Onlinetuition.com SPM Biology
Question 10:(a)(i) Diagram 10.1 shows an activity of an organism.Explain the role of the organism in assisting the transfer of gamete of the flower.[2 marks](ii) Diagram 10.2 shows the development of an embryo in a plant. The zygote divides mitotically to form basal and terminal cells.Predict what will happen to the seed development if structure … Read more
Question 9:(a) Diagram 9.1 shows a membrane lining that is involved in the human first line of defence.Explain how the membrane lining destroys the bacteria in the air that enters the respiratory system.[2 marks](b) Diagram 9.2 shows a part of the skin of an individual that was pricked with a contaminated needle. After a few … Read more
Question 8:Diagram 8.1 shows muscle M of a football player that is injured during a training session.(a)(i) Suggest one method that can be used to treat the injury and give a reason. [2 marks](a)(ii) After a week, the player participates in a training session. His kick is not as great as before the injury. Explain … Read more
Question 7:Diagram 7.1(a) and Diagram 7.1(b) show the graphs of two types of variation.(a) Based on Diagram 7.1(a),(i) state the type of variation [1 mark](ii) give one example of characteristic X. [1 mark](b) Identify the distribution curve for the graph in Diagram 7.1(b). [1 mark](c) Diagram 7.2 (a) shows identical twins J and K. Both … Read more
Question 6:Diagram 6 shows a grassland ecosystem.(a) State two abiotic components in Diagram 6. [2 marks](b) Construct one pyramid of numbers that involves three organisms in the ecosystem in Diagram 6. [1 mark](c) Explain the differences between organism R and organism S based on their nutritional habits. [2 marks][adinsster block=”3″](d) A group of students conducted … Read more
Question 5:Diagram 5.1 shows a cell cycle. (a)(i) State the names of phases X and Z. [2 marks] (ii) State what happens to the chromosome during phase Y. [1 mark] (b) Diagram 5.2 shows the cytokinesis that occurs in the animal cell and the plant cell. Complete Diagram 5.2 by drawing stages of cytokinesis in … Read more
Question 3:Diagram 3.1 shows a part of cross-section of eudicot root structure. (a) Complete Diagram 3.1 by drawing and labelling the structure of vascular cylinder. [2 marks] (b) Root hair cells function to absorb water and minerals.Explain one adaptation of root hair cells to carry out its function efficiently. Adaptation : ………………………….Explanation : ………………………….[2 marks] … Read more
Question 1:Phototropism is a type of tropism response. Diagram 1.1 shows another type of tropism response of a plant. (a) Based on Diagram 1.1,(i) state the type of response [1 mark] (ii) state the stimulus for the response. [1 mark] (b) Explain how the tropism response at the shoot help on plant’s survival. [2 marks] … Read more