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.

41. The drug of choice for treating a newborn with presumed ductal-dependent cyanotic congenital heart disease is:

Check answer and explanation

Answer: Prostaglandin E1

Explanation The drug of choice for treating a newborn with presumed ductal-dependent cyanotic congenital heart disease is Prostaglandin E1 *** Prostaglandin E1 is also known as Alprostadil. Prostaglandin E1 (PGE1) is used to keep the ductus arteriosus patent and can be life‐saving in neonates with ductal‐dependent cardiac lesions. **** EMT RESCUE 1122 MCQ

42. Who discards explosive material?

دھماکہ خیز مواد کون ضائع کرتا ہے؟

Check answer and explanation

Answer: Bomb Disposal Squad

Explanation The entity specifically trained and responsible for discarding explosive material is the Bomb Disposal Squad It is also known as Explosive Ordnance Disposal (EOD) units.

43. لفظ جیومیٹری کس زبان کا لفظ ہے؟

Check answer and explanation

Answer: یونانی

Explanation The word ' Geometry ' is derived from an ancient Greek word 'geometron'. The word 'geo' means 'Earth' and 'metron' means 'measurement'. Measurement of the Earth is called Geometry.

44. Distant objects can be seen with the help of ____?

دور کی اشیاء کوکس کی مدد سے دیکھا جا سکتا ہے؟

Check answer and explanation

Answer: Telescope

Explanation Distant objects can be seen with the help of the Telescope They produce an image that is larger than the image that can be seen with the unaided eye. Telescopes gather far more light than the eye, It allows dim objects to be observed with greater magnification and better resolution.

45. Who discovered Hydrogen?

ہائیڈروجن کس نے دریافت کیا؟

Check answer and explanation

Answer: Henry Cavendish

Explanation - Discovered by: Henry Cavendish - Year: 1766 Symbol: H Atomic mass: 1.00784 u Atomic number: 1 Named by: Antoine Lavoisier (1783)

46. A pulse oximeter is used to:

Check answer and explanation

Answer: Measure the pulse rate and oxygen in the blood.

Explanation A pulse oximeter is used to: Measure the pulse rate and oxygen in the blood *** It’s a device that is placed on the Fingertip of the patient .

47. Who was the first person in Space?

خلا میں پہلا شخص کون تھا؟

Check answer and explanation

Answer: Yuri Gagarin

Explanation First man who travelled in Space was Yuri Gagarin in 1961. Yuri Gagarin was a Soviet pilot and cosmonaut. He aboard the first successful crewed spaceflight, became the first human to journey into outer space. Additional information : First man who Walk in Space was Alexei Leonov in 1965. First man who Walk on Moon was Neil Armstrong in 1969. Last verified on 10-03-2026

48. Richter Scale is used for measuring?

ریکٹر اسکیل کس چیز کی پیمائش کے لیے استعمال کیا جاتا ہے؟

Check answer and explanation

Answer: Magnitude of earthquakes

Explanation The intensity of earthquake is measured by Richter Scale. Richter Scale was invented in 1935 .

49. Al-Razi was a great:

الرازی عظیم تھے۔

Check answer and explanation

Answer: Physician

Explanation Al-Razi was a musician and a money-changer until his 30s he began to study medicine in Baghdad . one of the greatest physicians of the medieval period , writing over 200 works Al Razi is considered the “original portrayer” of smallpox .

50. Who invented Radio?

ریڈیو کس نے ایجاد کیا؟

Check answer and explanation

Answer: Marconi

Explanation Marconi invented Radio . Radio was invented in 1895 . Guglielmo Marconi was an Italian inventor.

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