O Level Biology Practical 2020 Answers | TOP-RATED ✭ |

Magnification=Size of Image (Drawing)Actual Size of SpecimenMagnification equals the fraction with numerator Size of Image (Drawing) and denominator Actual Size of Specimen end-fraction :

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0.4 M sucrose (isotonic point – water potential equal inside and outside cells). o level biology practical 2020 answers

Record what you see (e.g., "blue-black color formed"), not what you know (e.g., "starch is present").

Perform a Benedict's test on samples labeled A–E to estimate glucose concentration. Common Results: Common Results: To secure full marks for data

To secure full marks for data presentation, tables must feature clear column headers with slash-separated units. Temperature ( ∘Craised to the composed with power C Time Taken for Iodine to Remain Yellowish-Brown ( Rate of Starch Hydrolysis ( s-1s to the negative 1 power Graph Plotting Checklist

Expected graphs plotted "Time taken for color change" against "Concentration of glucose". Drawing & Identification: "blue-black color formed")

| Strategy | Benefit | |----------|---------| | Compare your answers line-by-line | Identifies gaps in knowledge | | Study the "acceptable alternatives" | Learn how to phrase answers flexibly | | Identify command words (describe, explain, suggest) | Understand what each question type requires | | Note where keywords are expected | Memorize essential terminology precisely |

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