Question

Look at the picture given below and think in line with the given prompts and find out which type(s) of pollination might have been followed in these flowers -

Tomato	Wheat	Papaya
Stamens cover the stigma.	Flowers open after pollination.	Male and female flowers are often borne on different papaya trees.

Answer 1

• Tomato: self-pollination, because the stamens cover the stigma and pollen can fall directly onto it.
• Wheat: self-pollination, as the given feature suggests pollination occurs before the flower opens, so no external pollinating agent is needed.
• Papaya: cross-pollination, because male and female flowers are borne on different trees, so pollen must be transferred from one tree to another.