Whiptail of cauliflower is caused by the deficiency of which element ?

 Molybdenum.
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In what condition nitrogenases functions?

Anaerobic condition.
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Deficiency of zinc causes which disease in cereals ?

Little leaf disease.
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Which element is a major component of vitamins and certain enzymes and present in amino acid cysteine and methionine.


Sulphur.
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Name the mineral constituent of cytochrome.

Iron.
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