Top 100 Important Everyday Science Mcqs Set-8 61- The oldest evolutionary history was discovered in: A. ManB. HorseC. FrogD. Dinosaur View Answer Answer : B. Horse Description 62- The chromosome number in man is 46. What is it in orangutan, chimpanzee and gorilla? A. 42B. 44C. 46D. 48 View Answer Answer : C. 46 Description 63- The organs which are morphologically different but perform the same function are called: A. HomologousB. Analogous organsC. Vestigial organsD. None of these View Answer Answer : B. Analogous organs Description 64- Life is absent on moon due to lack of: A. WaterB. NitrogenC. HydrogenD. Carbon View Answer Answer : A. Water Description 65- Who among the following first discarded the theory of spontaneous creation and gave that life originates from pre-existing life? A. CoacervatesB. EobiontsC. Stanley MillerD. Louis Pasteur View Answer Answer : D. Louis Pasteur Description 66- To prove the chemosynthetic theory of origin of life, Miller conducted an experiment in which he synthesized: A. ProteinsB. Amino acidsC. LipidsD. Carbohydrates View Answer Answer : B. Amino acids Description 67- Vermiform appendix is vestigial in man due to: A. Cellulose digestionB. Omnivorous dietC. Heterodont conditionD. Cooking habit View Answer Answer : B. Omnivorous diet Description 68- The earliest man-like primate was: A. ProconsulB. RamapithecusC. DryopithecusD. Australopithecus View Answer Answer : D. Australopithecus Description 69- Living and extinct human beings and their near human ancestors are called: A. HominidsB. RobustusC. Homo SapiensD. Homo Erectus View Answer Answer : A. Hominids Description 70- Prehistoric record shows that coloured rock paintings were first done by: A. Java man B. Peking manC. Neanderthal manD. Cro-Magnon man View Answer Answer : D. Cro-Magnon man Description 71- The cranial capacity of which of the following prehistoric men was equal to that of modern man? A. JavaB. PekingC. NeanderthalD. Australopithecus View Answer Answer : C. Neanderthal Description 72- The age of reptiles was: A. Azotic eraB. Permian eraC. Mesozoic eraD. Palaeozoic era View Answer Answer : C. Mesozoic era Description 73- Who proposed the mutation theory of evolution? A. HuxleyB. DarwinC. LamarckD. Hugo de Vries View Answer Answer : D. Hugo de Vries Description 74- The clouds of cosmic dust and gases from which the entire solar system is believed to be formed by condensation, is called: A. YlemB. WheyC. CosmosD. Galaxy View Answer Answer : A. Ylem Description 75- Which of the following is not believed to be one of the gases present on the primitive earth? A. AmmoniaB. Carbon dioxideC. MethaneD. None of these View Answer Answer : D. None of these Description 76- Archaeopteryx, which provides a connecting link between reptiles and birds, is a fossil of: A. CambrianB. Palaeocene period C. Jurassic periodD. Pleistocene period View Answer Answer : C. Jurassic period Description 77- Which era is known as the "Golden Age of Reptiles" due to the dominance of Dinosaurs over all possible habitats on Earth? A. MesozoicB. CenozoicC. PrecambrianD. None of these View Answer Answer : A. Mesozoic Description 78- The colour of the sky looks blue because: A. Sky is made up of blue colour particles B. Blue colour is of longer wavelength C. Blue colour is more prominent in sunlight D. Blue colour of light is of shorter wavelength, so these waves are easily scattered by dust particles and water vapour View Answer Answer : D. Blue colour of light is of shorter wavelength, so these waves are easily scattered by dust particles and water vapour Description 79- Clear nights are colder than cloudy nights because of: A. IsolationB. RadiationC. CondensationD. Conduction View Answer Answer : B. Radiation Description 80- Oil rises up the wick in a lamp because: A. Oil is very light B. Of the diffusion of oil through the wick C. Oil is volatile D. Of the capillary action phenomenon View Answer Answer : D. Of the capillary action phenomenon Description 1 2 3 4 5
