ZoologyGiven below are the animal phyla and their general characters.            PhylumCharactersi)Ctenophoraa) Sexes are separateb) Only sexual reproductionii)Cnidariaa) All have tentaclesb) Mostly marineiii)Echinodermataa) Endoskeleton has calcareous ossiclesb) Larvae have radial symmetryiv)Arthropodaa) Statocystsb) Mostly oviparousChoose the option that shows correct general characters.

Given below are the animal phyla and their general characters.

           

 PhylumCharacters
i)Ctenophora

a) Sexes are separate

b) Only sexual reproduction

ii)Cnidaria

a) All have tentacles

b) Mostly marine

iii)Echinodermata

a) Endoskeleton has calcareous ossicles

b) Larvae have radial symmetry

iv)Arthropoda

a) Statocysts

b) Mostly oviparous

Choose the option that shows correct general characters.

  1. A

    iii and iv

  2. B

    ii and iv

  3. C

    i and ii

  4. D

    i and iii

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    Solution:

    In Ctenophora sexes are not separate.

    In Echinodermata, larva exhibit bilateral symmetry and adult shows pentaradial symmetry.

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