Practise Discoveries & Invention MCQs in Everyday Science. Attempt multiple-choice questions, check answers and revise related subtopics.
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.
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موصلی مواد ____________ فطرت میں ہوتے ہیں۔
Answer: Dielectric
Explanation dielectric, insulating material, or a very poor conductor of electric current. When dielectrics are placed in an electric field, practically no current flows in them because, unlike metals ND04-08-2023
پہلا آڈیو ٹیپ ریکارڈر کس نے ایجاد کیا تھا
Answer: Alexander Graham Bell
Explanation The earliest known audio tape recorder was a non-magnetic, non-electric version invented by Alexander Graham Bell's Volta Laboratory and patented in 1886.
آئزک نیوٹن نے کیا دیا؟
Answer: Laws of motion and laws of gravition
Explanation Isaac Newton (1642–1727) was an English physicist and mathematician . He formulated the laws of motion and law of universal gravitation . His work laid the foundation for classical mechanics . Last verified on 02-04-2026
Answer: Europa
Explanation Scientists at NASA have detected water vapour for the first time above the surface of Europa, a finding that supports the idea of a liquid water ocean sloshing beneath the miles-thick ice shell of the Jupiter's moon.
ایک ایسا آلہ جو ہمیں دور کی چیزوں کو دیکھنے کے قابل بناتا ہے کیا کہلاتا ہے؟
Answer: Telescope
Explanation A Telescope is an optical instrument used to observe distant objects such as stars, planets, and galaxies . It collects and magnifies light or other forms of electromagnetic radiation . The term “ telescope ” was coined in 1611 by the Greek mathematician Giovanni Demisiani . Last verified on 10-03-2026
Answer: Ribosomal Units
Explanation mRNA is “messenger” RNA. mRNA is synthesized in the nucleus using the nucleotide sequence of DNA as a template.
دھماکہ خیز مواد یا بارود کا پتہ لگانے کا بہترین طریقہ کون سا ہے؟
Answer: Sniffers
Explanation Modern technological "sniffers" trained detection dogs are still considered the most effective and versatile method for detecting explosives or gunpowder. Dogs offer a unique combination of olfactory sensitivity, mobility, and adaptability to various environments and evolving threats.
جان نیپئر نے لوگارتھم ایجاد کیا
Answer: 1614
Explanation John Napier introduced the concept of Logarithms in th e 17th century John Napier invented the logarithm in 1614 Edinburgh-born Renaissance scholar John Napier invented logarithms His purpose was to assist in the multiplication of quantities that were then called sines ND11-4-2023
ہنسنے والی گیس کس نے دریافت کی؟
Answer: Joseph Priestley
Explanation Joseph Priestley discovered laughing gas ( nitrous oxide ) in 1772 . It was later studied for its anesthetic properties.
Answer: Electric Current
Explanation A galvanometer is an instrument that can detect and measure small amounts of current in an electrical circuit
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