Question 1

Who invented the first solar cell in 1954?

Accepted Answer

Bell Labs

Question 2

Which metal can kill bacteria by touch?

Accepted Answer

Copper

Question 3

What science studies the relationship between electricity and chemical reactions?

Accepted Answer

Electrochemistry

Question 4

Who invented the first blood bank in 1937?

Accepted Answer

Charles Drew

Question 5

What rare blood disorder turns urine purple?

Accepted Answer

Porphyria

Question 6

Which plant can 'scream' when stressed (via ultrasonic vibrations)?

Accepted Answer

Tobacco

Question 7

Which element named after Latin word for "Earth" ?

Accepted Answer

Tellurium

Question 8

What occurs when excess CO₂ lowers ocean pH, harming shells and corals?

Accepted Answer

Ocean acidification

Question 9

What causes superconductors to levitate?

Accepted Answer

Meissner effect

Question 10

Who accidentally invented the microwave after a chocolate bar melted in his pocket?

Accepted Answer

Percy Spencer

Ancient Scientists science Questions - Triviaah