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.

221. 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

222. . Coal formation has four stages, its third stage is known as:

. کوئلے کی تشکیل کے چار مراحل ہوتے ہیں، اس کے تیسرے مرحلے کو کیا کہا جاتا ہے

Check answer and explanation

Answer: Bituminous

Explanation There are four stages in coal formation: peat, lignite, bituminous, and anthracite.

223. Oxygen was discovered in the year:

آکسیجن کس سال میں دریافت ہوئی

Check answer and explanation

Answer: 1774

Explanation Joseph Priestly discovered oxygen on August 1, 1774. The most abundant element in the Earth's crust is oxygen , making up 46.6% of Earth's mass

224. Guglielmo Marconi developed the first apparatus for long distance__?

Check answer and explanation

Answer: Radio communication

Explanation Italian inventor 1909 got Nobel Prize in Physics

225. Scientific socialism is connected with?

سائنسی سوشلزم کا تعلق کس شخصیت سے ہے؟

Check answer and explanation

Answer: Karl Marx

Explanation Scientific socialism is strongly associated with Karl Marx. He, along with Friedrich Engels, developed this theory in the mid-1800s Analyzing societal structures through a historical, economic, and scientific lens, particularly focusing on class conflict.

226. Who is the inventor of Digital Scanner?

ڈیجیٹل سکینر کا موجد کون ہے؟

Check answer and explanation

Answer: Russell Kirsch

Explanation A scanner scans images, printed text, handwriting or an object and converts it to a digital image. Scanner is an output device. Scanner founder: Russell Kirsch Russell Kirsch belongs to USA .

227. Lightning rod was invented by ______?

بجلی کی چھڑی ______ نے ایجاد کی تھی؟

Check answer and explanation

Answer: Benjamin Franklin

Explanation Benjamin Franklin invented the lightning rod , a device used to protect buildings from lightning strikes. He made this invention in 1752 as part of his experiments with electricity.

228. In which cotrimoxazole not used in treatment?

کوٹریموکسازول کس علاج میں استعمال نہیں ہوتا ہے؟

Check answer and explanation

Answer: Prostatitis

Explanation In Prostatitis cotrimoxazole is not used in the treatment *** additional information about prostatitis cotrimoxazole: For acute prostatitis, you will take antibiotics for 2 to 6 weeks. For chronic prostatitis, you will take antibiotics for at least 2 to 6 weeks. Because the infection can come back, you may need to take medicine for up to 12 weeks.

229. The light Bulb was invented by?

لائٹ بلب کس نے ایجاد کیا تھا؟

Check answer and explanation

Answer: Thomas Edison

Explanation Thomas Alva Edison was an American inventor . He developed many devices: Electric power generation Mass communication Sound recording Motion pictures.

230. Sun spots was discovered by___?

سورج کے دھبوں کوکس نے دریافت کیا؟

Check answer and explanation

Answer: Galileo

Explanation Thomas Harriot, of course, was very likely the first person to see sunspots through a telescope in December 1610. Sun is a star

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