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Quadrangular stems and opposite decussate leaves are important vegetative characters of which of the following families?

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Quadrangular stems and opposite decussate leaves are important vegetative characters of which of the following families? Answer: Labiatae

Quadrangular stems and opposite decussate leaves are important vegetative characters of the family Labiatae (now known as Lamiaceae).

Question context

This question is part of 🧫 Biotechnology within the broader 🧬 Medical Science subject and appears in the Pakistan Agricultural Research Council (PARC) preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.