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.

361. Who is the founder of twitter

ٹویٹر کا بانی کون ہے۔

Check answer and explanation

Answer: All

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

362. Who is often associated with essentialist philosophy of education?

کون اکثر تعلیم کے لازمی فلسفہ سے منسلک ہے؟

Check answer and explanation

Answer: Mortimer Adler

Explanation Mortimer Adler is often associated with essentialist philosophy of education. Mortimer Adler was an American philosopher and educator. ****

363. Melinda Gates is the CEO of _____?

میلنڈا گیٹس _____ کے سی ای او ہیں؟

Check answer and explanation

Answer: None of these

Explanation Melinda French Gates is the founde r and CEO of Pivotal, It is an organization she established in 2015 Note : From 2000 to 2024, she and Gates co-chaired the Bill & Melinda Gates Foundation Melinda Ann French was born on August 15, 1964, in Dallas, Texas Political party: Democratic

364. Who is the known as the father of taxonomy?

درجہ بندی کا باپ کس کو کہا جاتا ہے؟

Check answer and explanation

Answer: Carolus Linnaeus

Explanation Carl Linnaeus was a Swedish botanist, zoologist, taxonomist, and physician who formalised binomial nomenclature, the modern system of naming organisms.

365. Felix Hoffmann invented Aspirin in 1897, he belonged:

Check answer and explanation

Answer: Germany

Explanation Aspirin , also known as acetylsalicylic acid, is a drug used to relieve pain, fever, or inflammation. Aspirin was invented by German chemist Felix Hoffmann in 1897.

366. "Liberty, Equality, Fraternity", as a slogan, was the hallmark of the:

آزادی، مساوات اور بھائی چارے کا نظریہ کس نے دیا؟

Check answer and explanation

Answer: Cuban revolution

Explanation Jean-Jacques Rousseau , a French philosopher, popularized the concept of " Liberty, Equality, Fraternity ". Through his influential ideas, especially in The Social Contract (1762) . This contributed to shaping the ideals of the French Revolution .

367. Which of the following invention is oldest ? A. Clock B. Microscope C. Barometer D. Cycle Submitted

Check answer and explanation

Answer: Clock

Explanation Clocks in their earliest forms, such as sundials and water clocks (clepsydras), have existed for thousands of years, with evidence of water clocks in Babylon and Egypt dating back to around 1500 BCE or earlier.

368. The song Mera Imaan Pakistan was sung by?

ایمان پاکستان کا گانا کس نے گایا تھا

Check answer and explanation

Answer: Nusrat Fateh Ali Khan

Explanation The song "Imaan Pakistan" was sung by Nusrat Fateh Ali Khan . This patriotic song was released in 1996 as part of a national campaign to promote unity and patriotism in Pakistan.

369. Because penicillin prevents peptidoglycan synthesis, it is more effective on ___________ cells.

چونکہ پینسلن پیپٹائڈوگلیان کی ترکیب کو روکتی ہے، یہ ___________ خلیات پر زیادہ موثر ہے۔

Check answer and explanation

Answer: Gram Positive

Explanation Penicillin works best on gram-positive bacteria by inhibiting peptidoglycan production, making the cells leaky and fragile The cells burst open and are much easier for the immune system to break down, which helps the sick person heal more quickly. ** Related Question Penicillin was discovered by Alexander Flaming In 1928 Penicillin was the f irst true antibiotic ND04-08-2023

370. Which of the following Muslim Scientists discovered the radius of the earth?

مندرجہ ذیل میں سے کس مسلمان سائنسدان نے زمین کا رداس دریافت کیا؟

Check answer and explanation

Answer: Abu Rayhan A-Biruni

Explanation Calculating the radius of the earth over a thousand years ago required a lot of imagination. The 10th-century Persian mathematician Abu Rayhan al-Biruni used simple trigonometric results to estimate the radius and circumference of the Earth ND_16_7_2023

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