Onlinetuition.com SPM Biology
Question 8:(a) Diagram 8.1 shows the mechanism of blood clotting.Based on Diagram 8.1, describe the roles of platelets and fibrin in the mechanism.(b) Diagram 8.2 shows two types of blood clot that cause the occurrence of health issues.Give one difference between the two types of blood clot.(c) A man who has type O blood group … Read more
Question 7:Diagram 7 shows the respiratory structures of a frog.(a) State the name ofS : ……………………….T : ……………………………[2 marks](b) Give one adaptation of respiratory structure S. [1 mark](c) People who have thalassemia have smaller size of red blood cells. The following are the symptoms of thalassemia.– Tires easily– Pale face– FatigueBased on your knowledge on … Read more
Question 6:Diagram 6.1(a) and 6.1(b) show a response of a flower towards light.(a)(i) State the type of the response. [1 mark](ii) A gardener has moved the flower in Diagram 6.1(a) into a dark cupboard. Explain how the response of flower petals at 12.30 p.m. on the next day. [2 marks](b) Diagram 6.2 shows an experiment … Read more
Question 5:Diagram 5.1 shows a cross-section of a leaf lamina.(a)(i) State the name of cell Q. [1 mark](ii) Give one adaptation of cell Q to carry out its function. [1 mark](b)(i) State the name of cell R. [1 mark](ii) Explain one difference in characteristic between cell R and epidermal cell. [2 marks](c) Diagram 5.2 shows a … Read more
Question 4:Table 1 shows genotype and phenotype of human ABO blood group inheritance.(a)(i) Complete genotype and phenotype in Table 1. [2 marks](ii) Explain why the phenotype of blood group AB is expressed when the genotype is IAIB. [1 mark](b) Diagram 4 shows a schematic diagram of a cross of human earlobe shape inheritance.State the probability … Read more
Question 3:Diagram 3.1 shows two types of main inorganic nutrients required according to their quantities by plants.(a)(i) State one example of a macronutrient that is required by plants. [1 mark](ii) Complete Diagram 3.1. [1 mark](b) Diagram 3.2 shows a leaf that is lack of a certain macronutrient.Explain how the lack of the macronutrient causes the … Read more
Question 1:(a) Diagram 1.1 shows some of the cell components involved in the production of an extracellular enzyme.(i) Label ribosome on Diagram 1.1. [1 mark](ii) State the function of K. [1 mark](iii) Give one example of extracellular enzyme produced in Diagram 1.1. [1 mark](b) Diagram 1.2 shows a part of the human digestive system.(i) State the … Read more