- 1(current)
Q. No.Panspermia, an idea that is still a favorite for some astronomers, means:
| 1. | Creation of life from dead and decaying matter |
| 2. | Creation of life from chemicals |
| 3. | Origin of sperm in human testes |
| 4. | Transfer of spores as a unit of life from other planets of Earth |
Subtopic: Â Origin of Life |
 88%
Level 1: 80%+
NEET - 2022
Hints
After about how many years of the formation of the earth, life appeared on this planet?
1. 500 billion years
2. 50 million years
3. 500 million years
4. 50 billion years
Subtopic: Â Examples of Chemical Evolution |Â Origin of Life |
 78%
Level 2: 60%+
NEET - 2020
Hints
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: Â Origin of Life: Chemical Evolution: 1 |Â Origin of Life |
Level 3: 35%-60%
NEET - 2016
Hints
Following are the two statements regarding the origin of life:
Of the above statements, which one of the following options is correct?
| 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. |
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
2. Both I and II are correct
3. Both I and II are false
4. I is correct but II is false
Subtopic: Â Origin of Life: Chemical Evolution: 2 |Â Origin of Life |
 75%
Level 2: 60%+
NEET - 2016
Hints
- 1(current)
Q. No.
© 2026 GoodEd Technologies Pvt. Ltd.