Fertilisation in flowering plants practice exercise 3

A class planted passion fruits near a road. Despite blooming, the flowers failed to turn into fruits. What environmental condition could have interfered with fertilisation?  (1 mark)

A flower in Eldoret produced no fruit after blooming. What fertilisation step may have failed? (1 mark)

A flower was observed to produce a pollen tube, yet fruit formation did not occur. What might be the problem in this fertilisation process?  (1 mark)

A mango flower received pollen, but no seed formed. What might be the reason despite pollen landing on the stigma? (1 mark)

A pupil in Kisumu observed a pollen tube growing down a style. What does this allow to happen?  (1 mark)

A student dissected a flower and found that the ovules were intact but no zygote had formed. What could have caused this?  (1 mark)

After fertilisation in a flower, which part becomes the seed?  (1 mark)

In a science experiment, students blocked the style of a flower using wax. Predict and explain the outcome of fertilisation. (2 marks)

Ryan noticed pollen on a stigma in their school garden. What will likely happen next in the fertilisation process?  (1 mark)

While visiting a flower farm in Naivasha, Achieng saw fruits developing from flowers. What process must have happened before fruit formation?  (1 mark)