Plant Analytical Questions

Plant Analytical Questions

Plant Structures and Function

Part 1: Use the following diagram of a seedling to answer these questions.

  1. What tropisms are being exhibited by the various parts of this seedling?




  1. 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.