Question

One of the representatives of phylum Arthropoda is

• A. Puffer fish
• B. flying fish
• C. silverfish
• D. cuttlefish

Answer 1

The correct option is C

silverfish

The correct option is option C.

The explanation for the correct option:

1. Arthropoda is an invertebrate
2. Arthropoda has two-thirds of species on the Earth. It is the largest phylum.
3. The exoskeleton of Arthropoda is a chitinous exoskeleton.
4. The body consists of the head, thorax, and abdomen.
5. They have jointed appendages.
6. Silverfish have characteristics that of Arthropoda.

The explanation for the incorrect option:

Option A

1. Pufferfish are bony fish.
2. They have 4 pairs of gills covered by operculum on each side.
3. They belong to the family Tetraodontidae.
4. They are exclusively marine.
5. Pufferfish in defense puff up and their size is double the size.
6. For their defense, they include the spine and they taste foul
7. Their body is covered by the spine.
8. They contain poisonous substances like tetrodotoxin which is harmful to humans and fishes.

Option B

1. Flying fish are bony fish.
2. They are Vertebrate.
3. The air bladder is present.
4. They belong to the family Exocoetidae.
5. They are temperate and tropical marine species.
6. They have excellent gliding ability.
7. They have big pectoral fins and shorter pelvic fins that enable them to glide longer distances.
8. They glide to protect themselves from predators.
9. They feed on phytoplankton.

Option D

1. Cuttlefish belong to the phylum Mollusca.
2. It is an invertebrate.
3. The body is covered by a calcareous shell called a mantle.
4. The mouth has a file-like rasping organ for feeding, called a radula.

Final answer: Silverfish belong to the phylum Arthropoda