The loss or reduction of chlorophyll in the leaves is due to:
A
bleaching by chlorine
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B
reduction by chloroflurocarbons
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C
bleaching by sulphur dioxide
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D
oxidation by NO2
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Solution
The correct option is C bleaching by sulphur dioxide
Chlorosis is typically caused when leaves do not have enough nutrients to synthesise all the chlorophyll they need. It can be brought about by a combination of factors including:
a specific mineral deficiency in the soil, such as iron or magnesium