CAIE IGCSE Biology 22.3.1 Numerical and Algebraic Calculations

Practise calculating percentage increases in photosynthesis rate, showing working and rounding answers, then determining rates by dividing volume by elapsed time.

Exam points

calculate percentage increase from two photosynthesis rates and round to the nearest whole number
derive photosynthesis rate by dividing gas volume by the stated collection time

[Maximum number: 1]

State how the student would calculate the rates of photosynthesis from the results in Table 6.1.

All question bank results loaded

22.3.1 Numerical and algebraic calculations question 1