Which Experiment Might Be Performed by a Biologist Who Is

question 46

Multiple Choice

Which experiment might be performed by a biologist who is interested in determining which plant organs (stems, buds, leaves, etc.) are responsible for sensing photoperiod?

• A) Remove the apical meristems from different parts of the plant.
• B) Measure auxin levels in different parts of the plant before and after exposure to light.
• C) Cover different plant organs with a foil covering to prevent light exposure.
• D) Expose the plants to different wavelengths of light.

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Definitions:

Manifest Content

The apparent and remembered content of a dream, as distinguished from its hidden or symbolic meanings, according to Freudian psychology.

Poetic

Relating to or characteristic of poetry, including qualities of aesthetic beauty, emotional expression, and rhythmic language.

Realistic

Pertaining to or representing conditions and situations as they actually are, often used to describe a practical and pragmatic approach to problems.

Psychoanalytic Theory

A psychological theory developed by Freud that emphasizes unconscious motivations and conflicts as driving human behavior.