Day: August 25, 2022

BIOLOGY Questions and answers Biology Paper 1 (231/1) No.1.(a) State two ways in which the muscles of the mammalian heart are special. (2 marks) ❖ Muscles are myogenic – able to initiate their own concentration. ❖ Presence of intercalated discs Read More …

2017 Biology paper 3 i) E – strips curved outwards; (1 mark) F — strips curved inwards; (1 mark) ii) E — Liquid Elwater entered inner cells/mesocarp of banana peels by osmosis; the inner cells expanded faster/enlarged more/became longer/ became Read More …

Biology paper 2 Questions and Answers 1. The diagram below represents a nucleus. (a) Name the structures labelled E and F.(2 marks) (i) E– Nucleolus F – Nuclear pore/nucleopore (ii) State the function of F. (1 mark) – Facilitates movement of Read More …

BIOLOGY Questions and answers Biology Paper 1 (231/1) 1. Below is an illustration of a piece of apparatus strategically positioned to trap some organisms. (a) Name the apparatus. (1 mark) – Pooter/Aspirator; (b) State the function of the part labelled Read More …

Biology Paper 3 (231/3) Kenya Certificate of Secondary Education 2018 Biology Paper 3 Answer all the questions in the spaces provided. 1. The photographs below represent three mammalian bones, labelled E, F and G. E F G (a) With reasons, Read More …

Biology Paper 2 (231/2) 1. The diagram below illustrates a section of the mammalian kidney. (a) Name the structures labelled E and F. Region H (1 marks) E Glomerulus; F Artery/branch of renal artery (b) Explain the processes that take place in Read More …

2018 KCSE Biology Questions and answers Biology Paper 1 (231/1) 1. (a) Name the cell organelle found in abundance in the white blood cells. (1 mark)   Lysosomes/golgi apparatus(b) Give a reason for your answer in (a) above.(1 mark)   Read More …

THURSDAY: 4 August 2022. Afternoon paper. Time Allowed: 2 hours. This paper has two sections. SECTION I has twenty (20) multiple choice questions. SECTION II has three practical questions of sixty (60) marks. All questions are compulsory. Marks allocated to Read More …

THURSDAY: 4 August 2022. Morning paper. Time Allowed: 2 hours. This paper has two sections. SECTION I has twenty (20) multiple choice questions. SECTION II has three practical questions of sixty (60) marks. All questions are compulsory. Marks allocated to Read More …

Biology Paper 3 BIOLOGY Questions and answers 1. You are provided with specimens F and G. obtained from different plant species. Observe them together with photographs E and H and answer the questions that follow. Note: Do not destroy specimens F Read More …