NEET Zoology
Origin Of Life Chemical Evolution 1
Low Priority
Consistency: 15%
Weightage: 3 / 20 Yrs
High-Yield Trend
1
2016 1
2008 1
2007 Questions 3 MCQs
01
PYQ 2007
easy
zoology ID: neet-200
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 |
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02
PYQ 2008
medium
zoology ID: neet-200
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 |
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03
PYQ 2016
medium
zoology ID: neet-201
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 |
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