Maharashtra SSC (Class 10) Heredity and Evolution — practice questions
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Practice Maharashtra SSC (Class 10) Heredity and Evolution in the app →Heredity is best described as the transfer of biological characters from one generation to the next through whWho is regarded as the pioneer of modern genetics for his research on heredity?Whose mutational theory of 1901 explained the reasons behind sudden hereditary changes?The trio of Avery, McCarty and McLeod proved in 1944 that the genetic material in all living organisms except During transcription, mRNA is synthesised using how many of the two strands of a DNA molecule?In RNA, which nitrogen base takes the place of the thymine that is found in DNA?How many nucleotides make up the triplet codon that codes for a single amino acid?Which Indian-origin scientist received the 1968 Nobel Prize for his work on triplet codons for the 20 amino acOn a tRNA molecule, the sequence that is complementary to the codon on mRNA is called the:The amino acids brought in by tRNA are joined together by peptide bonds with the help of which molecule?The stepwise movement of the ribosome along mRNA by a distance of one triplet codon is termed:A sudden change in a gene, such as a nucleotide shifting its position, is known as a:Which genetic disorder is given as an example of a condition that can be caused by a mutation?Evolution is best defined as the change occurring in living organisms that takes place:According to the text, life is said to have been non-existent on the Earth until approximately how long ago?Similarities in mouth structure, eye position and body hair among different animals are classed as which evideThe similar bone and joint structure in the human hand, whale flipper and bat patagium is taken as which evideDegenerated or underdeveloped useless organs present in an organism's body are called:Which of the following is listed as a vestigial organ present in the human body?The preserved remnants and impressions of organisms buried underground after disasters are known as:The age of a fossil is estimated by measuring radioactivity and the ratio of which isotope to C-12?Who developed the carbon dating method and received the 1960 Nobel Prize for it?Animals such as Peripatus, which show characters of two different groups, are described as:The duck-billed platypus is considered a connecting link because it lays eggs like reptiles yet shows which maThe strong similarity among the early embryos of different vertebrates is taken as evidence that these animalsIn which book did Charles Darwin publish his theory of natural selection?The central idea preached by Darwin's theory of natural selection is the:Lamarck's explanation that an organ becomes strong or weak according to how much it is used is called the prinLamarck used the long neck of the giraffe to illustrate the inheritance of which kind of characters?Which part of Lamarck's theory was rejected after repeated verification?A species is defined as a group of organisms that can produce fertile individuals through:Apart from genetic variation, which type of isolation is stated to lead to speciation?The first record of a human-like animal is preserved in the form of which ape from North India and East AfricaThe wise-man, whose brain was sufficiently evolved about fifty thousand years ago, is known by the scientific Which is regarded as the first example of wise-man (Homo sapiens) in human evolution?