Match the columns:
$I$ $II$
$(A)$ Magnesium $(i)$ Found in middle lamella
$(B)$ Sulphur $(ii)$ $A$ structural component of chlorophyll
$(C)$ Calcium $(iii)$ Required for enzyme activity
$(D)$ Iodine $(iv)$ Found in some amino acids
$(E)$ Manganese $(v)$ $A$ component of sugars
$(vi)$ Not important for plants

  • A
    $A-(ii), B-(iv), C-(i), D-(vi), E-(iii)$
  • B
    $A-(ii), B-(iv), C-(v), D-(vi), E-(iii)$
  • C
    $A-(ii), B-(vi), C-(i), D-(iv), E-(iii)$
  • D
    $A-(iii), B-(iv), C-(i), D-(vi), E-(ii)$

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Similar Questions

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

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

$P - Q - R - S$

Select the correct match for $X$ and $Y$.
Column $X$Column $Y$
$(1)$ Magnesium$(P)$ Blood clotting
$(2)$ Molybdenum$(Q)$ Constituent of cysteine amino acid
$(3)$ Calcium$(R)$ Essential for nitrogen fixation
$(4)$ Sulphur$(S)$ Activation of enzymes

Identify the mismatched pair.

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.

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