MCQ Science and Technology Part II Class 10 Chapter 1 Maharashtra Board Heredity and Evolution 1. What is responsible for the formation of new species in speciation?Genetic variationProtein synthesisCarbon datingVestigial organsQuestion 1 of 202. What leads to speciation besides genetic variation?Protein synthesisGeographical and reproductive isolationTranscriptionFossil formationQuestion 2 of 203. Approximately how many years ago did the last dinosaurs disappear?2.5 crore years7 crore years40 lakh years300 crore yearsQuestion 3 of 204. What animals are said to have evolved from ancestors similar to modern lemurs?DinosaursMonkey-like animalsFishBirdsQuestion 4 of 205. When did the tails of monkey-like animals in Africa disappear?7 crore years ago4 crore years ago2.5 crore years ago40 lakh years agoQuestion 5 of 206. Which ape-like animals evolved into gibbon and orang-utan?Those that stayed in AfricaThose that reached South and North-East AsiaThose that lived in waterThose that became extinctQuestion 6 of 207. When did gorilla and chimpanzee evolve according to the document?7 crore years ago4 crore years ago2.5 crore years ago40 lakh years agoQuestion 7 of 208. What enabled apes to start standing erect about 2 crore years ago?Development of wingsDevelopment of pelvic girdleLoss of brain sizeFormation of tailsQuestion 8 of 209. Which ape is mentioned as the first record of a human-like animal?AustralopithecusRamapithecusDryopithecusEgyptopithecusQuestion 9 of 2010. Approximately when did the South African ape Australopithecus evolve?40 lakh years ago2 crore years ago15 lakh years ago50 thousand years agoQuestion 10 of 2011. When did humans with erect posture first appear according to the document?50 thousand years ago15 lakh years ago2 crore years ago7 crore years agoQuestion 11 of 2012. Who is considered the first example of a wise-man (Homo sapiens)?Cro-Magnon manNeanderthal manRamapithecusAustralopithecusQuestion 12 of 2013. When did the Cro-Magnon man evolve?1.5 lakh years ago50 thousand years ago40 lakh years ago15 lakh years agoQuestion 13 of 2014. When did wise-man start practicing agriculture according to the document?5000 years ago10 thousand years ago200 years ago400 years agoQuestion 14 of 2015. When was the art of writing invented as per the document?10 thousand years ago5000 years ago200 years ago50 thousand years agoQuestion 15 of 2016. What morphological evidence supports evolution according to the document?Structure of bonesSimilarities in leaf shape and venationEmbryonic stagesFossilsQuestion 16 of 2017. What does the similarity in bone structure of human hand, ox foreleg, and whale flipper indicate?Different ancestorsCommon ancestorNo evolutionary relationRecent evolutionQuestion 17 of 2018. What is the purpose of studying fossils in the context of evolution?To understand current speciesTo deduce information about ancient organismsTo predict future evolutionTo synthesize proteinsQuestion 18 of 2019. What evolutionary trend does carbon dating suggest about vertebrates?They originated from mammalsThey originated from invertebratesThey evolved rapidlyThey are unrelated to invertebratesQuestion 19 of 2020. What is the name of the journal where carbon dating results are published?NatureRadio CarbonScienceEvolutionQuestion 20 of 20 Loading...
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