Question
Differentiate between
Self-Pollination and Cross-Pollination.
Self-Pollination and Cross-Pollination.
| Basis of Comparison | Self-Pollination | Cross-Pollination |
| Definition | The transfer of pollen grains from the anther to the stigma of the same flower or the stigma of another flower on the same plant is called self-pollination. | The transfer of pollen grains from the anther to the stigma of another flower on a different plant of the same species is known as cross-pollination. |
| Pollen Transfer | It occurs within a flower or between two flowers of the same plant. | It occurs between two flower borne on different plants of the same species. |
| Pollinator | Not required, because it occurs on the same flower. | Pollinators like wind and insects are required. |
| Process | Slow process | Fast process |
| Pollen grains | Produced in small number. | Produced in large number. |
| Flower type | Flowers are not attractive. | Flowers attract insects by various means like colored petals, scent and nectar. |
| Example | It occurs in pea, mustard etc. | It occurs in papaya, apple etc. |
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
| $A$ | $B$ |
| $1.$ anaemia | $a.$ deficiency of vitamin $A$ |
| $2.$ night blindness | $b.$ deficiency of itamin $B$ |
| $3.$ rickets | $c.$ deficiency of iodine |
| $4.$ beriberi | $d.$ deficiency of vitamin $C$ |
| $5.$ scurvy | $c.$ deficiency of iodine |
| $6.$ goitre | $e.$ deficiency of iron |
| $f.$ deficiency of vitamin $D$ |