During plant breeding experiments, pollen grains are collected from flowers to be used for artificial pollination. Before pollination, the pollen grains are stored in a liquid sucrose solution to maintain their viability.
Design an investigation to find the optimum sucrose concentration in the storage solution for the survival and viability of the pollen grains.
Your answer should include experimental details and be written in full sentences.
43 exam-style questions on Edexcel IGCSE Biology Reproduction. Each one has a worked solution and a mark scheme showing where the marks go.