You are given a fairly old piece of dicot stem and a dicot root. Which of the following anatomical structures will you use to distinguish between the two?
Correct answer: C. Protoxylem
- A. Secondary xylem
- B. Secondary phloem
- C. Protoxylem
- D. Cortical cells
Explanation
(c): In stems, the protoxylem lies towards the center (pith) and the metaxylem lies towards the periphery. This type of primary xylem is called endarch. In the root, the protoxylem lies towards
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About Kingdom Plantae
Plants are multicellular, photosynthetic eukaryotes with cellulose cell walls, chloroplasts and large vacuoles. Coverage includes alternation of generations, vascular and non-vascular plants, seedless and seed-producing groups, gymnosperms and angiosperms, and the distinction between monocot and dicot features.
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