O-LevelBiologyHuman Nutrition5090/11 · Oct/Nov 2021 · Q81 Mark
Milk contains water, carbohydrates, proteins, fats, and some minerals and vitamins. The graph shows the results of an experiment. One group of young rats was given 3 cm³ of milk per day for 18 days. On day 18, the milk was stopped for this group but given to a second group of young rats. All other factors were kept constant for the two groups of rats. [Figure 8] What is the explanation for these results?
This question uses a diagram from the original paper, which isn't shown here. Open the full paper from the past papers archive to see it.
AWhether or not young rats are given milk, their mass is always the same on day 46.
BMilk contains the nutrients needed for young rats to grow.
CMilk is not important for the growth of young rats.
DYoung rats grow fastest after day 18.
✓ Correct answer
B: Milk contains the nutrients needed for young rats to grow.
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