Which one of the following is incorrect about the characteristics of protobionts (coacervates and microspheres) as envisaged in the abiogenic origin of life?
1. They could separate combinations of molecules from the surroundings
2. They were able to reproduce
3. They were partially isolated from the surroundings
4. They could maintain an internal environment

Subtopic:  Origin of Life: Chemical Evolution: 1 | Origin of Life: Chemical Evolution: 2 | Origin of Life |
Level 4: Below 35%
AIPMT - 2008
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The concept of chemical evolution is based on:

1. crystallization of chemicals
2. interaction of water, air, and clay under intense heat
3. effect of solar radiation on chemicals
4. possible origin of life by a combination of chemicals
under suitable environmental conditions

Subtopic:  Origin of Life: Chemical Evolution: 1 | Origin of Life: Chemical Evolution: 2 | Origin of Life |
 89%
Level 1: 80%+
AIPMT - 2007
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There is no life on the moon due to the absence of:

1. O2

2. Water

3. Light

4. Temperature

Subtopic:  Origin of Life |
Level 3: 35%-60%
AIPMT - 2002
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First life on earth was:
1.  Cyanobacteria
2.  Chemohetrotrophs
3.  Autotrophs
4.  Photoautotrophs

Subtopic:  Origin of Life |
 73%
Level 2: 60%+
AIPMT - 2001
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In present times, the origin of life is not possible from inorganic compounds due to:
1. Non-availability of raw material
2. High concentration of O2 in the atmosphere
3. Decrease in temperature
4. Excess of pollution

Subtopic:  Origin of Life |
 63%
Level 2: 60%+
AIPMT - 1998
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