Scientific Minds — Set 3
Famous People · वैज्ञानिक दिमाग · Questions 21–30 of 50
Which Indian mathematician is known for her mental calculation abilities and was titled the 'Human Computer'?
Correct Answer: A. Shakuntala Devi
Shakuntala Devi could perform complex mathematical calculations in her head at lightning speed. She earned a place in the Guinness Book of World Records for her mental feats. She also wrote several books on puzzles and numbers.
Who is known as the 'Missile Woman of India' for her role as Project Director for Agni-IV?
Correct Answer: D. Tessy Thomas
Tessy Thomas was the first woman scientist to head a missile project in India. She played a critical role in developing the guidance system for the long-range Agni missiles. Her success has paved the way for more women in defense research.
Which Indian physicist is famous for the steady-state theory of the universe as an alternative to the Big Bang?
Correct Answer: D. Jayant Narlikar
Jayant Narlikar collaborated with Fred Hoyle to develop the Hoyle-Narlikar theory of gravitation. He is also a prolific writer who has popularized science through various books and articles. He founded the IUCAA in Pune.
Who is the Indian scientist known as the 'Father of Indian Paleobotany'?
Correct Answer: A. Birbal Sahni
Birbal Sahni studied the fossils of the Indian subcontinent to understand the evolutionary history of plants. He founded the Birbal Sahni Institute of Palaeosciences in Lucknow. His research also covered archaeology and the geological history of the Himalayas.
Which aerospace scientist served as the Chairman of ISRO during the successful Mars Orbiter Mission (Mangalyaan)?
Correct Answer: D. K. Radhakrishnan
K. Radhakrishnan led ISRO when India became the first nation to reach Mars in its debut attempt in 2014. The mission was noted for being the most cost-effective Mars mission in history. He was named one of the top ten people who mattered by the journal 'Nature'.
Who is the renowned Indian chemist famous for his research on solid-state and structural chemistry and recipient of the Bharat Ratna?
Correct Answer: A. C.N.R. Rao
C.N.R. Rao has authored over 1,600 research papers and dozens of books on chemical sciences. He has received honorary doctorates from several prestigious universities worldwide. He served as the head of the Scientific Advisory Council to the Prime Minister.
Which scientist is known as the 'Father of Indian Remote Sensing' and served as ISRO Chairman in the 1980s?
Correct Answer: D. U.R. Rao
Udupi Ramachandra Rao was the key architect of India's satellite program, starting from Aryabhata. He promoted the use of satellite technology for weather forecasting and communication. He was the first Indian space scientist to be inducted into the Satellite Hall of Fame.
Who is the physicist known for his work on Tachyons (particles that travel faster than light) and quantum optics?
Correct Answer: A. E.C. George Sudarshan
E.C.G. Sudarshan made significant contributions to the V-A theory of weak interactions in particle physics. His research in quantum coherence is fundamental to the field of modern optics. Despite his profound work, he is often cited as a notable omission from the Nobel Prizes.
Which Indian physicist was a pioneer in the field of cosmic ray research and established the PRL in Ahmedabad?
Correct Answer: A. Vikram Sarabhai
Vikram Sarabhai initiated cosmic ray research in India as a means to study the properties of outer space. He founded the Physical Research Laboratory (PRL) in 1947 to support this line of inquiry. He believed that a developing nation must be second to none in high-tech fields.
Who is considered the 'Father of the Green Revolution' globally?
Correct Answer: D. Norman Borlaug
Norman Borlaug developed semi-dwarf, high-yield, disease-resistant wheat varieties. His work is credited with saving over a billion people from starvation. He was awarded the Nobel Peace Prize in 1970 for his humanitarian efforts.