Which one of the following is not correctly matched [NCERT 1984] – McqOptions

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1.	Which one of the following is not correctly matched [NCERT 1984]
A.	Flame cells - Platyhelminthes
B.	Sting cells - Coelenterata
C.	Metameric segmentation - Mollusca
D.	Gill slits - Chordata
Answer» D. Gill slits - Chordata

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