1a
5 marks
5 marksSome animals produce milk to feed their offspring.
Table 1 shows the mass of the substances found in 100g of milk from two animals.
Table 1
| substance | mass in 100g of milk / g | |
| human milk | water buffalo milk | |
| protein | 1.10 | 4.50 |
| fat | 4.50 | 8.00 |
| carbohydrate | 7.50 | 4.90 |
| calcium | 0.03 | 2.00 |
| water | ||
(i)
Calculate the mass of water in both the human milk and the water buffalo milk.
[2]
(ii)
State the name of the substance in Table 1 that is present in a higher concentration in human milk than in water buffalo milk.
[1]
(iii)
State the name of one component of a balanced diet that is missing from Table 1.
[1]
(iv)
Producing milk for offspring is a characteristic of a particular group of animals.
State the name of this group of animals.
[1]
1b5 marks
5 marksState how young animals use the substances listed in Table 1.
1c2 marks
2 marksAn adult eats a high-fat diet.
State two health problems that could be caused by eating a high-fat diet.
Did this page help you?
