Discoveries & Invention MCQs - Everyday Science Practice | PakExamPoint
Practise Discoveries & Invention MCQs in Everyday Science. Attempt multiple-choice questions, check answers and revise related subtopics.
Discoveries & Invention MCQs and revision practice
Study Discoveries & Invention through multiple-choice questions in Everyday Science. This subtopic contains 310 practice questions. Read the wording carefully, compare the options and attempt an answer before checking the solution in learning mode.
Use these Discoveries & Invention MCQs to identify the facts, rules or methods you need to revise. Where an explanation is available, work through it and write down why your chosen option was correct or incorrect. Revisit difficult questions after reviewing your notes, then use exam mode for timed practice.
Explanation the sulfuric acid discovered by Jabir bin hayyan *** Jabir bin hayyan called the Father of Arab Chemistry He was born in the city of T us in the province of Khorasan in Iran in 721 AD. Jabir bin hayyan one of the founders of modern pharmacy *** how Jabir Ibn Hayyan discovers sulfuric acid.? Jabir got to discover the acids mentioned above through the distillation of several salts together with sulfuric acid.
Explanation Albert Bruce Sabin was a Polish American medical researcher. Known for developing the oral polio vaccine which has played a key role in nearly eradicating the disease.
Explanation The Little Boy type of bomb, which was dropped on the Japanese city of Hiroshima on 6 August 1945 during World War II. The Fat Man, was dropped on Nagasaki, Japan, August 9, 1945, at 11:01 AM. Hiroshima deaths: around 40000 Nagasaki deaths: around 80000
Explanation Penicillin was discovered by Alexander Flaming In 1928 Penicillin was the f irst true antibiotic The first patient Albert Alexander, a 43-year-old policeman , was treated with penicillin on 12 February 1941 Alexander Flaming determined that penicillin had an antibacterial effect and published his findings in 1929
Explanation Radioactivity was discovered by Henri Becquerel in 1896. Antoine Henri Becquerel was a French engineer, physicist , Nobel laureate, and the first person to discover radioactivity. ND18-9-2023
Explanation Galileo di Vincenzo Bonaiuti de' Galilei was an Italian astronomer, physicist and engineer, sometimes described as a polymath . Galileo was th e first to point out the obvious: a ll motion is relative. Galileo Galilei is famous for: he was the first to report telescopic observations of the mountains on the moon, the moons of Jupiter, t he phases of Venus, and the rings of Saturn He invented an early microscope and a predecessor to the thermometer . ND11-07-2023
جان لوگی بیرڈ ______ کی ایجاد کے لیے جانا جاتا ہے؟
A. Radio
B. Laptop
C. Mobile Phone
D. Television
Check answer and explanation
Answer: Television
Explanation John Logie Baird , a Scottish inventor, is best known for inventing the world's first working television system in the 1920s . He revolutionizing communication and entertainment.
Explanation Guglielmo Marconi was an Italian inventor and electrical engineer who is credited with the invention of the radio . His work on long-distance radio transmission and the development of Marconi's law revolutionized wireless communication in the early 20th century.
Explanation Ernest Rutherford showed ( 1919 ) that nitrogen under alpha-particle bombardment ejects what appear to be hydrogen nuclei. By 1920 Ernest Rutherford had accepted the hydrogen nucleus as an elementary particle, naming it proton. while Electron was discovered by J. J. Thomson in 1897 . Neutron Discovered by James Chadwick
Found a mistake? Use “Report correction” in the practice tool or contact us with the question and a supporting source.