(d) Rose, root is the incorrect match. Rose is propagated through stem (cutting/layering), not root.
Source: Chapter 7, Section 7.2.5 Vegetative Propagation
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The passage states that roses are grown using vegetative propagation methods like layering or grafting, which involve stem cuttings — not roots. Potato propagates via stem (tuber), Bryophyllum via leaf buds, and Money-plant via stem. Examiners expect you to identify the wrong pair directly and give a one-line justification.