Question

The sucker of Remora is modification of

• A. Dorsal fin
• B. Pectoral fin
• C. Mouth
• D. Operculum

Answer 1

The correct option is A Dorsal fin

A. Dorsal fins are present as single and located at the back of the body of fish.

B. Pectoral fins are two in number and hence, are paired. These fins are called fish's arm and are located on each side of the body of fish.

C. Mouth is the organ by which fish ingests food and many other functions are associated with the mouth.

D. The operculum is the gill cover.

Remora is also known as suckerfish. The sucker of Remora is the modification of the dorsal fin. So, the correct answer is 'Dorsal fin'.