Purple coloration on plant parts in tomato is due to the deficiency of which element?

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Purple coloration on plant parts in tomato is due to the deficiency of which element? Answer: Phosphorus

Phosphorus deficiency in tomato plants often leads to purple or reddish discoloration on stems, leaves, and other plant parts. Phosphorus is essential for energy transfer (ATP), root development, and overall growth.

Question context

This question is part of 🌍 Current Affairs within the broader 🌐 Current Affairs & GK subject and appears in the SPSC – Sindh Public Service Commission preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.