wright made the first powered flight in 1903.
Q12.The first successful human heart transplant was performed by whom?
Correct Answer: A
Christiaan Barnard performed the first human heart transplant in 1967.
Q13.The first test-tube baby was born in which year?
Correct Answer: A
Louise Brown, the first IVF baby, was born in 1978.
Q14.The law of gravitation was discovered by whom?
Correct Answer: A
Isaac Newton formulated the law of universal gravitation.
Q15.The mercury thermometer was invented by whom?
Correct Answer: A
Daniel Gabriel Fahrenheit invented the mercury-in-glass thermometer in 1714.
Q16.The neutron was discovered by whom?
Correct Answer: A
James Chadwick discovered the neutron in 1932.
Q17.The nucleus of the atom was discovered by whom?
Correct Answer: A
Ernest Rutherford discovered the atomic nucleus in 1911.
Q18.The planet Uranus was discovered by whom?
Correct Answer: A
William Herschel discovered Uranus in 1781.
Q19.The steam engine was significantly improved by which inventor?
Correct Answer: A
James Watt greatly improved the efficiency of the steam engine.
Q20.The structure of DNA was determined by which scientists?
Correct Answer: A
James Watson and Francis Crick described the DNA double helix in 1953.