KNEC KCSE Past Papers 2019 Biology Paper 2 (231/2)

KNEC KCSE Past Papers 2019 Biology Paper 2 (231/2) Kenya Certificate of Secondary Education 2019 Biology Paper 2 Answer all the questions in the spaces provided. 1. In an experiment to investigate the effect of Sodium chloride on the growth rate in a spinach seedling. seeds were treated with different concentrations of sodium chloride. The … Read more