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4 years ago Palak23 class 12 evolution Genetic drift operates only in (a) larger populations (b) Mendelian populations (c) island populations (d) smaller populations 4 years ago Palak23 class 12 evolution The Hardy-Weinberg principle cannot operate if (a) a population does not migrate for a long time to a new habitat. (b) frequent mutations occur in the population 4 years ago Palak23 class 12 evolution Hardy-Weinberg equilibrium is known to be affected by gene flow, genetic drift mutation, genetic recombination and 4 years ago Palak23 class 12 evolution At a particular locus, frequency of allele A is 0.6 and that of allele a is 0.4. What would be the frequency of heterozygotes in a random mating population at equilibrium? 4 years ago Palak23 class 12 evolution Single step large mutation leading to speciation is also called 4 years ago Palak23 class 12 evolution Which one of the following scientist’s name is correctly matched with the theory put forth by him? 4 years ago Palak23 class 12 evolution “Human population grows in geometric ratio while food materials increase in arithmetic proportion”. It is a statement from 4 years ago Palak23 class 12 evolution Which of the following evidence does not favour the Lamarckian concept of inheritance of acquired characters? 4 years ago Palak23 class 12 evolution According to Lamarckism, long necked giraffes evolved because 4 years ago Palak23 class 12 evolution Which of the following are the two key concepts of Darwinian theory of evolution? 4 years ago Palak23 class 12 evolution By the statement ‘survival of the fittest’, Darwin meant that 4 years ago Palak23 class 12 evolution Which one is not a vestigial organ? (a) Wings of kiwi (b) Coccyx in man (c) Pelvic girdle of python (d) Flipper of seal 4 years ago Palak23 class 12 evolution Which is not a vestigial organ in man? (a) Nictitating membrane (b) Tail vertebrae (c) Vermiform appendix (d) Nails 4 years ago Palak23 class 12 evolution The presence of gill slits, in the embryos of vertebrates, supports the theory of 4 years ago Palak23 class 12 evolution The phenomenon ‘ontogeny repeats phylogeny’ is explained by 4 years ago Palak23 class 12 evolution Which one of the following phenomena supports Darwin’s concept of natural selection in organic evolution? 4 years ago Palak23 class 12 evolution Phenomenon of ‘industrial melanism’ demonstrates 4 years ago Palak23 class 12 evolution Replacement of the lighter-coloured variety of peppered moth (Biston betularia) to its darker variety (Biston carbonaria) in England is the example of 4 years ago Palak23 class 12 evolution Which of the following statements is True? (a) Wings to birds and insects are homologous organs. (b) Human hands and bird’s wings are analogous organs. 4 years ago Palak23 class 12 evolution Page 4 / 5 Prev 1 2 3 4 5 Next Share: Super Globals Requests: Server: Options and Features route: community use_home_url: url: https://eanshub.com/community/ pageid:187 default_groupid: 3 2022 How Can We Help? Δ Home About Us Contact Us Privacy Policy Term of Use Copyright © 2020 Eanshub All Rights Reserved
