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- Question
D.D.T. was invented by
Options- A. Paul Muller
- B. John Dalton
- C. Rudolf
- D. None of these
- Correct Answer
- Paul Muller
ExplanationSwiss 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.
- 1. Helicopter was invented by
Options- A. Drinker
- B. Broquet
- C. Copernicus
- D. Cockrell Discuss
- 2. Who is the english physicist responsible for the "Big Bang Theory"?
Options- A. Albert Einstein
- B. Michael Skube
- C. George Gamow
- D. Roger Penrose Discuss
- 3. Article 44 of the Indian Constitution "Uniform civil code for the citizens" deals with _____.
Options- A. the directive principles of state policy
- B. the Union Government
- C. the State Government
- D. the fundamental rights of the Indian Citizen Discuss
- 4. The number of parliamentary seats (Rajya Sabha) of Karnataka is _____.
Options- A. 12
- B. 16
- C. 18
- D. 31 Discuss
- 5. What is the full form of the Indian Political Party, "AITC"?
Options- A. All India Trinamool Congress
- B. All India Telugu Congress
- C. All India Telugu Communist
- D. All India Trinamool Communist Discuss
- 6. 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
- 7. Revolver discovered by
Options- A. Colt
- B. Mercafter
- C. Bushwell
- D. Daimler Discuss
- 8. 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
- 9. 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
- 10. Cinematography was invented by
Options- A. Graham Bell
- B. Edison
- C. Zeiss
- D. Faraday Discuss
Inventions problems
Search Results
Correct Answer: Broquet
Correct Answer: George Gamow
Explanation:
George Gamow. Gamow, who died in 1968, was a physicist, who published ?Thirty Years that Shook Physics?.
Correct Answer: the directive principles of state policy
Correct Answer: 12
Correct Answer: All India Trinamool Congress
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: Colt
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: it also comprises of the president
Correct Answer: Edison
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