Discoveries & Invention MCQs - Everyday Science Practice | PakExamPoint

Practise Discoveries & Invention MCQs in Everyday Science. Attempt multiple-choice questions, check answers and revise related subtopics.

Discoveries & Invention MCQs and revision practice

Study Discoveries & Invention through multiple-choice questions in Everyday Science. This subtopic contains 310 practice questions. Read the wording carefully, compare the options and attempt an answer before checking the solution in learning mode.

Use these Discoveries & Invention 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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Discoveries & Invention: 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.

131. Law of gravity was given by

کشش ثقل کا قانون کس نےدیا تھا۔

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Answer: Newton

Explanation Sir Isaac Newton was an English mathematician, physicist, astronomer, alchemist, theologian, Author widely recognised as one of the greatest mathematicians And physicists of all time and among the most influential scientists.

132. Who build the first modern motorcar which worked with Gasoline

Check answer and explanation

Answer: Karl Benz

Explanation Karl Benz was a German engine designer and automobile engineer. His Benz Patent Motorcar from 1885 is considered the first practical automobile.

133. The theory stating that new matter is always created to fill the space left by the Universe is called?

وہ نظریہ جو کہتا ہے کہ کائنات میں خالی جگہ کو پر کرنے کے لیے ہمیشہ نئی مادہ پیدا ہوتی رہتی ہے، اسے کہا جاتا ہے

Check answer and explanation

Answer: Steady State

Explanation The Steady State theory proposes that the universe has no beginning or end in time. It suggests that as the universe expands, new matter is continuously created to maintain a constant density. This theory was proposed by Fred Hoyle, Thomas Gold, and Hermann Bondi in 1948

134. The Scientist Chadwick in 1932 discovered?

سائنس دان چاڈوک نے 1932 میں ____ دریافت کیا؟

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Answer: Neutron

Explanation James Chadwick is known for his discovery of the neutron in 1932. Proton : Protons were discovered by Ernest Rutherford, before neutrons. Electron : Electrons were discovered by J.J. Thomson, much earlier than protons or neutrons. Positron : A positron is the antiparticle of an electron, and it was discovered by Carl Anderson in 1932.

135. What is the age of the Father of French Revolution (J.J Rousseau)?

فادر آف فرنچ ریولوشن کی عمر کتنی تھی؟

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Answer: 66 years

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.

136. In 1831, the presence of nucleus in the cells was reported by__________?

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Answer: Robert Brown

Explanation Robert Brown discovered Nucleus in: 1831

137. First time cell was discovered in which year?

پہلی بار سیل کس سال میں دریافت ہوا؟

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Answer: 1665

Explanation Discoverer of Cell: Robert Hook Robert Hook described the cell as: Basic unit of life

138. "Alhavi" an encyclopedia on medicine was authored by?

\"الہوی\" طب پر ایک انسائیکلوپیڈیا کس نے لکھا تھا؟

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Answer: Abu Bakr Muhammad zakriya Razi

Explanation Alhavi was the first Encyclopedia of Traditional Medicine authored by Abu Bakr Muhammad zakriya Razi.

139. Special theory of relativity was given by ___?

خصوصی نظریہ اضافیت کس نے دیا تھا؟

Check answer and explanation

Answer: Albert Einstein

Explanation The theory of relativity usually encompasses two interrelated theories by Albert Einstein: They were proposed and published in 1905 and 1915 E = mc2 C in this equation , the velocity of light

140. Who discover the Vaccine?

ویکسین کس نے دریافت کی؟

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Answer: Edward Jenner

Explanation Scientist: Edward Jenner Discovery Year: 1796 Vaccine Type: Smallpox Significance: First ever successful preventive vaccine Extra Fact: Smallpox was declared eradicated in 1980 by WHO Additional information : Edward Jenner is often called the “ Father of Immunology .” Last verified on 16-01-2026

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