Practise Explorers and Inventors MCQs in General Knowledge. Attempt multiple-choice questions, check answers and revise related subtopics.
Study Explorers and Inventors through multiple-choice questions in General Knowledge. This subtopic contains 379 practice questions. Read the wording carefully, compare the options and attempt an answer before checking the solution in learning mode.
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آکسیجن کس سال میں دریافت ہوئی
Answer: 1774
Explanation Joseph Priestly discovered oxygen on August 1, 1774. The most abundant element in the Earth's crust is oxygen , making up 46.6% of Earth's mass
فیس بک کا بانی کون ہے؟
Answer: M.zeekerburg
Explanation Facebook was founded by Mark Zuckerberg It is an online social media and social networking service Owned by the American company Meta Platforms Founded February 4, 2004 Headquarters: Menlo Park, California, U.S.
خوردبین کی ایجاد کس نے کی تھی؟
Answer: Zacharias Janssen
Explanation Zacharias Janssen , along with his father Hans Janssen, is credited with the invention of the first compound microscope in 1590,
جیومیٹری کا باپ کس کو کہا جاتا ہے؟
Answer: Euclid
Explanation Euclid Considered the "father of geometry" He was an ancient Greek mathematician active as a geometer and logician. Known for: The Elements, Optics, Data Died: Alexandria, Egypt Last updated question 18-02-2026
ریڈیو ایکٹیویٹی کو ________ نے دریافت کیا تھا؟
Answer: Bacquerel
Explanation Radioactivity was discovered by Henri Becquerel in 1896. They discovered radioactivity proving that the uranium emitted radiation without an external source of energy such as the Sun Marie Curie with her husband Pierre Curie, coined the term radioactivity. In 1903, Henry Becquerel shared the Nobel Prize for Physics with Pierre and Marie Curie Ernest Rutherford did many experiments studying the properties of radioactive decay (alpha, beta, and gamma)
کانٹیکٹ لینس کس نے ایجاد کیا؟
Answer: Adolf Fick
Explanation Adolf Fick invented the first contact lenses worn by patients, in 1888 Adolf Fick was a doctor and physiologist. Adolf Fick belonged to Germany . *****
Answer: x: y:: y: z
Explanation If x, y, and z are in proportion , then the c orrect option will be x: y:: y: z. Step-by-step explanation: A proportion is an equation in which t wo ratios are set equal to each other. If 3 numbers are in proportion to each other then their ratios should be equal to one another. ND12_8_2023
کمپیوٹر کا بنیادی ڈھانچہ کس نے تیار کیا تھا۔
Answer: John Von Neumann
Explanation The basic structure of a computer was developed by John von Neumann in 1945. It is known as the von Neumann architecture or von Neumann model, He was the Hungarian-American mathematician and physicist Last updated 15-feb-2026
مارٹن کوپر نے سیل فون کس سال ایجاد کیا؟
Answer: 1973
Explanation Motorola was the first company to produce a handheld mobile phone. On April 3, 1973 , Martin Cooper, made the first mobile telephone call from handheld subscriber equipment.
مائیکروسافٹ کارپوریشن کی بنیاد ______ نے رکھی ہے؟
Answer: Both A and B
Explanation Microsoft was founded on April 4, 1975 . It was founded by Bill Gates and Paul. Allen in Albuquerque, New Mexico . Last verified on 02-03-2026
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