Date palms are palm trees, and while they have a fibrous outer layer that might resemble bark, it is not technically bark. Bark is a tissue produced by dicot trees (like Prunus and Guava) and is part of their vascular system. Palm trees, however, are monocots and have a different growth structure. They lack the cambium layer responsible for producing bark. The fibrous outer layer of a date palm is more akin to the stem's protective sheath.
Which of the following does not produce bark?
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Question context
This question is part of 🧫 Biotechnology within the broader 🧬 Medical Science 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.