Animal Kingdom

Multiple Choice Questions

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The intermediate host of Schistosoma is

  • Snail

  • mosquito

  • housefly

  • sheep

A.

Snail

Schistosoma mansoni is the common human blood fluke. It belongs to class- Trematoda of Platylhelminthes. Blood fluke is digentic, primary host is man and secondary host id snail.


Sheep is the primary host of Fasciola hepatics (sheep liver fluke), causing 'liver rot'. Its secondary host is also the snail.


Mosquito and housefly are not found to be the intermediate host of any animal.

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    In sea anemone, the symmetry is

    • radial

    • bilateral

    • spherical

    • absent

    Answer

    Tuberllarians are free living

    • nematodes

    • cestodes

    • flat worms

    • trematodes

    Answer

    Connecting link between annelids and molluscs is

    • Neopilina

    • Peripatus

    • Periplaneta

    • Limulus

    Answer

    The excretory material of bony fish is

    • urea

    • protein

    • ammonia

    • amino acid

    Answer
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    Moulting hormone is secreted by

    • corpora cardacum

    • corpora allata

    • neurosecretory hormone

    • prothoracic gland

    Answer

    In Mollusca, eye is present over a stalk, called

    • ostracum

    • operculum

    • ommatophores

    • osphradium

    Answer

    The characteristic larva of Phylum- 'Coelenterata' is

    • planula

    • cysticercus

    • rhabdiform

    • wriggler

    Answer

    Solenocytes are associated with

    • respiration

    • digestion

    • excretion

    • nutrition

    Answer
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    Shell of molluscs is derived from

    • foot

    • mantle

    • ctenidia

    • placoid

    Answer
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