Question

Key is a taxonomical aid used for the identification of organisms. Each statement in the key is called a

• A. Couplet
• B. Lead
• C. Both A and B
• D. None of the above

Answer 1

The correct option is B

Lead

The correct option is B.

Explanation for correct option:

1. Key is a tool used in taxonomy to identify unknown species.
2. It involves a series of contradictory statements referred to as the couplet.
3. The statement of the couple is known as the lead.

Explanation for incorrect option:

Option A:

A couplet refers to a pair of contrasting statements/characters utilized for the identification of organisms.

Option C:

This is incorrect as only Option B is correct.

Option D:

This is an incorrect option as only Option B is correct.

Final answer: Key is a taxonomical aid used for the identification of organisms. Each statement in the key is called a Lead.