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Q.

Select the correct statement with reference to chordates. 
A.  Presence of mid-dorsal, hollow and single nerve cord.
B.  Presence of the open circulatory system.
C.  Presence of paired pharyngeal gills slits.
D.  Presence of dorsal heart
E.  Triploblastic, unsegmented animals.
Choose the correct answer from the options given below.

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a

B, D and E only 

b

A and C only

c

A, C and D only

d

A, B and C only

answer is A.

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Detailed Solution

Characteristics of chordates are A and C

A.  Presence of mid-dorsal, hollow and single nerve cord.

C.  Presence of paired pharyngeal gills slits.

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