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#4 | Origin of Life: Chemical Evolution: 2
(Zoology) > Evolution

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The first organisms were 

1. chemoautotrophs

2. chemoheterotrophs

3. autotrophs

4. eukaryotes

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Level 2: 60%+
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Which of these are considered most essential in the origin of life?

1. Enzymes

2. Nucleic acids

3. Carbohydrates

4. Proteins

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AIIMS - 2001
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Basis of life are 

1. nucleic acids 2. proteins
3. nucleoproteins 4. amino acids
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AIIMS - 2011
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The mechanism of non cellular aggregates of giant macromolecules to cell with membranous envelop is

1. Natural selection
2. Not known
3. Mutation
4. Recombination

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