Question

Why is pollination done during the day

Answer 1

Bees have to sleep too. Might as well do it at night, since so few of them are instrument rated for night-time flying.

Answer 2

second sentence of the Explanation.

Step-by-step explanation:

Pollination is mutually beneficial to plants and to pollinators. Pollination results in the production of seeds and is necessary for many plants to reproduce. Meanwhile, pollinators receive nectar and/or pollen rewards from the flowers that they visit.