Non-Chordates
Non-Chordates: Overview
This Topic covers sub-topics such as Octopus, Corals, Tapeworm, Ascaris, Phylum Platyhelminthes, Bioluminescence, Pila, Phylum Mollusca, Balanoglossus, Sycon, Phylum Arthropoda, Phylum Ctenophora, Liver Fluke, Phylum Porifera, Physalia and, Obelia
Important Questions on Non-Chordates
In Hydra waste material of food digestion and nitrogenous waste material removed from


Which one of the following statements is not correct?

Which one feature is common to leech, cockroach and scorpion?

Which one of the following features is common in silverfish, scorpion, dragonfly and prawn?

Which of the following feature is common to leech, cockroach and scorpion?





Chloragogen cells of earthworm are similar to which organ of vertebrates?

Antedon belongs to which of the following class?




The poisonous fluid present in nematocyst of Hydra is


Paired spermathecae occur in Pheretima in which of the following segments?


The connecting link between annelida and mollusca is
