Adaptations for Aquatic and Aerial Movement · NCERT Biology

Which feature of fish fins mainly helps in maintaining stability during swimming?

  1. Caudal fin for propulsion
  2. Dorsal and anal fins together
  3. Pectoral fins on the sides
  4. Pelvic fins on the underside
Show answer and explanation

Correct answer: Dorsal and anal fins together

Dorsal and anal fins act as keels that resist rolling of the body during swimming. Together they maintain lateral stability and balance.

Difficulty: Medium Question 29 of 40

Practice all 40 Adaptations for Aquatic and Aerial Movement questions

Keep practicing

More Adaptations for Aquatic and Aerial Movement questions