Invention Questions Practice Question and Answer
8 Q: ____ was the inventor of radar?
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626a612cf380c4441d13dec0- 1J. H. Van Tasselfalse
- 2Wilhelm K. Roentgenfalse
- 3P.T.Farksworthfalse
- 4A. H. Taylor and Leo C. Youngtrue
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Answer : 4. "A. H. Taylor and Leo C. Young"
Explanation :
A. H. Taylor and Leo C. Young were American scientists who played a crucial role in the development of radar technology. They are credited with creating the first radar system in the United States. Radar, which stands for "Radio Detection and Ranging," is a technology that uses radio waves to detect and locate objects. It became essential during World War II for various applications, including aircraft detection and navigation. The work of Taylor and Young contributed significantly to the advancement of radar technology and its subsequent widespread use in military and civilian applications.
Q: In which of the following states Rawatbhata Nuclear Plant is situated?
2077 160375f5024cd273bc4f502c8
60375f5024cd273bc4f502c8- 1Rajasthantrue
- 2Gujaratfalse
- 3Madhya Pradeshfalse
- 4Tamil Nadufalse
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Answer : 1. "Rajasthan "
Explanation :
The Rawatbhata Nuclear Power Plant is located in Rawatbhata, a town in the Chittorgarh district of the Indian state of Rajasthan. It is a complex that houses several nuclear reactors, including pressurized heavy water reactors (PHWR) and pressurized heavy water reactors of the Indian design. The plant plays a significant role in contributing to the electricity generation capacity of the region and the country.
Q: Telephone was invented by
3256 15fa1120333d1d86b9ab7244c
5fa1120333d1d86b9ab7244c- 1Alexander Graham Belltrue
- 2J.L. Bairdfalse
- 3Stevensonfalse
- 4Newtonfalse
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Answer : 1. "Alexander Graham Bell"
Explanation :
The telephone was invented by Alexander Graham Bell. The correct answer is (A) Alexander Graham Bell. Bell is widely recognized for his pioneering work in the development of the telephone, and he received the first US patent for the invention of the telephone in 1876.
Q: Who invented the railway engine?
6629 35ef438c0bea49d16b47d8ea9
5ef438c0bea49d16b47d8ea9- 1Charles Babbagefalse
- 2Isaac Newtonfalse
- 3James Wattfalse
- 4George Stephensontrue
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Answer : 4. "George Stephenson"
Explanation :
The invention of the railway engine is credited to George Stephenson. The correct answer is (D) George Stephenson. George Stephenson, an English engineer, is known for developing the first practical steam locomotive, named "The Rocket," which played a crucial role in the early development of railways.
Q: In 1831, electricity became viable for use in technology when ________ created the electric dynamo.
3116 05ee85b7379b5ea388bec46b8
5ee85b7379b5ea388bec46b8- 1Benjamin Franklinfalse
- 2Alessandro Voltafalse
- 3Michael Faradaytrue
- 4Thomas Edisonfalse
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Answer : 3. "Michael Faraday"
Explanation :
In 1831, electricity became viable for use in technology when Michael Faraday created the electric dynamo. The correct answer is (C) Michael Faraday.
Faraday's work on electromagnetic induction laid the foundation for the development of electric generators and dynamos, which played a crucial role in the generation of electric power.
Q: Who is said to be the father of Indian Space Programme?
4991 15ebcc608828a397cdc60bb07
5ebcc608828a397cdc60bb07- 1Abdul Kalamfalse
- 2Rakesh Sharmafalse
- 3Vikram Sarabhaitrue
- 4Homi Bhabhafalse
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Answer : 3. "Vikram Sarabhai "
Explanation :
The father of the Indian Space Programme is often considered to be:
(C) Vikram Sarabhai
Dr. Vikram Sarabhai, an eminent scientist, visionary, and the founder of the Indian Space Research Organisation (ISRO), is widely regarded as the father of the Indian Space Programme. He played a pivotal role in establishing and nurturing India's space capabilities. Dr. Sarabhai was instrumental in the launch of India's first satellite, Aryabhata, in 1975, marking a significant milestone in the country's space exploration journey. His vision and leadership laid the foundation for the development of ISRO and the growth of India's space capabilities, making space exploration an integral part of the country's scientific and technological advancements.
Q: The third generation anti-tank missile that was successfully test fired by DRDO at Rajasthan in named
4208 05e7c38d350339c7366692a37
5e7c38d350339c7366692a37- 1Agnifalse
- 2Nagtrue
- 3Cobrafalse
- 4Toophanfalse
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Answer : 2. "Nag"
Explanation :
The third-generation anti-tank missile successfully test-fired by DRDO (Defence Research and Development Organisation) in Rajasthan is named:Nag
Q: Who discovered bacteria?
1393 063058bb229cb4630442cb359
63058bb229cb4630442cb359- 1Louis Pasteurfalse
- 2Leeuwenhoektrue
- 3Robert Hookefalse
- 4Torricellifalse
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