Question

Flippers of seal are modified_______.

• A. Fins
• B. Gills
• C. Hindlimbs
• D. Forelimbs

Answer 1

The correct option is D

Forelimbs

The correct option is D:

Explanation of the correct option:

1. Flippers are made by repurposing limbs.
2. Seals are marine mammals having forelimbs equipped with flippers.

Explanation of the incorrect options:

Option A:

1. Fins are little appendages or parts that are attached to a bigger body or structure.
2. Fins are commonly employed as foils to generate lift and thrust, as well as to guide and stabilize motion.

Option B:

In many aquatic organisms, a gill is a respiratory organ that collects dissolved oxygen from the water and excretes carbon dioxide.

Option C:

A rear limb is a pair of articulated appendages fused to the caudal end of a terrestrial tetrapod vertebrate's body.

Final answer: Flippers of seal are modified Forelimb.