Identify any transverse section as a dicot or monocot root, stem or leaf from its bundles, xylem, pith and mesophyll, read longitudinal sections of root and shoot tips, and outline secondary growth.
Unit 6 carries 3 of the 40 botany marks; with two chapters sharing them, this one averages one and a half (MEC publishes weights by unit, not by chapter). The MEC scope line: T.S. and L.S. of monocot and dicot root, stem and leaf. Three ways it is asked:
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See the plansBotany Rapid Revision — Cycles, Pigments & Pathways
Photosynthesis and respiration accounting, plant hormones, life-cycle patterns and the classification characters that carry the 40-mark Botany block.
Genetics Ratios & Cell Division Cheat Sheet
Mendelian ratios, mitosis vs meiosis, and DNA base-pairing rules in one page.
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Sort sugars by size, linkage and reducing power, tell starch from cellulose from chitin, classify lipids and fatty acids, and match each plant mineral to its role and deficiency symptom.
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Build a protein from amino acids up to quaternary structure, classify proteins by shape and composition, name the enzyme classes, and predict how temperature, pH, substrate and inhibitors change the rate.