You notice that the young leaves of your tomato plants are very yellow. What type of deficiency does this suggest?

Nitrogen

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Carbon

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Water

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Iron

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Solution

The correct option is D Iron
Yellowing of plants suggesets a deficiency of iron. It is required in larger amounts in comparison to other micronutrients. It is an important constituent of proteins involved in the transfer of electrons like ferredoxin and cytochromes. It activates catalase enzyme, and is essential for the formation of chlorophyll. So deficiency of iron could cause yellowing of leaves.

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