scientist, discoveries & inventions MCQ section 1 Practice Questions Answers Test with Solutions & More Shortcuts

Answer: (a)

Answer: (b)

John Logy Baird demonstrated the first television on 26 January 1926, Alexander Fleming discovered penicillin in 1928, Telecast of talking pictures on television by BBC took place on 2 July 1967, Jonas E. Salk developed the first polio vaccine in 1952.

John Logie Baird was born on 14 August 1888 in Helensburgh on the west coast of Scotland, the son of a clergyman. In 1929, the German post office gave him the facilities to develop an experimental television service based on his mechanical system, the only one operable at the time.

Sound and vision were initially sent alternately and only began to be transmitted simultaneously from 1930.

Answer: (b)

Frederick Banting was a Canadian medical scientist, doctor and Nobel laureate noted as one of the main discoverers of insulin.

In 1923 Banting and John James Rickard Macleod received the Nobel Prize in Medicine, becoming the youngest recipient of the Nobel Prize in Physiology/Medicine to date.

Answer: (c)

Museology is the study of museums and museum curation. Because the framework of museums lies in material objects as primary sources, it is indirectly concerned with the preservation of historical articles.

Answer: (c)