Science Quiz Questions and Answers:- Science Quiz Questions and Answers for Class 8 in English. Find Science Quiz Questions and Answers for Class 10 from basic to advance level for step by step preparation of Competitive exams.
Science Quiz Questions and Answers for Class 9 test the participant’s knowledge on latest discoveries, technological advancements made and in the process further enhances an individual’s knowledge base.
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The quizzes also cover the Science Quiz Questions and Answers for Class 5 or Science Quiz Questions and Answers for Class 7. Number of questions is asked from this segment in the competitive exams. Science Current Affairs quiz will help you in the preparation for NDA, CDS, Bank PO, MBA, NABARD, RBI, Railway, SSC, Civil Services and other Exams.
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Science Quiz Questions and Answers
Que.-1. In 1729 AD, Pieter Van Musschenbroek used the term ‘PHYSICS’ for the first time. What was the subject called so far?
Ans. Natural philosophy.
Que.-2. What is known as ‘Suicidal bags of cell’?
Que.-3. What is systolic and diastolic pressure in a healthy man?
Ans. 120mm & 80mm
Que.-4. What is the maximum capacity of d-orbital?
Ans. 10 electrons.
Que.-5. Which form of science dealing with the study of structural and cultural traits of human beings?
Que.-6. What are Bryophytes ?
Ans. Amphibious Plants
Que.-7. Which component of the Cell is called it’s ‘Kitchen’?
Que.-8. Which Greek philosopher suggested that the material world was composed of four basic elements – air, water, fire and earth?
Que.-9. What is the shape of s-orbital?
Que.-10. What are the two functional groups in an ecosystem?
Ans. Autotrophs and heterotrophs.
Que.-11. Who in 1231 was the first to describe the science of optics?
Ans. Robert Grosseteste.
Que.-12. What do you mean by Zeeman Effect?
Ans. Splitting of spectral lines by magnetic field.
Que.-13. Where does the primary photo chemical reaction occur in chloroplast?
Que.-14. Who was burnt to death for suggesting that the sun might be an ordinary star?
Ans. Giordano Bruno.
Que.-15. Which series of hydrogen atomic spectrum lies in the visible region?
Ans. Balmer series.
Science Quiz Questions and Answers for Class 8
Que.-16. What is the magnification of an electron microscope?
Que.-17. Who in 1786 invented the gold leaf electro scope?
Ans. Abraham Bennet.
Que.-18. Who proposed elliptical orbits?
Que.-19. Which is the monocarpic plant which shows gregarious flowering once in 48 years?
Que.-20. Who encouraged Newton to write his idea for principia?
Ans. Edmund Halley.
Que.-21. How many atomic orbitals are known? What are they?
Ans. Four. S, p, d, and f.
Que.-22. Write an example of serendipity.
Ans. Discovery of penicillin by Fleming.
Que.-23. Who in 1808 discovered polarization of light and introduced the term ‘Polarization’?
Ans. Etienne-Louis Malus.
Que.-24. What is the maximum number of electrons that can be accommodated in an orbital?
Que.-25. What do you mean by Hydroponics?
Ans. Plant growth in liquid culture medium.
Que.-26. The first scientist to apply scientific reasoning to cosmology was Rene Descartes. What was his theory called?
Ans. Vortex Theory.
Que.-27. How many orbitals present 5f subshell?
Que.-28. What is the technique of separation of disrupted cell components?
Que.-29. In which year did Otto Von Guericke demonstrate his famous Magdeburg experiment dealing vacuum?
Que.-30. On which property of electrons does the electron microscope work?
Ans. Wave nature.
Science Quiz Questions and Answers for Class 10
Que.-31. What is EM?
Ans. Electron microscope.
Que.-32. Who was the first to attack Newton’s Corpuscular theory of light?
Ans. Thomas Young.
Que.-33. The element with the minimum atomic number having 8 electrons in the outer most shell is what?
Que.-34. Name two monocarpic plants which show gregarious flowering.
Ans. Bambusa tulda, Melocanna bambusoides.
Que.-35. Name the gas used for making vegetable ghee?
Que.-36. Which is the largest gland in the human body?
Que.-37. The smallest functional unit of a kidney is the ?
Que.-38. James D. Watson, a Nobel Prize winning scientist is expert in the field of .
Que.-39. Who was the first person to design models of flying machine?
Ans. Leonardo da Vinci.
Que.-40. The s-orbital of the L shell is represented as what?
Que.-41. Who was the first pre-Socratic philosopher to suggest that matter could neither be created nor destroyed?
Que.-42. Which quantum number gives the shape of the orbital?
Ans. Azimuthal quantum number.
Que.-43. What is ecosystem?
Ans. The entire living community and non-living factors of the environment together from the ecosystem.
Que.-44. Under what system, organisms are provided with scientific means?
Ans. Binomial nomenclature.
Que.-45. Who in 1749 developed a method for making an artificial magnet?
Ans. John canton.
Science Quiz Questions and Answers for Class 9
Que.-46. Saliva helps in the digestion of .
Que.-47. Which Parent’s chromosome is used for sex determination test?
Que.-48. The bio-gas used for cooking is a mixture of .
Ans. Methane & Carbon dioxide
Que.-49. What is the maximum number of electrons in principal energy level?
Ans. K-2, L-8, M-18, N-32.
Que.-50. What is the name of that branch of Biology which devoted to identifying, naming and classifying organisms?
Que.-51. Hydrodynamica gave explanation of Bernoulli’s theorem in 1738. Who was the first to suggest this theorem?
Ans. Daniel Bernoulli.
Que.-52. What is the atomic number of the element which has 3 electrons in its M shell?
Que.-53. Who was the author of ‘Man’s place in nature’?
Que.-54. Who invented Leyden jar?
Ans. Pieter Van Musschenbroek and Ewald Georg von Kleist.
Que.-55. Which atom has only one electron?
Que.-56. Both living and the non-living are made of same elements and are governed by the similar physical laws. In which respect are they different?
Ans. Level organization.
Que.-57. is used as a catalyst for the synthesis of Sulphuric Acid by Contact Process.
Ans -: Platinum (Pt)
Que.-58. Vanaspati Ghee is synthesized with the help of which catalyst?
Ans -: Nickle (Ni)
Que.-59. Expand the TMV.
Ans. Tobacco Mosaic Virus.
Que.-60. What did Sir William Herschel discover in 1800?
Ans. Infra-red radiation.
Science Quiz Questions and Answers for Class 4
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