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221.

Select the correct set of animals of Class- Mammalia.

222.

Respiration in Ascaris is

223.

Comb jelly is member of phylum

224.

Jaws present in which of the following?

Spider

Spider belongs to Class- Arachanida. It has 4 pairs of leg and their body is divisible into cephalothorax and abdomen.

Grasshoppers belong to Sub- order Caelifera. They have powerful hind legs which allow them to escape from threats.

Flies belong to Order- Diptera. They have a pair of functional wings for flight and a pair of vestigial hindwings for balance.

Bees are flying insects. They have their role in pollination.

226.

Microlecithal eggs are present in

227.

Digestion in Leucosolenia and other sponges is

228.

A cysticerous in pig muscles can remain alive for

229.

Tube within tube plan is exhibited by which of the following groups of animals?

230.

Molluscan blood contains