KCSE Past Papers 2020 Biology Paper 3 (231/3)

2020 Biology Paper 3 Answer all the questions in the spaces provided. 1. You are provided with a piece of specimen N and the following reagents: – Dilute hydrochloric acid – Dilute sodium hydroxide – Dilute hydrogen peroxide – Water Read More …

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KCSE Past Papers 2020 Biology Paper 2 (231/2)

Answer all the questions in the spaces provided. 1. Below are photographs E and F, of two organisms, taken from their natural habitats. (a)(i) State the main nitrogenous waste product of the organism in photograph E.(1 mark) (ii) Give a Read More …

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KCSE Past Papers 2020 Biology Paper 1 (231/1)

2020 Biology Paper 1 Answer all the questions in the spaces provided. 1. Name the taxonomic grouping that contains individuals with most similarities.(1 mark) 2. Name the characteristic of living organisms shown by each of the following: a. budding in Read More …

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