KCSE 2021 Biology Paper 2 (231/2)

SECTION A (40 marks) Answer all questions in this section in the spaces provided. 1. The photograph below shows an organism from a certain Class of organisms. a.i. Name the Class to which the organism belongs. (1 mark)   Diplopoda;ii. Read More …

KCSE Past Papers 2011 Biology Paper 1 (231/1)

Biology Paper 1 (231/1) 1 Name two kidney diseases. (2 marks) 2 (a) Write the dental formula of an adult human. (1 mark) (b) Name two dental diseases. (2 marks) 3 Give three reasons for classifying organisms. (3 marks) 4 State one use for each of the following Read More …