Human Evolution — Important Questions
ICSE · Class 12 · Biology
130 important questions from Human Evolution for ICSE Class 12 Biology, with answers. Includes mcq, multiple choice and multiple correct questions.
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Important Questions from Human Evolution
The Miller-Urey experiment simulated early Earth conditions and produced:
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Amino acids and organic molecules
Miller and Urey (1953) used H₂, CH₄, NH₃, and H₂O with electric sparks (simulating lightning) and produced amino acids and other organic molecules, supporting the Oparin-Haldane hypothesis of chemical evolution.
Lamarck's theory of evolution was based on:
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Inheritance of acquired characteristics
Lamarck proposed that characteristics acquired during an organism's lifetime are passed on to offspring. This theory was later disproved, as acquired characters are not heritable.
Which hominid is called "Handy Man" and was the first to make stone tools?
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Homo habilis
Homo habilis ("Handy Man") is so named because it was the first hominid known to make and use stone tools (Oldowan culture). It lived about 2.5–1.5 million years ago in Africa.
Darwin's theory of evolution is based on:
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Natural selection and survival of the fittest
Darwin's theory: heritable variation exists in populations; individuals with favourable variations survive and reproduce more successfully (natural selection), passing on their traits to future generations.
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