O Level Biology Practical 2020 — Answers

often remained blue or took over 120 seconds, representing a concentration of

The examination was divided into investigative tasks that required both manual dexterity and theoretical application.

: Answers had to include correct headings (e.g., "Time taken for color change / s") and consistent units. Question 2: Biological Drawing and Magnification o level biology practical 2020 answers

This section focused on the .

Magnification=Length of drawingLength of actual specimenMagnification equals the fraction with numerator Length of drawing and denominator Length of actual specimen end-fraction Answers were expected to be given to . often remained blue or took over 120 seconds,

: Students calculated the magnification using the formula:

typically showed the shortest time (e.g., 26 seconds), indicating the highest glucose concentration (approx. o level biology practical 2020 answers

In this experiment, students were tasked with estimating the concentration of glucose in five different samples (labeled A-E) representing "urine."