Primary root is the direct elongation of the 2 (1)Pedicel (2) Radicle (3)Plumule (4)Stamen
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Answer:
Radicle
Option b
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Primary root is the direct elongation of the radicle.
Explanation: Top root develops from the radicle of the seed. In the vast majority of dicotyledonous plants, the radicle's direct elongation causes the production of primary roots, which develop underground.
When a seed germinates, the major root, or radicle, is the first organ to emerge. It anchors the seedling by growing downward into the earth. The radicle develops into a taproot in gymnosperms and dicotyledons (angiosperms with two seed leaflets).
The radicle is the first component of a seedling (a developing plant embryo) to emerge from the seed during germination in the study of botany. The plant's developing root grows downward in the earth and is known as a radicle (the shoot emerges from the plumule).
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