Answer
f. Phototropism.
Work Step by Step
Positive phototropism is the growth of the plant towards the light source. So, bending of a shoot towards light is considered phototropism.
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.