Animal Kingdom

Multiple Choice Questions

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chloragogen cells help in 

  • respiration

  • reproduction

  • circulation

  • nutrition

D.

nutrition

Chloragogen cells or yellow cells are present in the region of intestine in Pheretima. The exact function of these cells is not fully known but it is believed that they are concerned with storage of reserve food and also excretory in function. Chloragogen cells are analogous to liver of vertebrates.

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    In contrast to annelids the platyhelminthes show

    • radial symmetry

    • presence of pseudocoel

    • bilateral symmetry

    • absence of body cavity

    Answer

    Trochophore is the larva of

    • Neopilina

    • Chiton

    • Pila

    • All of these

    Answer

    Mantle, foot and shell are the characteristics of

    • Nautilus

    • Echinus

    • Limulus

    • Euplectella

    Answer

    Chloragogen cells of earthworms are analogous to vertebrate

    • lungs

    • liver

    • gut

    • kidneys

    Answer
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    Food storage in Leucosolenia occur by

    • ostia

    • osculum

    • thesocyte

    • spongocoel

    Answer

    Which of the following character is present essentialy in chordates 

    • Ventral spinal chord

    • Dorsal heart

    •  Pharyngeal gill slits

    • Blood flow in forward direction in ventral blood vessels

    Answer

    'Sea fan' belongs to

    • Coelenterata

    • Porifera

    • Echinodermata

    • Mollusca

    Answer

    Number of cranial nerves in frog

    • 10 pairs 

    •  9 pairs 

    • 12 pairs 

    • none of these

    Answer
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    Class Crustacea differs from lnsecta in having

    • two pairs of antennae

    • jointed foot

    • chitinous cuticle

    • none of the above

    Answer
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