Explorers and Inventors MCQs - General Knowledge Practice | PakExamPoint
Practise Explorers and Inventors MCQs in General Knowledge. Attempt multiple-choice questions, check answers and revise related subtopics.
Explorers and Inventors MCQs and revision practice
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.
Use these Explorers and Inventors MCQs to identify the facts, rules or methods you need to revise. Where an explanation is available, work through it and write down why your chosen option was correct or incorrect. Revisit difficult questions after reviewing your notes, then use exam mode for timed practice.
Explanation Santorio Santorio , an Italian physician, invented the first thermoscope (early form of thermometer) around 1612 . He later developed an electrical thermometer , laying the groundwork for future temperature-measuring devices .
Explanation Dynamite was invented by Swedish chemist Alfred Nobel in the 1860s . Alfred Nobel the first safely manageable explosive stronger than black powder.
پورٹیبل دستاویز فارمیٹ (پی ڈی ایف) کے تخلیق کار کے طور پر کون جانا جاتا ہے؟
A. Dennis hit Richard
B. Charles Geschke
C. Charles Babbage
D. Tim Berners Lee
E. None of these
Check answer and explanation
Answer: Charles Geschke
Explanation Charles Geschke of the USA set up Adobe in 1982 , giving the world the ubiquitous PDF software , among many other audio-visual innovations.
Explanation Motorola was the first company to produce a handheld mobile phone. On April 3, 1973 , Martin Cooper, a Motorola researcher and executive, made the first mobile telephone call from handheld subscriber equipment, placing a call to Dr. Joel S. Engel of Bell Labs, his rival.
Explanation Julian Paul Assange is an Australian editor, publisher, and activist who founded WikiLeaks in 2006 . WikiLeaks came to international attention in 2010 when it published a series of leaks provided by U.S. Army intelligence analyst Chelsea Manning.
Explanation Jean-Jacques Rousseau was born on June 28, 1712 Died on July 2, 1778, at the age of 66 years. He is called th e Father of the French Revolution.
Explanation WhatsApp Founded January, 2009 CEO Will Cathcart Headquarters California, USA Acquisition Date 19 February 2014 Founders Jam Koum & Brian Acton Parent Organization Facebook
Explanation Robert Peary became the first person to reach the North Pole in 1909 . Robert Peary was an American explorer. The North Pole of the Earth is located in Arctic Ocean. Distance from south to North Pole is called Longitude .
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