You May Have Observed Plants Rotate Towards a Light Source

question 43

Multiple Choice

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.

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Definitions:

Lag Strategy

A business approach where a company chooses to delay action or innovation, often to observe competitors' performance or reduce risk.

Compensation Philosophies

The underlying beliefs and principles that guide how an organization values and rewards its employees' contributions and efforts.

Pay Secrecy

Policies or practices that restrict or prevent employees from sharing information about their salaries or wages with each other.

Distrust

A feeling of doubt about some person or thing's honesty, reliability, or capability.