An important evidence in favor of organic evolution is the occurrence of 
1. Homologous and vestigial organs 
2. Analogous and vestigial organs
3. Homologous organs only
4. Homologous and analogous organs 

Subtopic:  Examples of Chemical Evolution |
 50%
From NCERT

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After about how many years of the formation of the earth, life appeared on this planet?

1. 500 billion years

2. 50 million years

3. 500 million years

4. 50 billion years

Subtopic:  Examples of Chemical Evolution | Origin of Life |
 75%
From NCERT
NEET - 2020

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