According to recent proof, the life on earth emerged approximately
A. Before 20,000 years
B. Before 2,00,000 years
C. Before 20,00,000 years
D. Before 2,000,000,000 years
Answer: Option D
This Question Belongs to Biology GK Chapter Wise >> Cell Biology
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The plasma membrane is covered by a cell wall in cells of
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D. All of the above
A. Robert Brown
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D. Rudolf Virchow
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