Origin and Evolution of Life and Introduction to Classification — Important Questions
Telangana Open School (TOSS) · Class 12 · Biology
43 important questions from Origin and Evolution of Life and Introduction to Classification for Telangana Open School (TOSS) Class 12 Biology.
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Important Questions from Origin and Evolution of Life and Introduction to Classification
What were the first forms of life on Earth?
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Heterotrophs
The earliest life forms were heterotrophs, depending on organic molecules in the environment for nutrition.
Which experiment simulated early Earth conditions to produce organic molecules?
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Miller-Urey experiment
Stanley Miller and Harold Urey conducted an experiment using gases like CH₄, NH₃, H₂, and H₂O with electric discharge to produce amino acids.
What are the building blocks of proteins?
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Amino acids
Amino acids are the monomers that form proteins through peptide bonds.
Which of the following is a vestigial organ in humans?
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Vermiform appendix
The vermiform appendix is a vestigial organ, functional in ancestors but reduced in humans.
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