Inventions problems
- 1. Who discovered Electron?
Options- A. Niels Bohr
- B. J.J. Thomson
- C. Abert Einstein
- D. Ernest Rutherford Discuss
Correct Answer: J.J. Thomson
- 2. State Land Reform is under which part of the Constitution?
Options- A. 7th Schedule
- B. 8th schedule
- C. 9th Schedul
- D. 10th schedule Discuss
Correct Answer: 9th Schedul
- 3. Which country on 23 October 2017 signed the Paris agreement on climate change, leaving the United States and Syria as the only two countries holding outto sign this global climate pact?
Options- A. Nicaragua
- B. Colombia
- C. Peru
- D. Uganda Discuss
Correct Answer: Nicaragua
- 4. An eudiometer measures
Options- A. Atmospheric pressure
- B. Time
- C. Volume of gases
- D. Vapour pressure Discuss
Correct Answer: Volume of gases
- 5. The artificial heart was invented by _________.
Options- A. Muhammad Yunus
- B. Linus Yale, Jr.
- C. Gazi Yasargil
- D. Paul Winchell Discuss
Correct Answer: Paul Winchell
- 6. Barometer was invented by
Options- A. Evangelista Torricelli
- B. Charles Xavier Thomas
- C. Edward Teller
- D. Gustav Tauschek Also asked in: Bank Exams
Correct Answer: Evangelista Torricelli
- 7. Prime Minister Narendra Modi inaugurated India's longest rail-road bridge Bogibeel Bridge in which state?
Options- A. Tripura
- B. Sikkim
- C. Assam
- D. Arunachal Pradesh Discuss
Correct Answer: Assam
Explanation:
* Prime Minister Narendra Modi on 25th Dec 2018 inaugurated the 4.94 km long Bogibeel Bridge in Assam.
* It is India?s longest rail-cum-road road bridge, on the river Bramhaputra.
* The bridge is constructed at an estimated cost of 5,800 crore rupees.
* It is situated 17 km downstream of Dibrugarh city in Assam.
- 8. Seismometer was invented by
Options- A. Alexander Parkes
- B. Luigi Palmieri
- C. Alexey Pajitnov
- D. Ransom Eli Olds Also asked in: CAT, Bank Exams, AIEEE
Correct Answer: Luigi Palmieri
- 9. Who invented first working laser?
Options- A. A. H. Taylor
- B. W. K. Roentgen
- C. T. H. Maiman
- D. Fred Morrission Also asked in: Bank Exams
Correct Answer: T. H. Maiman
- 10. Venn diagram was invented by
Options- A. Lucien Vidi
- B. John Venn
- C. Theophilus Van Kannel
- D. Lewis Urry Also asked in: AIEEE, Bank Exams, CAT
Correct Answer: John Venn
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