Laws Theories and Discoveries Test Online

Maan AliLast Updated: May 13, 2026
Test Name Laws Theories and Discoveries Test Online
Topic Everyday Science
Total Questions: 50
Time Allowed: 25 Minutes
Total Marks: 50
How to Attempt Test: Please choose the right Option in MCQ-type question.
Test Helpful For: Everyday Science Test
General Knowledge
PPSC/FPSC/CSS/NTS/KPPSC/SPSC
Interview Questions Answer
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Scientific laws, theories, and discoveries form the foundation of modern science and technological advancement. Famous scientists developed important principles that explain gravity, motion, electricity, evolution, and chemical reactions. This test introduces major scientific discoveries and the theories that changed human understanding of the world.

 Laws Theories and Discoveries Practice Mcqs Online

1. Who discovered the circulation of sap in plants?

2. Who discovered radium and polonium?

3. Who discovered the concept of vaccination for rabies?

4. Who discovered the law of buoyancy (Archimedes’ principle)?

5. Who proposed the heliocentric theory?

6. Who discovered the law of electromagnetic waves?

7. Who discovered the law of planetary motion?

8. Who discovered the law relating volume and temperature of gases?

9. Who proposed the planetary model of the atom?

10. Who discovered radioactivity?

11. Who gave the law of inertia?

12. Who proposed the germ theory of disease?

13. Who discovered the law of pressure in fluids?

14. Who discovered insulin for diabetes treatment?

15. Who proposed the survival of the fittest theory?

16. Who discovered the circulation of blood in humans?

17. Who discovered penicillin?

18. Who discovered the electron?

19. Who discovered the Polio vaccine?

20. Who gave the hypothesis about molecules and gases?

21. Who proposed the law of gravitation in space-time (general relativity)?

22. Who discovered vaccination against smallpox?

23. Who gave the uncertainty principle?

24. Who discovered the law of gases (PV = constant)?

25. Who discovered that DNA is the genetic material?

26. Who gave the Big Bang theory of universe origin?

27. Who discovered the electron charge experiment?

28. Who proposed the law of universal gravitation?

29. Who is known as the father of modern chemistry?

30. Who discovered that the universe is expanding?

31. Who discovered the nucleus of the atom?

32. Who proposed the law of conservation of mass?

33. Who proposed the atomic theory of matter?

34. Who discovered Vitamin C?

35. Who discovered electromagnetic induction?

36. Who gave the quantum theory?

37. Who discovered X-rays?

38. Who discovered radio waves?

39. Who formulated the theory of relativity?

40. Who discovered the laws of heredity?

41. Who proposed the three laws of motion?

42. Who discovered the law of independent assortment in genetics?

43. Who proposed the law of conservation of energy?

44. Who discovered the neutron?

45. Who gave the photoelectric effect explanation?

46. Who developed the periodic table of elements?

47. Who explained continental drift theory?


 

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Maan AliLast Updated: May 13, 2026

Maan Ali

Hey there! I'm Maan Ali, your online test prep pal. Join me in the adventure of acing exams with ease. I'll share tricks, practice tests, and all you need to rock your studies. Let's make learning fun and success a sure thing!
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