Mineral NutritionHard

Question

The deficiencies of micronutrients, not only affects growth of plants but also vital functions such as photosynthetic and mitochondrial electron flow. Among the list given below, which group of three elements shall affect most, both photosynthetic and mitochondrial electron transport ?

Options

A.Co,Ni, Mo
B.Ca,K, Na
C.Mn, Co, Ca
D.Cu, Mn, Fe

Solution

Micronutrients are minerals obtained from the soil and present in plant tissues at concentrations usually less them 3 μ mol g-1 dry matter. Cu (copper), Mn (manganesse) and Fe (iron) are those Micronutrients electron transport because they are main constituents of various electron carriers.

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