Q. Which of the following are detritivores?
1. Earthworms
2. Jellyfish
3. Millipedes
4. Seahorses
5. Woodlice
Select the correct answer using the code given below.

[A] 1, 2 and 4 only

[B] 2, 3, 4 and 5 only

[C] 1, 3 and 5 only

[D] 1, 2, 3, 4 and 5

Answer: C
Notes:

Why this question:  Important static topic: 

Ans) c 

Exp) Option c is correct. 

Detritivores are heterotrophs that obtain their nutrition by feeding on detritus i.e. dead or decaying plants or animals.  

Statements 1, 3 and 5 are correct. 

Earthworms, Millipedes and Woodlice are detritivores. Detritivores include microorganisms such as bacteria and fungi; invertebrate insects such as mites, beetles, butterflies and flies; mollusks such as slugs and snails; or soil-dwelling earthworms, millipedes and woodlice. 

Jellyfish is carnivorous and Sea horse is also primarily a carnivorous animal. 

Source) https://biologydictionary.net/detritivore/ 

Subject) Environment