Question

Identify the locomotory organs in Annelida.

• A. Tube feet
• B. Setae
• C. Pseudopodia
• D. Flagella

Answer 1

The correct option is B

Setae

The correct option is B.

Explanation of correct option:

1. In Annelida, locomotory organs are called setae or parapodia which are made up of chitin.
2. For example, setae are found in each segment of the earthworm's body.

Explanation of incorrect options:

Option A:

1. Tube feet are locomotory organs in the organisms belonging to the phylum Echinodermata.
2. They also secrete and spread a net of sticky mucus that traps small organisms.

Option C:

1. Pseudopodia or false foot is the locomotory organ of Amoeba.
2. It also helps in trapping food for Amoeba.

Option D:

1. Flagella are the locomotory organs in flagellated protozoans.
2. They also have an active role in cell feeding and reproduction.

Final answer: Setae are the locomotory organs in Annelida.