The newest 5 of 5 written questions. Open one to see it on the real paper.
Which row describes adaptations of a wind-pollinated flower?
See it on the paper →Fig. 4.1 does not show the sepals and petals of the flower. State the function of: sepals petals.
See it on the paper →State two adaptive features of sperm cells.
See it on the paper →When a person exercises, their pulse rate changes. Plan an investigation to determine the relationship between the intensity of exercise a person does and the change in their pulse rate. You may use any common laboratory apparatus. In your plan, include: • • • • • the apparatus needed a brief description of the method...
See it on the paper →Table 7.1 shows information about some of the structures of the lavender flower. Complete Table 7.1. Table 7.1 structure function anther structure where pollen is transferred to during pollination
See it on the paper →There were two common reasons why full credit could not be awarded for the planning question. Some candidates did not refer carefully to the factor that they were asked to investigate (in this case intensity of exercise). Many answers did not clearly vary the exercise intensity or develop a clear method of doing so. It was also quite common for candidates to plan an investigation of other variable...
— Examiner report, February/March 2024, 0653/62 Q2 (Cambridge)
Candidates were generally familiar with the stigma, which receives the pollen and the anther which produces the pollen. They were less familiar with the function of the sepals. Some candidates confused the word sepals with petals, wrongly describing how they attract insects instead of protecting the bud of the flower.
— Examiner report, February/March 2022, 0653/32 Q7(a) (Cambridge)
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