Phototropism is due to the hormone

Phototropism is due to hormone:

Photoperiodism is due to hormone

Photoperiodism is due to hormone

Phototropism is caused to differential distribution of

Phototropism affects

Phototropism affects

Name the plant hormone that promotes growth. How do this hormones bring about phototropism in the shoots of a plant ?

which of the following is/are not due to hormone ?