What is true about $Nereis$,scorpion,cockroach,and silver fish?

  • A
    They all possess a dorsal heart.
  • B
    None of them is aquatic.
  • C
    They all belong to the same phylum.
  • D
    They all have jointed paired appendages.

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Similar Questions

Make the correct pair:
$1. \text{ Osculum}$$p. \text{ Fasciola}$
$2. \text{ Hypostome}$$q. \text{ Ctenoplana}$
$3. \text{ Comb jellies}$$r. \text{ Spongilla}$
$4. \text{ Hook and sucker}$$s. \text{ Meandrina}$

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

Which character is common in phylum Echinodermata and Chordata?

Match the following columns and select the correct option.
Column-$I$Column-$II$
$(a)$ Gregarious,polyphagous pest$(i)$ Asterias
$(b)$ Adult with radial symmetry and larva with bilateral symmetry$(ii)$ Scorpion
$(c)$ Book lungs$(iii)$ Ctenoplana
$(d)$ Bioluminescence$(iv)$ Locusta

$(a)\quad(b)\quad(c)\quad(d)$

Syncytial epidermal cells are present in

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