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Animal Kingdom

Multiple Choice Questions

91.

The intermediate host of Schistosoma is

Snail
mosquito
housefly
sheep

92.

In Mollusca, eye is present over a stalk, called

ostracum
operculum
ommatophores
osphradium

93.
Tuberllarians are free living

nematodes

cestodes

flat worms

trematodes

flat worms

Tuberllaria is a Class of Phylum- Platyhelminthes. These are free living flat worms and are majorly aquatic. It consists of cilia, unsegmented body, mouth ventral, suckers absent with tango, chemo and photoreceptors, eg, Planaria.

Trematoda is a Class of Phylum- Platyhelminthes. Also known a s flukes, body is without cilia, unsegmented with suckers and hooks, eg, Fasciola etc.

Cestoda is also one of the Class of Phylum- Platyhelminthes. Commonly called tapeworms; are generally without cilia and sense organs, body is segmented, digestive system absent, eg, Taenia.