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- Question
Cinematography was invented by
Options- A. Graham Bell
- B. Edison
- C. Zeiss
- D. Faraday
- Correct Answer
- Edison
- 1. The most important feature of the Indian Parliament is that:
Options- A. it is the Union Legislature in India
- B. it also comprises of the president
- C. it is bicameral in nature
- D. the upper House of the Parliament is never dissolved Discuss
- 2. In the 1700s,who would pay the postage fee for letters before the stamp was invented?
Options- A. The sender
- B. There was no fee
- C. The receiver of the letter
- D. The post office Discuss
- 3. Revolver discovered by
Options- A. Colt
- B. Mercafter
- C. Bushwell
- D. Daimler Discuss
- 4. This statesman,politican,scholar,inventor,and one of early presidents of USA invented the swivel chair,the spherical sundial,the moldboard plow,and the cipher wheel.
Options- A. George Washington
- B. Alexander Hamilton
- C. John Adams
- D. Thomas Jefferson Discuss
- 5. D.D.T. was invented by
Options- A. Paul Muller
- B. John Dalton
- C. Rudolf
- D. None of these Discuss
- 6. Who invented Radar?
Options- A. Henrey Backquerel
- B. Max Planck
- C. Robert Watson Watt
- D. Humphrey Davy Discuss
- 7. In which decade was the Internet first implemented?
Options- A. 1940s
- B. 1960s
- C. 1970s
- D. 1980s Discuss
- 8. What J. B. Dunlop invented?
Options- A. Pneumatic rubber tire
- B. Automobile wheel rim
- C. Rubber boot
- D. Model airplanes Discuss
- 9. App to locate board exam centre for students launched by ?
Options- A. CBSE
- B. IIT
- C. JNU
- D. NCERT Discuss
- 10. Who invented waterproof fabrics ?
Options- A. James Dewar
- B. Charles Goodyear
- C. Mary Moore
- D. Charles Macintosh Discuss
Inventions problems
Search Results
Correct Answer: it also comprises of the president
Correct Answer: The receiver of the letter
Explanation:
Later in 1840, Rowland Hill invented the stamp, which was paid for by the sender, not the receiver.
Correct Answer: Colt
Correct Answer: Thomas Jefferson
Explanation:
Thomas Jefferson (April 13, 1743 ? July 4, 1826) was the third President of the United States (1801-1809) and the principal author of the Declaration of Independence (1776).
Correct Answer: Paul Muller
Explanation:
Swiss chemist Paul Hermann Muller discovered DDT (dichloro-diphenyl-trichloroethane) noted its effectiveness as a pesticide during World War II to control malaria and typhus among civilians and troops, a discovery that earned him a Nobel Prize in 1948.
It was first synthesized in the year 1874.
Correct Answer: Robert Watson Watt
Correct Answer: 1960s
Correct Answer: Pneumatic rubber tire
Correct Answer: CBSE
Correct Answer: Charles Macintosh
Explanation:
Charles Macintosh (29 December 1766 ? 25 July 1843) was a Scottish chemist and inventor of waterproof fabrics.He devoted all his spare time to science, particularly chemistry, and before he was twenty resigned his clerkship to take up the manufacture of chemicals. In this he was highly successful, inventing various new processes. His experiments with one of the by-products of tar, naphtha, led to his invention of waterproof fabrics.
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