सर एलेक्जेंडर फ्लेमिंग ने किसकी खोज की?
What did Sir Alexander Fleming discover?
Collection of verified questions for Pramukh Vaigyanik Avam Aavishkar under General Science. Includes previous year exam questions with official answer keys and step-by-step solutions.
What did Sir Alexander Fleming discover?
Who was the discoverer/inventor of penicillin?
In which field of science would you learn about 'White Dwarfs'?
Which of the following was invented by Wilhelm Röntgen?
Who invented the gas engine—
J.L. Baird's name is associated with which invention?
Scientist Albert Einstein is famous for-
Einstein was awarded the Nobel Prize for-
Who among the following scientists was a co-winner of the Nobel Prize in Physics along with his son?
Match the following: List-I (Invention) List-II (Inventor) (A) Typewriter (1) Davy (B) X-ray (2) Sholes (C) Radio (3) Röntgen (D) Safety Lamp (4) Marconi Code:
The telescope was invented by—
Who invented 'Television'?
Which musical instrument was Albert Einstein proficient in playing?
Who was the inventor of the fountain pen?
Arrange the following in chronological order of their discovery and select the correct answer using the code below: A. Transistor B. Diode C. S.M.D. (Surface Mounted Devices) D. Integrated Circuit (I.C.) Code:
For which work did Einstein receive the 'Nobel Prize'?
Wilhelm Röntgen invented—
Match List-I with List-II and select the correct answer using the codes given below the lists: List-I (Scientist) List-II (Invention/Discovery) A. Alfred Nobel 1. Theory of Evolution B. Alexander Fleming 2. Dynamite C. Charles Darwin 3. Penicillin D. Madam Curie 4. Isolation of Radium Code:
What did Alfred Nobel invent?
The discoverer of the photo-electric effect was-
Match the following (Inventor and Invention): List-I (Inventor) List-II (Invention) (A) Johannes Gutenberg 1. Telephone (B) W. K. Röntgen 2. Printing Press (C) Michael Faraday 3. X-ray (D) Alexander Graham Bell 4. Dynamo Code:
The machine gun was invented by-
A microscope is used for the study of which of the following?
Who invented the thermoscope, the early thermometer?
What did Fleming discover?