Assertion : Hemichordata was previously considered as the class of phylum chordata. Reason : Hemichordates is supposed to have some affinities with chordata.

If both the assertion and reason are true but the reason is not a correct explanation of the assertion

If both the assertion and the reason are true and the reason is a correct explanation of the assertion

If the assertion is true but the reason is false

If both the assertion and reason are false

If the assertion is false but reason is true

Assertion : Hemichordata was previously considered as the class of phy

1.	Assertion : Hemichordata was previously considered as the class of phylum chordata. Reason : Hemichordates is supposed to have some affinities with chordata.
A.	If both the assertion and the reason are true and the reason is a correct explanation of the assertion
B.	If both the assertion and reason are true but the reason is not a correct explanation of the assertion
C.	If the assertion is true but the reason is false
D.	If both the assertion and reason are false
E.	If the assertion is false but reason is true
Answer» B. If both the assertion and reason are true but the reason is not a correct explanation of the assertion