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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کس نے دریافت کیا کہ ملیریا مچھر سے پھیلتا ہے؟
Answer: Ronald Ross
Explanation Ronald Ross was a medical doctor who received the Nobel Prize for Physiology or Medicine in 1902 for his work on the transmission of malaria. He belonged to the British .
امیٹر کے ذریعہ کیا ماپا جاتا ہے؟
Answer: Electric current (small current)
Explanation An ammeter is an instrument used to measure small electric current in a circuit. It typically measures current in amperes (A). It is connected in series with the circuit. The potentiometer is used to measure emf. A meter bridge is used to measure the electrical resistance.
سب سے پہلے بلڈ بینک کا خیال کس نے پیش کیا؟
Answer: Charles Drew
Explanation In late 1940, before the U.S. entered World War II and just after earning his doctorate, Drew was recruited by John Scudder to help set up and administer an early prototype program for blood storage and preservation RY30012023
جدید طبیعیات کا باپ کون ہے؟
Answer: Isaac Newton
Explanation The title " Father of Physics" has not been given to a single scientist. Newton, Galileo and Einstein have all been called "Fathers of Modern Physics." Newton was called this because of his famous law of motion and gravitation, Galileo for his role in the scientific revolution and his contributions on observational astronomy. Sir Isaac Newton is often called the "Father of Modern Physics" Einstein for his groundbreaking theory of relativity
ہوا کی رفتار کو کس چیز سے ماپا جاتا ہے؟
Answer: Anemometer
Explanation An anemometer is an instrument that measures wind speed. This type of anemometer has a spinning wheel.
خوردبین کا وہ حصہ جو سلائیڈز رکھتا ہے اسے کہا جاتا ہے
Answer: Stage clip
Explanation Stage clips hold the slides in place. If your microscope has a mechanical stage, the slide is controlled by turning two knobs instead of having to move it manually.
ٹیلی فون ایجاد کرنے کا سہرا کس کے سر ہے؟
Answer: Alexander Graham Bell
Explanation Alexander Graham Bell is often credited with being the inventor of the telephone since he was awarded the first successful patent. On March 7, 1876 , Graham Bell receives a patent for his revolutionary new invention: the telephone. Graham Bell made the first-ever telephone call to his partner , Thomas Watson. ND22-6-2023
بلیک ہول میں ۔۔۔۔۔۔ بہت مضبوط ہوتا ہے۔
Answer: Gravitational field
Explanation Black holes are some of the strangest and most fascinating objects in outer space. They're extremely dense, with such strong gravitational attraction that even light cannot escape their grasp if it comes near enough.
شور کی شدت کو ماپنے کی اکائی کہلاتی ہے
Answer: Decibel
Explanation We measure sound intensity in units called decibels . Also referred to as sound power or sound pressure MUG 10-12-2022
کانٹیکٹ لینس کس نے ایجاد کیا؟
Answer: Adolf Fick
Explanation Adolf Fick invented the first contact lenses worn by patients, in 1888 Adolf Fick was a doctor and physiologist. Adolf Fick belonged to Germany . *****
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