Which one of the following groups of three animals is correctly matched with their one characteristic morphological feature?
$Option$AnimalsMorphological features
$(a)$Scorpion,spider,cockroachVentral solid central nervous system
$(b)$Cockroach,locust,TaeniaMetameric segmentation
$(c)$Liver fluke,sea anemone,sea cucumberBilateral symmetry
$(d)$Centipede,prawn,sea urchinJointed appendages

  • A
    $(a)$
  • B
    $(b)$
  • C
    $(c)$
  • D
    $(d)$

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Similar Questions

Column $-I$ contains the organs of locomotion and Column $-II$ contains the phyla in which they are found. Select the correct combination of the two columns:
Column $-I$Column $-II$
$(A)$ Pseudopodia$(i)$ Mollusca
$(B)$ Parapodia$(ii)$ Chondrichthyes
$(C)$ Muscular foot$(iii)$ Protozoa
$(D)$ Fins$(iv)$ Annelida

Column $-II$ below consists of brief descriptions of organisms in column $-I$. Which of the following is an incorrect match between column $-I$ and column $-II$?
Column $-I$ Column $-II$
$A$. Millipede Terrestrial organism with two pairs of jointed appendages attached to each of its many body segments and respires through trachea.
$B$. Nereis Numerous setae on lateral appendages called parapodia.
$C$. Taenia solium Body is covered with cuticle,alimentary canal absent.
$D$. Ctenophores Radially symmetrical,devoid of cnidoblasts,polyp stage present in their life cycle.

Which of the following is an incorrect pair regarding the classification of organisms?

Which of the following pairs is mismatched?

Statement $X$: All chordates are not vertebrates.
Reason $Y$: $Balanoglossus$ is not a vertebrate.

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