Science Quiz Questions and Answers:-GK Questions and Answers on General Science have been compiled to boost the preparation for several competitive examinations and also enhance knowledge.
Science Quiz Questions and Answers
No.-1. Who was the first pre-Socratic philosopher to suggest that matter could neither be created nor destroyed?
No.-2. Which quantum number gives the shape of the orbital?
Answer: Azimuthal quantum number.
No.-3. What is ecosystem?
Answer: The entire living community and non-living factors of the environment together from the ecosystem.
No.-4. In 1729 AD, Pieter Van Musschenbroek used the term ‘PHYSICS’ for the first time. What was the subject called so far?
Answer: Natural philosophy.
No.-5. What is the maximum capacity of d-orbital?
Answer: 10 electrons.
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No.-6. Which form of science dealing with the study of structural and cultural traits of human beings?
No.-7. Which Greek philosopher suggested that the material world was composed of four basic elements – air, water, fire and earth?
No.-8. What is the shape of s-orbital?
No.-9. What are the two functional groups in an ecosystem?
Answer: Autotrophs and heterotrophs.
No.-10. Who in 1231 was the first to describe the science of optics?
Answer: Robert Grosseteste.
No.-11. What do you mean by Zeeman Effect?
Answer: Splitting of spectral lines by magnetic field.
No.-12. Where does the primary photo chemical reaction occur in chloroplast?
No.-13. Who was burnt to death for suggesting that the sun might be an ordinary star?
Answer: Giordano Bruno.
No.-14. What is the shape of p-orbital?
No.-15. What is exobiology?
Answer: It is the study of life in outer space.
No.-16. Who in 1643 was the first person to create vacuum above the liquid?
Answer: Evangelista Torricelli.
No.-17. Which series of hydrogen atomic spectrum lies in the visible region?
Answer: Balmer series.
No.-18. What is the magnification of an electron microscope?
No.-19. Who in 1786 invented the gold leaf electro scope?
Answer: Abraham Bennet.
No.-20. Who proposed elliptical orbits?
No.-21. Which is the monocarpic plant which shows gregarious flowering once in 48 years?
No.-22. Who encouraged Newton to write his idea for principia?
Answer: Edmund Halley.
No.-23. How many atomic orbitals are known? What are they?
Answer: Four. S, p, d, and f.
No.-24. Write an example of serendipity.
Answer: Discovery of penicillin by Fleming.
No.-25. Who in 1808 discovered polarization of light and introduced the term ‘Polarization’?
Answer: Etienne-Louis Malus.
No.-26. What is the maximum number of electrons that can be accommodated in an orbital?
No.-27. What do you mean by Hydroponics?
Answer: Plant growth in liquid culture medium.
No.-28. The first scientist to apply scientific reasoning to cosmology was Rene Descartes. What was his theory called?
Answer: Vortex Theory.
No.-29. How many orbitals present 5f subshell?
No.-30. What is the technique of separation of disrupted cell components?
No.-31. In which year did Otto Von Guericke demonstrate his famous Magdeburg experiment dealing vacuum?
No.-32. On which property of electrons does the electron microscope work?
Answer: Wave nature.
No.-33. What is EM?
Answer: Electron microscope.
No.-34. Who was the first to attack Newton’s Corpuscular theory of light?
Answer: Thomas Young.
No.-35. The element with the minimum atomic number having 8 electrons in the outer most shell is what?
Science Quiz Questions
No.-36. Name two monocarpic plants which show gregarious flowering.
Answer: Bambusa tulda, Melocanna bambusoides.
No.-37. Who was the first person to design models of flying machine?
Answer: Leonardo da Vinci.
No.-38. The s-orbital of the L shell is represented as what?
No.-39. Under what system, organisms are provided with scientific means?
Answer: Binomial nomenclature.
No.-40. Who in 1749 developed a method for making an artificial magnet?
Answer: John canton.
No.-41. What is the maximum number of electrons in principal energy level?
Answer: K-2, L-8, M-18, N-32.
No.-42. What is the name of that branch of Biology which devoted to identifying, naming and classifying organisms?
No.-43. Hydrodynamica gave explanation of Bernoulli’s theorem in 1738. Who was the first to suggest this theorem?
Answer: Daniel Bernoulli.
No.-44. What is the atomic number of the element which has 3 electrons in its M shell?
No.-45. Who was the author of ‘Man’s place in nature’?
No.-46. Who invented Leyden jar?
Answer: Pieter Van Musschenbroek and Ewald Georg von Kleist.
No.-47. Which atom has only one electron?
No.-48. 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?
Answer: Level organization.
No.- 49. Which famous Danish physicist in 1675 measured the speed of light?
No.-50. The path of the electron according to Niels Bohr’s theory was called what?
Answer: Orbit shell.
No.-51. Expand the TMV.
Answer: Tobacco Mosaic Virus.
No.-52. What did Sir William Herschel discover in 1800?
Answer: Infra-red radiation.
Science Quiz Solved Question
No.-53. How many electrons can be accommodated in the M shell?
No.-54. What is DNA?
Answer: Deoxyribonucleic acid.
No.-55. In which year did G.S. Ohm formulate Ohm’s law?
No.-56. An electron jumps in to the next lower orbit when loses what?
Answer: One quantum of energy.
No.-57. What is Histology?
Answer: Histology is the study of tissues (Microscopic anatomy).
No.-58. In which year did A. Michelson and E. Morley conduct their experiment to verify the existence of ether?
No.-59. How many orbitals are there in p-subshell?
No.-60. Which is the free living soil bacteria in fixes nitrogen?
No.-61. Who in 1939 suggested the name meson for middle-weight particles?
Answer: Homi J. Bhabha.
No.-62. The various orbitals of the same subshell will differ in what?
Answer: In their direction orientation.
No.-63. What is Physiology?
Answer: Physiology is the study of structure and functions.
No.-64. What is the importance of 2nd December 1942?
Answer: The creation of the first controlled chain reaction.
No.-65. Electron is looked upon as a cloud of negative charge according to what?
Answer: Wave-mechanics theory.
No.-66. What is Cell Biology?
Answer: Cell Biology is the study of structure and reproduction of cells.
No.-67. Which philosopher conjectured that if the moon did not move, it would fall upon the earth?
No.-68. The subshell consisting of dumb-bell shaped orbitals is known as what?
No.-69. What do you mean by Genetics?
Answer: Genetics is the study of heredity and variations.
No.-70. Who said, “A bird is an instrument working according to the mathematical laws”?
Answer: Leonardo da Vinci.
Science GK Questions
No.-71. The region of space around the nucleus where there is a high probability of finding an electron is called what?
No.-72. Write a Radio isotope.
No.-73. Who said, “All falling bodies, irrespective of their size, descend at the same speed”?
Answer: Galileo Galilei.
No.-74. The major shell-wise electronic configuration of element with the atomic number 15 is what?
Answer: 2, 8, 5.
No.-75. How does the living and non-living resemble up to the level organization?
Answer: Molecules and compounds.
No.-76. Which Austrian physicist developed the philosophy that all knowledge is simply sensation?
Answer: Ernest Mach.
No.-77. Who put forward the principle of uncertainty?
Answer: Werner Heisenberg.
No.-78. What number of chemicals are present in a cell?
Answer: About 5000.
No.-79. Who contemplated “A freely floating magnet orients itself in the north-south direction?
Answer: Robert Norman.
No.-80. When electron leaves an orbital and jumps in to another?
Answer: When its energy changes.
No.-81. Write an example of homeostasis.
Answer: Increased heart beat on running and sweating during exercise.
No.-82. Who gave the idea “Electricity flows through space from heated metal”?
Answer: Thomas Alva Edison.
No.-83. The electronic configuration of an atom is 2, 8, and 2. What is its atomic number?
No.-84. Which is called blue-print of information?
No.-85. “Moving particles have wave characteristics.” Who proposed the idea first?
Answer: Victor de Broglie.
No.-86. What do you mean by orbitals?
Answer: They are regions of space around the nucleus where the probability of finding an electron is maximum.
No.-87. Which cells are programmed to die during embryonic stage?
Answer: Vessel elements.
Science Quiz Question
No.-88. Who suggested that light is made up of packets of energy known as protons?
Answer: Albert Einstein.
No.-89. What are the integers used to express the energy, posit, etc. of an electron?
Answer: Quantum numbers.
No.-90. Why virus cannot be cultured in totally artificial medium?
Answer: Because it lacks machinery to use genetic information.
No.-91. Who first gave the concept of ‘Atom’?
No.-92. The steady state from which no spontaneous change takes place is called what?
No.-93. What are seedless plants called?
No.-94. How many times is the proton heavier than the electron?
Answer: 1836 times.
No.-95. What is the color of ammonium chloride?
No.-96. What is Dendrology?
Answer: The study of trees called Dendrology.
No.-97. What is AMU?
Answer: It is the unit of atomic mass.
No.-98. The chemical reactions which never go to completion are called what?
Answer: Reversible reactions.
No.-99. Energy is converted from sunlight and released by what?
No.-100. Which disease is spread in minute water drops?[CR][CR](Answer: two words.)
Answer: Legionnaire’s disease.
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