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

  • A
    $(a-p), (b-q), (c-r), (d-s)$
  • B
    $(a-p), (b-r), (c-q), (d-s)$
  • C
    $(a-s), (b-q), (c-r), (d-p)$
  • D
    $(a-r), (b-p), (c-s), (d-q)$

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Similar Questions

Which of the following is considered to be the best chemical method of fixing atmospheric nitrogen?

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

Match the following columns:
Column-$I$Column-$II$
$(A)$ Found in some amino acids$(1)$ $Mg$
$(B)$ Required for photolysis of water$(2)$ $I$
$(C)$ Not important for plants$(3)$ $S$
$(D)$ Structural component of chlorophyll$(4)$ $Mn$

Which of the following statements are true? If false,correct them:
$(a)$ Boron deficiency leads to stout axis.
$(b)$ Every mineral element that is present in a cell is needed by the cell.
$(c)$ Nitrogen as a nutrient element,is highly immobile in the plants.
$(d)$ It is very easy to establish the essentiality of micronutrients because they are required only in trace quantities.

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

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