Exp) Option b is the correct answer.

A parasitoid is an organism that has young that develop on or within another organism (the host), eventually killing it. Parasitoids have characteristics of both predators and parasites.

Option 1, 3 and 5 are corect. Parasitoids include species of wasps, flies (e.g. tachinid flies), carbid beetles and worms (e.g. gordian worms).

Option 2 is incorrect. Some Centipedes are predators, but they are not parasitoids.

Option 4 is incorrect. Unlike most insects, termites have no known parasitoids.

Source: https://australian.museum/learn/animals/insects/predators-parasites-and-parasitoids/

https://zoo-web02.zoo.ox.ac.uk/group/west/pdf/West-Para-2001.pdf

https://link.springer.com/referenceworkentry/10.1007/978-1-4020-6359-6_492#:~:text=Several%20genera%20of%20carabid%20beetles,in%20the%20Diptera%20and%20Hymenoptera.