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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الیکٹریکل تھرمامیٹر کس نے ایجاد کیا؟
Answer: Santorio
Explanation Santorio Santorio , an Italian physician, invented the first thermoscope (early form of thermometer) around 1612 . He later developed an electrical thermometer , laying the groundwork for future temperature-measuring devices .
سماجی تعامل بنیادی انسانی ہے؟
Answer: need
Explanation social interaction is a basic human need *** Detail concept Human well-being relies on intimate social connections. In a recent study published in Nature Neuroscience, a team of researchers led by Rebecca Saxe, a neuroscientist at the Massachusetts Institute of Technology reported : that social interaction is a basic human need, just like food and water The five types of social interaction are exchange, cooperation, conflict, coercion, and competition NA23-7-2023 SH1-8-2023
جینیات کا باپ کس کو کہا جاتا ہے؟
Answer: Gregor Mendel
Explanation Gregor Mendel (from Austria) is called the Father of Genetics for his experiments on pea plants. He discovered the basic principles of heredity and inheritance through his work.
وہ اوزار جس سے دودھ کا گاڑھا پن یا خالص پن ناپا جاتا ہے، اسے کیا کہتے ہیں؟
Answer: Lactometer
Explanation A lactometer is used to measure the purity and density (thickness) of milk . It checks if milk has been adulterated with water by measuring specific gravity. Works on the principle of buoyancy . Pure milk specific gravity: 1.028–1.032 at 15°C Last verified on 16-03-2026
اوزون کی تہہ کو ______ نے دریافت کیا تھا؟
Answer: Charles Fabry and Henri Buisson
Explanation French physicists Charles Fabry and Henri Buisson discovered the ozone layer in 1913 . They used an interferometer to measure the amount of ozone in the atmosphere.
وٹامنز کو کس نے دریافت کیا تھا؟
Answer: Casimir Funk
Explanation Casimir Funk discovered Vitamins in the year 1912 .
خلا میں، ایک ایکسپلوریشن سپیکٹروسکوپ کو درج ذیل کے لیے استعمال کیا جاتا ہے۔
Answer: To study chemical composition of Stars
Explanation In space exploration , a spectroscope is typically used to analyze the light coming from stars, planets, and other celestial objects to determine their chemical composition. This helps scientists understand the formation and evolution of stars, planets, and galaxies.
جسم کی ساخت کی پیمائش کے لیے استعمال ہونے والا آلہ ہے
Answer: Skinfold Caliper
Explanation The instrument used for measuring body composition is called Skinfold Caliper. A skinfold caliper is used to assess the skinfold thickness. AGM 28.02.28
Answer: Successful exploitation of new ideas
Explanation The noun discovery means the finding or uncovering of something.
انسانی آنکھ میں لینس کی قسم _____ ہے؟
Answer: Convex Lens
Explanation A biconvex lens is the type of lens found in the human eye , and it is responsible for forming genuine images The lens, or crystalline lens, is a transparent biconvex structure in most land vertebrate eyes ( We are all vertebrates) *** The image formed at the retina of the human eye is real and inverted. ND-8-08-2023
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