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Important Inventions & Discoveries Video Lecture | SSC CGL Tier 2 - Study Material, Online Tests, Previous Year
FAQs on Important Inventions & Discoveries Video Lecture - SSC CGL Tier 2 - Study Material, Online Tests, Previous Year
| 1. What are some important inventions and discoveries in history? |  |
Ans. Some important inventions and discoveries in history include the wheel, electricity, the printing press, the telephone, and penicillin.
| 2. Who invented the wheel? | |
Ans. The wheel's exact inventor is unknown as it was invented thousands of years ago. However, it is believed to have been invented by ancient Mesopotamians or Sumerians around 3500 BC.
| 3. How did the invention of electricity impact society? | |
Ans. The invention of electricity revolutionized society by providing a new source of power for homes, industries, and transportation. It led to the development of various electrical appliances, lighting systems, and the ability to transmit information quickly over long distances.
| 4. Who is credited with inventing the telephone? | |
Ans. Alexander Graham Bell is credited with inventing the telephone. He patented his invention in 1876 and it revolutionized communication by allowing people to talk to each other over long distances.
| 5. What is the significance of the discovery of penicillin? | |
Ans. The discovery of penicillin by Alexander Fleming in 1928 revolutionized medicine. Penicillin is the first antibiotic and it effectively treats bacterial infections. It has saved countless lives and paved the way for the development of other antibiotics.
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Feb 12, 2026 Last updated
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