Origin of Life Past Year (2016 - 2018) MCQs Evolution Zoology NEET Practice Questions, MCQs, Past Year Questions (PYQs), NCERT Questions, Question Bank, Class 11 and Class 12 Questions, and PDF solved with answers

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.

1.	I, II, III, IV	2.	I, III, II, IV
3.	II, III, I, IV	4.	II, III, IV, I

Subtopic: Origin of Life: Chemical Evolution: 1 | Origin of Life |

52%

NEET - 2016

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Following are the two statements regarding the origin of life:

I:	The earliest organisms that appeared on the earth were non-green and presumably anaerobes.
II:	The first autotrophic organisms were the chemoautotrophs that never released oxygen.

Of the above statements, which one of the following options is correct?

1. II is correct but I is false
2. Both I and II are correct
3. Both I and II are false
4. I is correct but II is false

Subtopic: Origin of Life: Chemical Evolution: 2 | Origin of Life |

79%

NEET - 2016

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