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.

151. Who invented the First Computer Mouse?

پہلا کمپیوٹر ماؤس کس نے ایجاد کیا؟

Check answer and explanation

Answer: Douglas Engelbart

Explanation The computer mouse was invented and developed by Douglas Engelba rt , In 1964, at the Stanford Research Institute (SRI). 1964: The prototype was built. 1968: Introduced to the public during the famous "Mother of All Demos".

152. Dynamite was discovered by Alfred Nobel in 1867 in _______?

ڈائنامائٹ کو الفریڈ نوبل نے 1867 میں _____ میں دریافت کیا تھا؟

Check answer and explanation

Answer: Sweden

Explanation Dynamite was invented by Alfred Nobel in the 1860s. Additional Information REKATED ALFRED NOBEL He was a chemist from Sweden . Full name: Alfred Bernhard Nobel Born: October 21, 1833, Stockholm, Sweden The founder of the Nobel Prize Invented Nitro-glycerine in 1875. Died: on December 10, 1896, in Sanremo, Italy

153. Berners Lee also implemented the HTTP to form the communications backbone of his new hypertext information system, which he called:

Check answer and explanation

Answer: WWW

Explanation WWW stands for World Wide Web. Sir Tim Berners-Lee invented the World Wide Web in 1989 .

154. James Webb Space Telescope was launched into space on ________?

جیمز ویب اسپیس ٹیلی سکوپ کو خلا میں کب روانہ کیا گیا۔

Check answer and explanation

Answer: 25 December 2021

Explanation JWST was launched into space on 25 December 2021. NASA launched James Webb Space Telescope in the year 2021 The world’s largest and most powerful space telescope “James Webb Space Telescope” Launch site : Guiana Space Centre ND04-08-2023

155. Who coined the term gene?

جین کا لفظ کس نے ایجاد کیا؟

Check answer and explanation

Answer: Wilhelm Johannes

Explanation Wilhelm Johannsen coined the term “gene” in 1909 Johannsen created "gene" from the Greek word genos , meaning "birth" or "race". He was a Danish botanist and geneticist He is best known for coining the terms gene, phenotype, and genotype, and fo r his 1903 "pure line" experiments in genetics. Born: 3 February 1857, Elsinore, Denmark Died: 11 November 1927 (aged 70) Copenhagen, Denmark

156. Who was the first person to reach Mount Everest?

ماؤنٹ ایورسٹ پر پہنچنے والا پہلا شخص کون تھا؟

Check answer and explanation

Answer: Both A and B

Explanation Sherpa Tenzing : Nepali mountaineer Edmund Hillary : New Zealand mountaineer All about Mount Everest Mount Everest is the Highest peak in the world . The highest part of the Earth is Mount Everest It is located in Nepal. The new height of Mount Everest is 8,848.86m (29,032 feet). Mount Everest was named after George Everest in 1856 First time Mount Everest expedition in 1953 Mount Everest is present in the range of mountains: the Himalayas ***** The first person to reach Mount Everest: Sherpa Tenzing and Edmund Percival Hillary **** The first man to climb Mount Everest twice was: Nawang Gombu *** The first Pakistani woman to scale Mount Everest is: Samina Baig *** the first blind man in Asia and the third in the world to climb Mount Everest: Zhang Hong **** the youngest Pakistani to summit Mount Everest (8,848m), the tallest peak in the world: Sheroze Kashif **** Who has made a world record and become the fastest in the women's category to Scale Mount Everest? Tsang Yin-hung ******* ND18-5-2023

157. Who was the founding father of classical conditioning?

کلاسیکی کنڈیشنگ کا بانی کون تھا؟

Check answer and explanation

Answer: Pavlov

Explanation Ivan Pavlov (1849–1936), a Russian physiologist , discovered classical conditioning in the early 1900s. Known for: Founder of modern behavior therapy Classical conditioning

158. Theodolite is used to measure?

تھیوڈولائٹ کس کی پیمائش کے لیے استعمال کیا جاتا ہے؟

Check answer and explanation

Answer: Horizontal and vertical angle

Explanation Theodolite is a precision optical instrument for measuring angles between designated visible points in the horizontal and vertical planes. Theodolite was invented by Leonard Digges (United Kingdom) *****

159. Who created the first gasoline Car?

پہلی پٹرول کار کس نے بنائی؟

Check answer and explanation

Answer: Karl Benz

Explanation Karl Benz created the first gasoline-powered car Known as the Benz Patent-Motorwagen Patent Date: January 29, 1886 ( Patent No. 37435). Karl Benz was a German engine designer. Last update 07-02-2026

160. Identify Muslim Scientific who is credited with the discovery of sulphuric acid , nitric acid, and hydrochloric acid.

مسلم سائنٹیفک کی شناخت کریں جسے سلفیورک ایسڈ، نائٹرک ایسڈ، اور ہائیڈروکلورک ایسڈ کی دریافت کا سہرا دیا جاتا ہے۔

Check answer and explanation

Answer: Jabir Bin Hiyan

Explanation Jabir Ibn Hayyan, also known as Geber He is the Muslim scientist credited with the discovery of sulfuric acid, nitric acid, and hydrochloric acid. He is widely recognized as the "father of Arab chemistry".

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