Question

Which one of the following statements is FALSE?

• A. Ammonites have fluted septa.
• B. Brachiopods have a pedicle.
• C. Echinods have genal spines.
• D. Trilobites have a pygidium.

Hint:

Genal spines → Trilobites; Pedicle → Brachiopods; Fluted septa → Ammonites.

Answer 1

The Correct Option is C

Step 1: Evaluating each statement.
(A) True — Ammonites possess complex, fluted septa separating their chambers.
(B) True — Brachiopods attach to the substrate using a pedicle.
(C) False — Genal spines are features of trilobites, not echinoderms.
(D) True — Trilobites consist of cephalon, thorax, and pygidium.
Step 2: Conclusion.
The statement “Echinods have genal spines” is FALSE.