Origin of Life Theories
Biology ⇒ Evolution and Diversity
Origin of Life Theories starts at 10 and continues till grade 12.
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See sample questions for grade 11
Describe one piece of evidence that supports the RNA world hypothesis.
Describe one reason why the study of meteorites is important for understanding the origin of life.
Describe the concept of chemical evolution in the context of the origin of life.
Describe the main idea of the 'deep-sea vent' hypothesis for the origin of life.
Explain the main difference between abiogenesis and biogenesis theories.
Explain the significance of the discovery of ribozymes in the study of the origin of life.
Explain why oxygen was absent from the early Earth's atmosphere.
Explain why the discovery of extremophiles is important for understanding the origin of life.
The panspermia hypothesis suggests that life on Earth originated from: (1) Deep sea vents (2) Outer space (3) Volcanic eruptions (4) Lightning strikes
Which experiment simulated early Earth conditions and produced amino acids from simple chemicals? (1) Redi’s experiment (2) Miller-Urey experiment (3) Pasteur’s experiment (4) Griffith’s experiment
Which molecule is considered a likely candidate for the first genetic material? (1) DNA (2) RNA (3) Protein (4) Lipid
Which of the following best describes biogenesis? (1) Life arises from non-living matter (2) Life arises from pre-existing life (3) Life arises from outer space (4) Life arises from chemical reactions only
Fill in the blank: The first cell-like structures that may have formed on early Earth are called ___________.
Fill in the blank: The first genetic material is thought to have been ___________ rather than DNA.
Fill in the blank: The first organisms to perform photosynthesis and release oxygen were ___________.
Fill in the blank: The first step in the origin of life is believed to be the formation of simple ___________ molecules.
The Miller-Urey experiment demonstrated that organic molecules could be formed from inorganic precursors under conditions thought to resemble those of early Earth. True or False?
True or False: Protocells are capable of self-replication and metabolism.
True or False: The endosymbiotic theory explains the origin of eukaryotic cells, not the origin of life itself.
True or False: The first living organisms on Earth were likely anaerobic.
