O Level Biology Practical 2020 Answers Official

A student placed 3 cm potato strips in 0.0M, 0.2M, and 0.6M sucrose solutions for 30 minutes. The 0.2M strip remained rigid. What does this indicate?

Q: Calculate percentage change for sample: initial 2.50 g → final 2.15 g. o level biology practical 2020 answers