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NEET UG BIOLOGY MCQ: ANATOMY OF FLOWERING PLANTS
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Read the following statements and identify the incorrect ones.
(a) Intrafascicular and interfascicular cambium are the lateral meristems that participate in the secondary growth of dicot stem.
(b) The heartwood comprises dead elements with highly lignified cell walls.
(c) Phelloderm has thin walled parenchymatous cells.
(d) The oldest layer of phloem lies just outside the pericycle.
(e) Phloem parenchyma is absent in most of the monocots.
(a) Intrafascicular and interfascicular cambium are the lateral meristems that participate in the secondary growth of dicot stem.
(b) The heartwood comprises dead elements with highly lignified cell walls.
(c) Phelloderm has thin walled parenchymatous cells.
(d) The oldest layer of phloem lies just outside the pericycle.
(e) Phloem parenchyma is absent in most of the monocots.
View answer and explanation
Correct option: C
(d) only
Option C is correct. Statement (d) is incorrect because the oldest layer of phloem lies just outside the vascular cambium, not the pericycle.
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