Define the following terms:
$(1)$ Plant hormone (Phytohormone)
$(2)$ Deciduous

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(N/A) $(1)$ Plant hormone (Phytohormone): These are chemical substances produced naturally in plants that act in very low concentrations to regulate growth,development,and physiological processes. Examples include Auxins,Gibberellins,Cytokinins,Abscisic acid,and Ethylene.
$(2)$ Deciduous: This term refers to plants (typically trees or shrubs) that shed their leaves annually,usually during a specific season such as autumn or during periods of drought,to conserve water and energy.

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Match column $I$ with column $II$ and select the correct option:
Column $I$ (Precursor/Term)Column $II$ (Associated Hormone)
$(a)$ Tryptophan$(i)$ Cytokinin
$(b)$ Mevalonic acid$(ii)$ Abscisic acid
$(c)$ Kinetin$(iii)$ Gibberellins
$(d)$ Dormin$(iv)$ Auxin

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$(i)$ Ethylene
$(ii)$ Abscisic acid
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$(iv)$ Auxin
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