O Level Biology Practical 2020 Answers Jun 2026

Add Benedict’s reagent to the sample and heat in a boiling water bath for 3–5 minutes.

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

The O Level syllabus assesses students across several critical skill areas: Skill Code Definition 2020 Application Example Manipulation, Measurement, and Observation o level biology practical 2020 answers

: This task required candidates to determine the concentration of glucose in simulated "urine" samples.

A significant part of the 2020 practical exam involved identifying nutrients or assessing the effect of variables like temperature on enzyme activity. Add Benedict’s reagent to the sample and heat

To prepare effectively, review the 2020 papers from official sources.

While the actual observations may vary slightly depending on the banana sample and conditions, the expected pattern is: A significant part of the 2020 practical exam

This section assessed microscopic or macroscopic observation skills. Students were provided with a biological specimen (such as a plant organ or cross-section) to sketch and calculate its magnification. Drawing Requirements

Use at least 50% of the grid, label axes with units, and mark points with a neat '

Q1. Plot the data and describe the trend.

Contamination between samples if syringes are not washed.