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Phylum Chordata

Animals with ...

Question

Animals with a double ventral notochord, dorsal nerve cord, pharyngeal gill slits and a post anal tail are placed in the highly evolved phylum called_____.

A

Invertebrata

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B

Vertebrata

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C

Hemichordata

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D

Chordata

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Solution

The correct option is D
Chordata

Double ventral notochord, dorsal nerve cord, pharyngeal gill slits and a post anal tail are characteristic features of Phylum Chordata.

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Similar questions

Q. Phylum Chordata is characterised by the presence of
A. notochord
B. dorsal hollow nerve cord
C. paired pharyngeal gill slits

Q. Animals of this phylum have a characteristic feature of presence of notochord, a dorsal hollow nerve cord and paired pharyngeal gill slits. Within this phylum is an advanced group called as vertebrates which include fish, amphibians, reptiles, birds and mammals.

Name the phylum in which dorsal nerve tube, notochord and pharyngeal gill clefts are present.

Q. Assertion :Lancelets are jawless, primitive fish like vertebrates. Reason: In lancelets notochord, tubular nerve cord and pharyngeal gills slits arePresent throughout their life.

Q. Vertebrates are characterized by

(i) Presence of true coelom

(ii) Presence of notochord

(iii) A ventrally placed heart

(iv) The pharyngeal gill slits at some stage in life cycle

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