Select the exotic species of earthworm used in vermicomposting.

Vermicomposting is the process of converting organic waste into nutrient-rich compost using earthworms.

Among the commonly used earthworm species:

Eisenia fetida → Exotic species ✔️
Perionyx excavatus → Indigenous species
Lampito mauritii → Indigenous species

Because Eisenia fetida is highly adaptable, reproduces rapidly, and efficiently converts organic waste into compost, it is the most widely used exotic species in vermicomposting.

Correct Answer: C) Eisenia fetida