Couplet represents the choice made between two opposite options. This results in acceptance of only one and rejection of the other. (True/False)

Answer

To solve the question, we need to analyze the definition and function of a couplet in the context of taxonomy.

### Step-by-Step Solution:

1. **Understanding the Term "Couplet":**
- A couplet is a term used in taxonomy and biological classification. It refers to a pair of contrasting statements or options that help in the identification of organisms.

2. **Role of Couplets in Taxonomy:**
- In taxonomic keys, couplets provide two opposing choices based on specific characteristics of organisms. For example, a couplet might present two options: "Has leaves" or "Does not have leaves."

3. **Decision-Making Process:**
- When using a couplet, the user must choose one of the two options presented. This decision leads to the acceptance of one characteristic and the rejection of the other.

4. **Conclusion:**
- Given that a couplet indeed represents a choice between two opposite options and results in the acceptance of one and rejection of the other, the statement in the question is true.

### Final Answer:
**True**

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