Which type of fingerprint pattern has ridges that form concentric circles or spiral patterns?
A. Whorl
B. Arch
C. Loop
D. Composite
Answer:A
Which type of fingerprint pattern has ridges that form concentric circles or spiral patterns?
A. Whorl B. Arch C. Loop D. Composite
Explanation: Whorl is the term used to describe a fingerprint pattern where the ridges form concentric circles or spiral patterns. This pattern is characterized by one or more circular or spiral ridges that encircle a central point, and it is one of the three basic fingerprint pattern types, along with arches and loops.