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Biology
Evolution
143 questions from 37 papers, each with its answer.
- 143 questions
- 37 papers
- 4.06% of Biology
Hardy-Weinberg Principle
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A population of diploid organisms is at Hardy-Weinberg equilibrium. If the frequency of allele A is 0.1, the frequency of AA is ________.Reference: NCERT Class XII, page 121. Frequency of allele A = p = 0.1. At Hardy-Weinberg equilibrium, frequency of AA = $p^2=(0.1)^2=0.01$.
Origin and Evolution of Man
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Given below are two statements: Statement I: Modern Homo sapiens arose in Australia and moved across continents. Statement II: Homo sapiens arose around 75000 to 10000 years ago. In the light of the above statements, choose the most appropriate answer from the options given below:Reference: NCERT Class XII, page 125.
Types of natural selection
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Natural selection can lead to _________. (a) stabilisation (b) genetic drift (c) directional change (d) disruption Choose the correct answer from the options given below:Reference: NCERT Class XII, page 120.
Evidences for evolution
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Which of the following is not evidence for evolution?Reference: NCERT Class XII, pages 113–115.
Adaptive radiation and convergent evolution
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Adaptive radiation in placental mammals and Australian Marsupials leading to similarity between distant species is an example of ________.Reference: NCERT Class XII, pages 117, 118.
Homologous organs
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Forelimbs of human and bats are homologous.Reason: Forelimbs of humans and bats have similar anatomical structure.Reference: NCERT Class XII, pages 114, 115.
That is every question in Evolution for this filter.
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