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.

241. Who is Albert Einstein?

البرٹ آئن سٹائن کون تھا؟

Check answer and explanation

Answer: Physicists

Explanation Albert Einstein, a renowned physicist , revolutionized physics with his theory of relativity. He made significant contributions to mathematics and philosophy as well. Einstein is celebrated as one of the most influential physicists of the 20th century. It notably publishing four landmark papers in 1905.

242. What is the colour of Copper Sulphate?

Check answer and explanation

Answer: Blue

Explanation The colour of copper sulphate solution is blue . Copper sulphate solution is blue in colour which on heating at moderate temperature for some time

243. Who discovered the Blood Group System?

بلڈ گروپ سسٹم کس نے دریافت کیا؟

Check answer and explanation

Answer: Karl Landsteiner

Explanation Karl Landsteiner discovered ABO blood group system. He was an Austrian scientist. Karl Landsteiner received Noble Prize in 1930 Blood Group System was discovered in 1900 .

244. Bio-diesel is prepared:

بائیو ڈیزل کس سے تیار کیا جاتا ہے

Check answer and explanation

Answer: From rapeseed

Explanation Biodiesel is a form of diesel fuel derived from plants or animals and consisting of long-chain fatty acid esters .

245. 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.

246. The theory that refers to an explosion about 15 billion years ago, which most astronomers believe to be the origin of the Universe, is called:

وہ نظریہ جو تقریباً 15 بلین سال پہلے ہونے والے ایک دھماکے کی طرف اشارہ کرتا ہے، جسے زیادہ تر ماہرین فلکیات کائنات کی اصل مانتے ہیں، اسے کیا کہا جاتا ہے

Check answer and explanation

Answer: Big Bang Theory

Explanation The theory describing the universe's beginning with a rapid expansion from a hot, dense state is known as the Big Bang theory is an American television sitcom created by Chuck Lorre and Bill Prady for CBS. It aired from September 24, 2007, to May 16, 2019

247. The man who conceived the first Computer the British inventor named:

Check answer and explanation

Answer: Charles Babbage

Explanation Charles Babbage was an inventor from UK. Charles Babbage is known as the Father of Computer. Babbage born: 1791 Babbage died: 1871 AGM 17-12-2022

248. Laws of Heredity discovered by ___?

وراثت کے قوانین کس نے دریافت کیے؟

Check answer and explanation

Answer: Mandel

Explanation The Laws of Heredity were discovered by Gregor Mendel, Gregor Mendel is known as the f ather of genetics. He with seven characteristics of pea plants

249. Name the first man to walk in space in 1965

Check answer and explanation

Answer: Alexei Leonov

Explanation Alexei Leonov was the first human being to walk in space, the man who would have been first on the moon had the Soviets beaten the Americans. ***** First man who travelled in Space was Yuri Gagarin in 1961 First man who Walk in Space was Alexei Leonov in 1965 First man who Walk on Moon was Neil Armstrong in 1969

250. Where have archaeologists discovered a 7000-year-old prehistoric settlement?

ماہرین آثار قدیمہ نے 7000 سال پرانی قدیم بستی کہاں دریافت کی ہے؟

Check answer and explanation

Answer: Serbia

Explanation In May 2024, archaeologists of Serbia discovered a 7000-year-old prehistoric settlement . This pre-historic is believed to be dating back approximately 7,000 years to the late Neolithic period, where this settlement is situated near the Tamis River in the Banat region of northeastern Serbia . ****

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