INDIAN SCIENTISTS(A)
Which Indian physicist won the Nobel Prize in 1930 for his work on light scattering?
🟩 Answer: C. V. Raman
🔹 He discovered the Raman Effect — scattering of light that changes its wavelength.
Which Indian scientist’s birthday is celebrated as National Science Day in India?
🟩 Answer: C. V. Raman (February 28)
🔹 Marks the discovery of the Raman Effect in 1928.
What does CPU stand for in computers?
Central Processing Unit
Details: Often called the "brain" of the computer, it processes instructions and manages all operations.
Who discovered penicillin?
Alexander Fleming
Details: Discovered in 1928, penicillin became the world’s first antibiotic, saving millions of lives.
Who is known as the Missile Man of India?
🟩 Answer: Dr. A. P. J. Abdul Kalam
🔹 He played a key role in India’s missile and nuclear weapons programs and served as the 11th President of India.
Which Indian scientist discovered that plants respond to external stimuli?
🟩 Answer: Jagdish Chandra Bose
🔹 Invented the Crescograph to measure plant growth and sensitivity.
What is 5G technology?
The fifth generation of mobile network technology.
Details: It offers ultra-fast internet speed, low latency, and supports advanced applications like IoT (Internet of Things) and smart cities.
Who is known as the “Father of the Mobile Phone”?
Martin Cooper
Details: He made the first mobile phone call in 1973 while working at Motorola.
In which field did Dr. M. S. Swaminathan make his major contributions?
🟩 Answer: Agricultural science / Genetics
🔹 Known as the “Father of the Green Revolution in India.”
Who is regarded as the Father of Indian Nuclear Science?
🟩 Answer: Homi Jehangir Bhabha
🔹 Founded TIFR and initiated India’s nuclear program.
Who is the second Indian to travel to space?
Group Captain Shubhanshu Shukla
Details: He became the second Indian citizen to go to space after Rakesh Sharma (1984).
The Ax-4 mission was launched on 25th June 2025 aboard a SpaceX Falcon 9 rocket.
What does QR in QR Code stand for?
Quick Response Code
Details: It was designed to allow information to be decoded quickly using a scanner or smartphone camera.
Who is known as the Father of the Indian Space Programme?
🟩 Answer: Dr. Vikram Sarabhai
🔹 Established ISRO and initiated India’s space research journey.
Which scientist developed India’s first indigenous satellite, Aryabhata?
Vikram Sarabhai
What is the function of a microscope?
To magnify tiny objects that are invisible to the naked eye.
Details: Invented in the 17th century, microscopes revolutionized biology and medicine.
What does UPI stand for?
Unified Payments Interface
Details: UPI is a real-time payment system developed by NPCI (National Payments Corporation of India) that allows instant money transfer between bank accounts using a mobile app.
Who is the current Chairman of ISRO (as of 2025)?
🟩 Answer: Dr. S. Somanath
🔹 Led ISRO during the successful Chandrayaan-3 lunar landing in 2023.
The Bose-Einstein statistics were developed by Albert Einstein and which Indian scientist?
Satyendra Nath Bose
What does NASA stand for?
National Aeronautics and Space Administration
Details: NASA is the United States’ space agency responsible for space exploration, aeronautics, and scientific discovery.