Q 1742634533.     Match the following column of bio active substances and their roles.

NCERT Exemplar 10/05/mcq
A

2, 3, 1, 4

B

4 ,2 ,1, 3

C

4, 1, 3, 2

D

1, 2, 3, 4

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Sr. No.SubjectTagCorrectRecorded Answer