Onlinetuition.com SPM Biology
Question 7:Diagram 7.1 shows the parts of blood circulatory and lymphatic system in human.Diagram 7.1 (a) Explain how fluid Q is formed. [4 marks](b) Describe similarities and differences between fluids P and R. [10 marks](c) Diagram 7.2 shows a type of worm which is transmitted by mosquitoes to human. The mosquito is the vector of disease … Read more
Question 6:(a) Diagram 6.1 shows a gaseous exchange in the alveolus.Diagram 6.1Explain how oxygen is transported to the body tissues for cellular respiration. [4 marks](b)Based on the statement above, suggest and explain how to keep our lungs healthy. [6 marks](c) Diagram 6.2.1 and 6.2.2 show the respiratory organ from two different organisms.Explain similarities and differences … Read more
Question 3:Diagram 3 shows a human digestive system.Diagram 3 (a)(i) Name gland X. [1 mark](ii) Bread contains starch.Explain the role of gland X in the digestion of bread in P. [3 marks](iii) Explain why the process of digestion of bread does not occur in Q. [3 marks](b)(i) Name organ R. [1 mark](ii) A person has a … Read more
Question 1:Diagram 1.1 shows the structure of a plant cell.Diagram 1.1 (a) Name the structures C and D. [2 marks](b)(i) State the component which forms structure C. [1 mark](b)(ii) Draw and label the basic unit structure of the main component which is named in 1(b)(i). [2 marks](c) The cell in Diagram 1.1 is immersed in distilled … Read more