Plant Analytical Questions
Plant Structures and Function
Part 1: Use the following diagram of a seedling to answer these questions.

- What tropisms are being exhibited by the various parts of this seedling?
- What hormones are involved in these responses?
Part 2: Use the diagram below to complete lines a – f.
The diagrams represent three conditions of day & night length. A short-day plant, with a critical night length of 14 hours, and a long-day plant, with a critical night length of 8 hours, are grown under each condition. On lines a – f, indicate whether each plant will flower under each condition.

