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Biology
Anatomy of Flowering Plants
86 questions from 36 papers, each with its answer.
- 86 questions
- 36 papers
- 2.44% of Biology
Secondary Growth – Sapwood and Heartwood
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Identify the incorrect statement.Sapwood is the outermost (peripheral), lighter coloured region of secondary xylem that conducts water and minerals. The innermost secondary xylem is the dark coloured heartwood (due to deposition of tannins, resins, oils etc.), which gives mechanical support. So 'sapwood is the innermost secondary xylem' is incorrect.
Anatomy of Monocotyledonous and Dicotyledonous Plants
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The transverse section of a plant shows following anatomical features: (a) Large number of scattered vascular bundles surrounded by bundle sheath. (b) Large conspicuous parenchymatous ground tissue. (c) Vascular bundles conjoint and closed. (d) Phloem parenchyma absent. Identify the category of plant and its part:Scattered vascular bundles surrounded by bundle sheath, large conspicuous parenchymatous ground tissue, conjoint and closed vascular bundles, and absence of phloem parenchyma are all features of a monocotyledonous stem.
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