Match the following columns:
Column-$I$Column-$II$
$(A)$ Water splitting reaction$(1)$ Boron
$(B)$ Uptake and utilisation of $Ca^{2+}$$(2)$ Copper
$(C)$ Synthesis of auxin$(3)$ Chlorine
$(D)$ Redox reaction$(4)$ Zinc

  • A
    $1 - 3 - 2 - 4$
  • B
    $3 - 1 - 4 - 2$
  • C
    $2 - 3 - 1 - 4$
  • D
    $4 - 2 - 1 - 3$

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Similar Questions

Select the correct match for $X$ and $Y$:
Column $X$Column $Y$
$(1)$ Mycorrhiza$(P)$ Free-living $N_2$-fixer
$(2)$ Nostoc$(Q)$ Phosphorus absorption
$(3)$ Azospirillum$(R)$ Leguminous plants
$(4)$ Rhizobium$(S)$ Autotrophic $N_2$-fixer

Select the correct match for $X$ and $Y$.
Column $X$Column $Y$
$(1)$ Muscle contraction$(P)$ $Mg^{+2}$
$(2)$ Digestion of food$(Q)$ $Ca^{+2}$
$(3)$ Energy exchange$(R)$ $Mo$
$(4)$ Carbohydrate synthesis$(S)$ $PO_4^{-3}$
$(5)$ Nitrogen fixation$(T)$ $Cl^{-}$

Assertion $A$: Leguminous plants increase soil fertility.
Reason $R$: Azotobacter fixes atmospheric $N_2$.

Identify the $INCORRECT$ statement regarding the role of minerals in plants.

Match the following columns correctly:
Column $I$ Column $II$
$(a)$ Manganese $(p)$ For $O_2$ evolution
$(b)$ Chlorine $(q)$ Required for thyroid gland development
$(c)$ Phosphorus $(r)$ High concentration in mitochondria
$(d)$ Iodine $(s)$ Component of nucleic acids

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