Consider the following organisms:

  1. Codfish
  2. Goatfish
  3. Hagfish
  4. Dogfish

Which of the above is/are true fish(es)?

Answer: [C] Only 1, 2 & 4

Hagfish is not a true fish. It is a member of phylum chordata and is a  jawless vertebrate. 

This question is a part of GKToday's Integrated IAS General Studies Module