Inventions MCQs

✅ The correct answer is option C.
The scanner reads the bar code label on something at a supermarket, and translates it into a number which the computer reads.

✅ The correct answer is option C.

✅ The correct answer is option D.

✅ The correct answer is option C.
The board was invented by Isaac and William Fuld. The word ‘Ouija’ comes from the French and German words for ‘yes’, ‘oui’ and ‘ja’.

✅ The correct answer is option B.
Leo Hendrik Baekeland invented the first plastic called Bakelite.

✅ The correct answer is option D.
Mauchly and Eckert invented the ENIAC computer. Farnsworth was a pioneer of early television.

✅ The correct answer is option C.
King Louis XIV was very short and didn’t like looking up at people he spoke to, so he had a tall pair of shoes made for him.

✅ The correct answer is option D.
The first blue jeans were invented by tailor Levi Strauss, who invented tougher working pants for the miners of the California Gold Rush.

✅ The correct answer is option A.
On December 23, 1947, William Shockley, Walter Brattain and John Bardeen, of Bell Labs, announced their discovery of the point-contact germanium transistor to management.

✅ The correct answer is option A.
Genetic Engineering, the technique of DNA cloning was perfected by Stanley Cohen and Herbert Boyer in 1973.