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JAMB Biology 2000 Question 4

Question 4

Support and Movement

The set of fins that controls steering, balancing and change of direction and pitch in fish is

  1. A.dorsal and anal
  2. B.pectoral and pelvic
  3. C.caudal and dorsal
  4. D.anal and pelvic.
Show the answer and explanation

Answer: B (pectoral and pelvic)

Explanation

The paired pectoral and pelvic fins steer the fish, change its direction and control up-and-down tilt (pitch).