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 gave the quantum theory?

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

3. Who discovered the circulation of sap in plants?

4. Who discovered radioactivity?

5. Who discovered the nucleus of the atom?

6. Who gave the photoelectric effect explanation?

7. Who proposed the law of universal gravitation?

8. Who discovered the laws of heredity?

9. Who proposed the law of conservation of energy?

10. Who discovered that the universe is expanding?

11. Who formulated the theory of relativity?

12. Who proposed the survival of the fittest theory?

13. Who discovered penicillin?

14. Who discovered the electron?

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

16. Who proposed the three laws of motion?

17. Who discovered the law of pressure in fluids?

18. Who proposed the germ theory of disease?

19. Who discovered radio waves?

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

21. Who developed the periodic table of elements?

22. Who proposed the atomic theory of matter?

23. Who gave the hypothesis about molecules and gases?

24. Who gave the law of inertia?

25. Who proposed the planetary model of the atom?

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

27. Who discovered the concept of vaccination for rabies?

28. Who discovered the electron charge experiment?

29. Who gave the uncertainty principle?

30. Who discovered that DNA is the genetic material?

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

32. Who discovered insulin for diabetes treatment?

33. Who proposed the heliocentric theory?

34. Who discovered electromagnetic induction?

35. Who explained continental drift theory?

36. Who discovered radium and polonium?

37. Who discovered the Polio vaccine?

38. Who discovered the neutron?

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

40. Who proposed the law of conservation of mass?

41. Who discovered X-rays?

42. Who discovered the law of planetary motion?

43. Who discovered the circulation of blood in humans?

44. Who discovered vaccination against smallpox?

45. Who discovered Vitamin C?

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

47. Who discovered the law of electromagnetic waves?


 

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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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