The first cellular form of life did not possibly originate until:

  • A
    About $2$ billion years ago
  • B
    About $2000$ billion years ago
  • C
    About $500$ million years ago
  • D
    About $2$ billion years ago

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Similar Questions

Explain the Big Bang theory in the context of the origin of the universe.

Oparin and Haldane's theory is also called

Which of the following is the correct sequence of events in the origin of life?
$I.$ Formation of protobionts
$II.$ Synthesis of organic monomers
$III.$ Synthesis of organic polymers
$IV.$ Formation of $DNA$-based genetic systems

The swan-necked flask experiment proved:

According to which theory, all living organisms that we see today were created in this same form?

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