Analogy type questions:
$(1)$ Manganese toxicity : Brown spots surrounded by chlorotic veins : Molybdenum deficiency : ........
$(2)$ Conversion of nitrogen to ammonia : Nitrogen fixation : Oxidation of nitrite to nitrate : ........

  • A
    $(1)$ Inhibition of cell division,$(2)$ Nitrification
  • B
    $(1)$ Chlorosis,$(2)$ Denitrification
  • C
    $(1)$ Necrosis,$(2)$ Ammonification
  • D
    $(1)$ Stunted growth,$(2)$ Assimilation

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Similar Questions

Which of the following plants is used as green manure in crop fields and in sandy soils?

Match the following columns:
Column-$I$Column-$II$
$1.$ Mycorrhiza$a.$ Free-living $N_2$-fixer
$2.$ Nostoc$b.$ Phosphorus absorption
$3.$ Azospirillum$c.$ Leguminous plants
$4.$ Rhizobium$d.$ Autotrophic $N_2$-fixer

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

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

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

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