$I.$ Auxin,$II.$ Cytokinin,$III.$ $GA$,$IV.$ $ABA$.
Which of the above-mentioned $PGR$ are acidic in nature? Choose the correct option accordingly.
Which of the above-mentioned $PGR$ are acidic in nature? Choose the correct option accordingly.
- A$I$ and $II$
- B$I, III$ and $IV$
- C$I, II$ and $III$
- D$I, II, III$ and $IV$
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