MCQ Science and Technology Part II Class 10 Chapter 1 Maharashtra Board Heredity and Evolution 1. What is heredity according to the document?Transfer of biological characters from one generation to another via genesFormation of new species due to natural selectionSynthesis of proteins in the cellMutation in the nucleotide sequenceQuestion 1 of 202. Who is considered the pioneer of modern genetics?Charles DarwinGregor Johann MendelHugo de VriesOswald AveryQuestion 2 of 203. In which year did Hugo de Vries propose the mutational theory?1901190219441961Question 3 of 204. Who observed paired chromosomes in grasshopper cells in 1902?Francois JacobWalter SuttonJack MonodMclyn McCartyQuestion 4 of 205. Which scientists proved that DNA is the genetic material in most living organisms in 1944?Oswald Avery, Mclyn McCarty, Colin McLeodFrancois Jacob, Jack MonodCharles Darwin, Jean-Baptiste LamarckGregor Mendel, Hugo de VriesQuestion 5 of 206. What did Francois Jacob and Jack Monod propose in 1961?Theory of natural selectionModel for protein synthesis in bacterial cellsMutational theoryStructure of DNAQuestion 6 of 207. What is the primary use of the science of heredity mentioned in the document?Space explorationDiagnosis, treatment, and prevention of hereditary disordersWeather predictionAgricultural pest controlQuestion 7 of 208. What is the process called when mRNA is produced from a DNA strand?TranslationTranscriptionTranslocationMutationQuestion 8 of 209. What is the term for the process where amino acids are bonded to form proteins as per the mRNA code?TranscriptionTranslocationTranslationReplicationQuestion 9 of 2010. What is the movement of the ribosome along mRNA during protein synthesis called?TranscriptionTranslationTranslocationMutationQuestion 10 of 2011. Who discovered the triplet codons for 20 amino acids?Charles DarwinHar Govind KhoranaJean-Baptiste LamarckWillard LibbyQuestion 11 of 2012. What is a triplet codon?A sequence of three amino acidsA sequence of three nucleotides coding for an amino acidA type of mutationA protein structureQuestion 12 of 2013. What replaces thymine in RNA compared to DNA?AdenineGuanineCytosineUracilQuestion 13 of 2014. What is the term for the sudden change in a gene’s nucleotide sequence?TranscriptionTranslationMutationEvolutionQuestion 14 of 2015. Which genetic disorder is mentioned as an example of a mutation in the document?DiabetesSickle cell anemiaAsthmaHypertensionQuestion 15 of 2016. What is the ‘Central Dogma’ according to the document?Evolution of speciesProtein synthesis from DNA via RNANatural selectionFormation of DNAQuestion 16 of 2017. What is evolution as defined in the document?Rapid changes in living organismsGradual changes in living organisms over a long durationFormation of stars and planetsSynthesis of proteinsQuestion 17 of 2018. Approximately how many years ago did life first appear on Earth according to the document?3.5 billion years7 crore years300 crore years2.5 crore yearsQuestion 18 of 2019. What is the duration of changes leading to evolution as mentioned in the document?100 crore years300 crore years3.5 billion years7 crore yearsQuestion 19 of 2020. What is the accepted theory of evolution according to the document?Big Bang theoryGradual development of living organismsLamarckismSudden mutation theoryQuestion 20 of 20 Loading...
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