Day: August 24, 2022

Biology Paper 2 (231/2) SECTION A (40 marks) Answer all the questions in this section in the spaces provided 1 (a) The diagram below represents a plant in the division Bryophyta. (i) Name the parts labelled B and D. (2 Read More …

 Biology Paper 1 (231/1) 1 (a) What is meant by the term wilting? (1 mark) (b) Explain how an increase in temperature affects the rate of active transport. 2 The diagram below represents a cell as seen under an electron Read More …

 Biology Paper 3 (231/3) 1 (a) You are provided with solutions labelled Q and R, a substance labelled D and a delivery tube fitted with a rubber bung/cork. I Label solution Q as lime water. ll Label solution R as 10% sugar solution. III Add substance D to the 10% sugar Read More …

Biology Paper 2 (231/2) SECTION A (40 marks) Answer all the questions in this section in the spaces provided. 1 (a)State four characteristics of fruits dispersed by animals. (4 marks) (b)State two roles of each of the following hormones in menstruation: (i) luteinising hormone; (2 marks) Read More …

.1 Biology Paper 1 (231/1) Answer all the questions. 1 State the importance of each of the following in living organisms: (a) nutrition(1 mark) (b) excretion.(1 mark) 2 (a) What is meant by the term seed dormancy?(1 mark) (b) State three causes of seed Read More …

Paper 3 (PRACTICAL) 1 Using the pictures of animals provided below, complete the construction of the dichotomous key by filling the blank spaces. (13 marks) 1. (a) Animals with a backbone………………………………… go to 2 (b)Animals without a backbone………………………………. 2. (a) Read More …