Match the following columns correctly:
Column $I$Column $II$
$(a)$ Boron$(p)$ For $CO_2$ transport
$(b)$ Copper$(q)$ Essential for nitrogen fixation
$(c)$ Molybdenum$(r)$ Essential for sugar translocation in plants
$(d)$ Chlorine$(s)$ Essential for chlorophyll synthesis in plants

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

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Similar Questions

Given below are two statements:
Statement $I$: Diazotrophs are the nitrogen-fixing microorganisms,which are exclusively symbiotic.
Statement $II$: Organic fertilizers include farmyard manure,compost,and green manure.
In light of the above statements,choose the most appropriate answer from the options given below.

Identify the correct pair:
Column-$I$Column-$II$
$P$. Phosphorus$I$. Splitting of water to liberate oxygen during photosynthesis
$Q$. Potassium$II$. Constituent of cell membranes and all nucleotides
$R$. Magnesium$III$. In more abundant quantities in the meristematic tissue,buds,leaves,and root tips
$S$. Manganese$IV$. Constituent of the ring structure of chlorophyll and helps to maintain the ribosome structure

$P - Q - R - S$

Ammonium sulphate is:

Study the following columns and choose the correct match.
Column-$I$Column-$II$
$(A)$ Photolysis of water$(1)$ Zinc
$(B)$ Diazotrophy$(2)$ Copper
$(C)$ Cytochrome-c oxidase$(3)$ Manganese
$(D)$ Biosynthesis of $IAA$$(4)$ Molybdenum
$(5)$ Boron

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 : ........

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