261634 'Comb-plate' is the characteristic feature of

261635 In which animal nerve cell is present but brain is absent : -

261636 Which of these is not a cnidarian?

261637 The true statement regarding corals is:

261634 'Comb-plate' is the characteristic feature of

261635 In which animal nerve cell is present but brain is absent : -

261636 Which of these is not a cnidarian?

261637 The true statement regarding corals is:

261634 'Comb-plate' is the characteristic feature of

261635 In which animal nerve cell is present but brain is absent : -

261636 Which of these is not a cnidarian?

261637 The true statement regarding corals is:

261634 'Comb-plate' is the characteristic feature of

261635 In which animal nerve cell is present but brain is absent : -

261636 Which of these is not a cnidarian?

261637 The true statement regarding corals is: