Choose the correct option.

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(A) Option $A$ is correct. Phylum $Annelida$ exhibits bilateral symmetry,metamerism (true segmentation),and they are coelomate animals.Option $B$ is i

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Annelida - Exhibit bilateral symmetry,metamerism and coelom.

Vedclass · Answer

(A) Option $A$ is correct. Phylum $Annelida$ exhibits bilateral symmetry,metamerism (true segmentation),and they are coelomate animals.Option $B$ is incorrect because $Echinodermata$ exhibit organ-system level of organization,not tissue level.Option $C$ is incorrect because $Arthropoda$ possess a complete digestive system,not an incomplete one.Option $D$ is incorrect because in vertebrates,the notochord is replaced by a vertebral column,and the nerve cord is dorsal,not ventral.

Column-$I$	Column-$II$
$(a)$. Planula	$(i)$. Mussel
$(b)$. Glochidium	$(ii)$. Crab
$(c)$. Nauplius	$(iii)$. Obelia
$(d)$. Cysticercus	$(iv)$. Nereis
	$(v)$. Taenia solium

Similar Questions

The appropriate sequence of numbered animals from column-$II$ matching with the sequence of larvae in column-$I$ is
Column-$I$ Column-$II$
$(a)$. Planula $(i)$. Mussel
$(b)$. Glochidium $(ii)$. Crab
$(c)$. Nauplius $(iii)$. Obelia
$(d)$. Cysticercus $(iv)$. Nereis
$(v)$. Taenia solium

Which pair of animals are not included in mammals?

Prepare a list of some animals that are found parasitic on human beings.

Assertion: Lateral line system is found in fishes and aquatic larval amphibians.
Reason: Lateral line system has receptors of sensory cells derived from ectoderm.

$S$ - Statement: The presence of cnidoblasts is a characteristic feature of Cnidarians.
$R$ - Reason: In sponges,amphiblastula or parenchymula larvae are observed.

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