Fruit formation in flowering plants practice exercise 3

A biology student observed that after fertilisation, the petals of a hibiscus flower dried up and dropped off. Explain this observation based on the fruit formation process. (2 marks)

A farmer in Makueni notices that most of her passion fruit flowers fall off before forming fruits. Suggest a biological reason related to the fruit formation process and recommend a solution. (2 marks)

A fruit seller notices that ripe mangoes often have one large seed in the middle. Explain how this seed formed and how it might help in the plant’s life cycle. (2 marks)

A mango seed is planted and watered regularly. After some time, it begins to sprout. What part of the seed is responsible for new plant growth? (1 mark)

A pupil plants maize seeds in two pots. One pot is watered daily while the other is kept dry. After a week, only one pot shows seedling growth. Using your knowledge of fruit and seed formation, explain the observation.  (2 marks)

A student dissecting a mango observes three distinct layers in the fruit wall. Name these layers and explain their roles in relation to fruit development. (3 marks)

A student dissecting a mango observes three distinct layers in the fruit wall. Name these layers and explain their roles in relation to fruit development. (3 marks)

After fertilisation, John observes that the ovary of a flower grows bigger and changes colour. What is happening to the ovary, and why is this important? (2 marks)

During a nature walk, pupils observe fallen flowers with only their ovaries remaining on the plant. What process is likely to have occurred?  (1 mark)

James sees small green pods growing on a bean plant after flowering. What part of the flower are these pods developing from?  (1 mark)

Mary notices that the inside of a tomato has both seeds and soft flesh. What part protects the seeds, and what is the name of the entire structure?  (1 mark)