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.

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Explorers and Inventors: questions and answer review

Try each question before opening its answer. Record the concept behind each mistake and revisit it during your next practice session.

141. Who is the co-founder of Twitter?

ٹوئٹر کا شریک بانی کون ہے؟

Check answer and explanation

Answer: Jack Dorsey

Explanation Twitter was created by Jack Dorsey, Noah Glass, Biz Stone, and Evan Williams in March 2006 and launched in July of 2006.

142. Who is regarded as the father of political science?

سیاسیات کا باپ کس کو کہا جاتا ہے؟

Check answer and explanation

Answer: Aristotle

Explanation Aristotle ("The Father of Political Science") (384–322 BC). Aristotle was one of the first people to give a working definition of political science.

143. Which company has developed a new dialogue-based chatbot named 'ChatGPT'?

Check answer and explanation

Answer: OpenAI

Explanation ChatGPT stand for ' CHAT GENERATIVE PRE-TRAINED TRANSFORMER Note: ChatGPT is an artificial intelligence chatbot developed by OpenAI and launched on November 30, 2022.

144. Isaac Newton belonged to the country:

آئزک نیوٹن کا تعلق کس ملک سے تھا

Check answer and explanation

Answer: UK

Explanation Isaac Newton discovered the laws of gravity and three laws of motion and invented calculus . Isaac Newton belonged to the United Kingdom (UK).

145. Max plank bagged Nobel Prize in Physics for the discovery of _____________

میکس پلنک کو کس کی دریافت پرطبیعیات کا نوبل انعام ملا

Check answer and explanation

Answer: Energy Quanta

Explanation Max Karl Ernst Ludwig Planck, was a German theoretical physicist whose discovery of energy quanta won him the Nobel Prize in Physics in 1918 .

146. The founder of Alibaba is _____?

علی بابا کا بانی _____ ہے؟

Check answer and explanation

Answer: Jack Ma

Explanation Jack Ma is the founder of Alibaba , a Chinese e-commerce giant he established in 1999 . Under his leadership, Alibaba became one of the world’s largest online retail platforms.

147. Which scientist is credited for presenting the temperature and volume relationship of gases?

Check answer and explanation

Answer: Jacques Charles

Explanation In 1787, the French scientist Jacques Charles discovered that the volume of a gas varies when we change its temperature, keeping the pressure constant. Jacques Charles is known for Charles's Law, which states that the volume of a gas is directly proportional to its absolute temperature (in Kelvin) when pressure is held constant. This relationship is fundamental in gas behavior studies.

148. The digital computer was developed primarily in _____?

ڈیجیٹل کمپیوٹر بنیادی طور پر _____ میں تیار کیا گیا تھا؟

Check answer and explanation

Answer: USA

Explanation The digital computer , capable of processing data in binary code (0s and 1s), was primarily developed in the USA . John Vincent Atanasoff , an American-Bulgarian physicist, invented the first electronic digital computer in the 1930s at Iowa State College.

149. Who discovered the Circulatory System?

گردشی نظام کس نے دریافت کیا؟

Check answer and explanation

Answer: William Harvey

Explanation The human body's system of blood circulation was discovered by William Harvey. He was an English physician. He discovered the Circulatory System in 1628 . ****

150. Braille education system was introduced by Braille for?

بریل تعلیم کا نظام بریل نے کس لیے متعارف کرایا تھا؟

Check answer and explanation

Answer: Blinds

Explanation Braille education system was introduced by Louis Braille for Blinds. Braille education system Creator: Louis Braille Direction: Left-to-right, right-to-left script Languages: 133 languages Parent systems: Night writing Child systems: French-ordered Braille alphabets, Fakoo Sister systems: New York Point History In 1824, at the age of fifteen, he developed the Braille code based on the French alphabet as an improvement on night writing. He published his system, which subsequently included musical notation, in 1829. The second revision, published in 1837, was the first binary form of writing developed in the modern era.

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