1.
The Penicillin antibiotic was discorvered accidentally by Alexander Fleming in
Correct Answer
B. 1928
Explanation
Alexander Fleming discovered the Penicillin antibiotic accidentally in 1928. While working with bacteria in his laboratory, he noticed that a mold called Penicillium notatum had contaminated one of his petri dishes. He observed that the bacteria around the mold had been killed, indicating that the mold produced a substance with antibacterial properties. This accidental discovery eventually led to the development of Penicillin as a life-saving antibiotic.
2.
Sir Alexander Fleming received the Nobel Prize in Medicine for the discovery of Penicillin along with Ernst Boris Chain and
Correct Answer
D. Howard Florey
Explanation
Sir Alexander Fleming received the Nobel Prize in Medicine for the discovery of Penicillin along with Ernst Boris Chain and Howard Florey.
3.
The electric bulb was invented in 1879 by who?
Correct Answer
D. Thomas Edison
Explanation
Thomas Edison is the correct answer because he is widely credited with inventing the electric bulb in 1879. Edison's invention revolutionized the way we illuminate our homes and buildings, replacing gas lamps and candles with a safe and efficient source of light. His invention had a significant impact on society and paved the way for further advancements in lighting technology.
4.
Humphry Davy pioneered the making of electric light and experimented with electricity to invent the
Correct Answer
C. Electric battery
Explanation
Humphry Davy pioneered the making of electric light and experimented with electricity. In his experiments, he discovered that by connecting two different metals with a conducting solution, he could produce a continuous flow of electric current. This device, known as an electric battery, was a significant development in the field of electricity and laid the foundation for many future inventions and advancements, including the electric lamp.
5.
Alexander Graham Bell who lived between 1847 to 1922 invented the
Correct Answer
B. TelepHone
Explanation
Alexander Graham Bell is credited with inventing the telephone. He was a Scottish-born scientist and inventor who lived from 1847 to 1922. Bell's invention of the telephone revolutionized communication, allowing people to speak to each other over long distances. His invention had a significant impact on society, transforming the way people interact and communicate with each other.
6.
The talented scientist Philip Emeagwali is associated with
Correct Answer
B. Fastest computer
Explanation
Philip Emeagwali is a talented scientist known for his work in the field of computer science. He is associated with the development of the fastest computer. His contributions include the development of a supercomputer that was capable of performing complex calculations at an unprecedented speed. Emeagwali's work in the field of high-performance computing has significantly advanced the capabilities of computers and has paved the way for further advancements in technology.
7.
In 1895, Wilhelm Roentgen, while working on the effects of cathode rays discovered
Correct Answer
C. X-rays
Explanation
In 1895, Wilhelm Roentgen discovered X-rays while working on the effects of cathode rays. X-rays are a form of electromagnetic radiation that have shorter wavelengths than visible light. They can pass through most objects and are commonly used in medical imaging to visualize the internal structures of the body. X-rays have various applications in fields such as medicine, industry, and research.
8.
The practice of vaccination was birthed in 1796 with the scientific work of
Correct Answer
C. Edward Jenner
Explanation
Edward Jenner is the correct answer because he is credited with the development of the smallpox vaccine in 1796. His scientific work involved inoculating individuals with cowpox to protect them from smallpox, a groundbreaking discovery in the field of immunization. Thomas Freeman and Gaiz Tusk are not known for their contributions to vaccination, making them incorrect choices.
9.
The world's first, flying airplane was built and designed by the
Correct Answer
B. Wright Brothers
Explanation
The Wright Brothers were the inventors of the world's first flying airplane. They designed and built the aircraft, which successfully took flight in 1903. Their innovation and engineering skills paved the way for modern aviation and revolutionized the way we travel.
10.
What do you know about the son of Charles Babbage?
Correct Answer
B. Computer
Explanation
Charles Babbage is known as the father of the computer, so it is logical to assume that his son would also have knowledge or involvement in the field of computers. Therefore, the correct answer is "Computer".