Entry Test MCQ :: Biology Diagnostic Test

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The first eukarotes appeared about ______ years ago

[A].	1.5 billion	[B].	2.5 billion
[C].	3.5 billion	[D].	4.5 billion

Answer: Option A

Messy said:

According to textbook its 3000M that means its 3 Billion and the actual value is 2.7 billion....so option B should be the right one.