| Self-Pollination | Cross Pollination |
| 1. It is a certain process | 1. It is an uncertain process |
| 2. Pollen grains are less wasted | 2. Pollen grains are more wasted |
| 3. Offspring are less healthier | 3. Offspring are much healthier |
| 4. Seeds are less visible | 4. Seeds are more visible |
| 5. It takes place between flowers of same genotype or within a single flower | 5. It takes place between flowers of different genotypes. |
| 6. Basic characters are not altered | 6. Basic characters are altered |
| 7. Germinating capacity is not good | 7. Germinating capacity is much better |
| 8. New characters are not formed | 8. New characters are formed |
| 9. Degeneration of species takes place | 9. Gradual prominence of species takes place |
| 10. New species is not formed | 10. New species is formed |
| 11. It has no role in evolution | 11. It plays important role in evolution |
| 12. Quality deteriorates through generation | 12. Quality improves through generation |