Classification of Animals
Classification of Animals: Overview
This topic covers concepts, such as, Cnidoblast, Catla, Ornithorhynchus & Macropus etc.
Important Questions on Classification of Animals
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?


Hydra receives impulses and stimuli through

What is left, when bath sponges dries up?

Gemmule formation in sponges are useful in

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

Antedon belongs to which of the following class?



Malignant tertain malaria is caused by

The poisonous fluid present in nematocyst of Hydra is

Power of regeneration in sponges is due to

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

Which is the example of Platyhelminthes?

The connecting link between annelida and mollusca is
