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Question

Match the element to its function in the plant. Element Function
A. Calcium I. Maintenance of ionic balance
B. Boron II. Constituent of nucleic acids
C. Phosphorus III. Calcium absorption
D. Chlorine IV. Activates respiratory enzymes
E. Manganese V. Synthesis of mitotic spindle

  1.  A-I, B-II, C-III, D-IV, E-V
  2.  A-V, B-IV, C-III, D-II, E-I
  3.  A-IV, B-I, C-V, D-III, E-II
  4. A-V, B-III, C-II, D-I, E-IV


Solution

The correct option is D A-V, B-III, C-II, D-I, E-IV
Calcium is a macro nutrient and it plays an important role in mitosis during nuclear membrane breakdown, segregation of chromosomes and also during cell plate formation. It helps in the organisation of mitotic spindle fibres.

Boron is required for utilisation of calcium by plant.

Phosphorus is a constituent of nucleic acids like DNA and RNA.

Chlorine determines the anion and cation balance.

Manganese helps in the activation of many respiratory enzymes.

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