You may have observed plants rotate towards a light source, thereby increasing the plant's ability to intercept light energy and increase photosynthesis. You, however, are given the task of preventing grass seedlings from rotating toward the light. Using your knowledge of phototropism, which of the following experimental procedures would you use to complete your task?
a. Cover the growing tip of the grass seedling with black paper.
b. Supply the seedlings with very dim light (red light does not induce a bend).
c. Cover the portion of the seedling below the tip with a black shield.
d. Supply the seedling with nutrient-rich fertilizer solution.
Frequently Asked Questions
What scientific concept do you need to know in order to solve this problem?
Our tutors have indicated that to solve this problem you will need to apply the Phototropism concept. You can view video lessons to learn Phototropism. Or if you need more Phototropism practice, you can also practice Phototropism practice problems.
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Based on our data, we think this problem is relevant for Professor Herrick's class at UCONN.