Match the following : Column I Column II A . Recent Era (I) Mesozoic B . Origin of the Universe (II) Coenozoic C . Origin of first cellular life form (III) 20 billion years ago D . Era of Reptiles (IV) 2 billion years ago

Question

Match the following : Column I Column II A . Recent Era (I) Mesozoic B . Origin of the Universe (II) Coenozoic C . Origin of first cellular life form (III) 20 billion years ago D . Era of Reptiles (IV) 2 billion years ago, A-II, B-III, C-I, D-IV, A-III, B-II, C-I, D-IV, A-II, B-III, C-IV, D-I, A-III, B-II, C-I, D-IV

MARKS App · Accepted Answer

The Big Bang theory explains the origin of the Universe which have been occurred about 20 billion years ago. The origin of the Solar system and the Earth supposed to have been formed about 4.5 billion years ago. First non-cellular form of life have been originated about 3 billion and first cellular form of life have been originated about 2 billion years ago. The Jurassic period of Mesozoic Era is known as the "Age of Reptiles" and the Cenozoic Era is marked as the "Era of modern life".

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	Column I		Column II
$A .$	Recent Era	(I)	Mesozoic
$B .$	Origin of the Universe	(II)	Coenozoic
$C .$	Origin of first cellular life form	(III)	20 billion years ago
$D .$	Era of Reptiles	(IV)	2 billion years ago