February/March 2026 Paper 62

2026 · 3 questions · 16 parts · 40 marks

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1(a)(i)1(a)(ii)1(a)(iii)1(a)(iv)1(a)(v)1(a)(vi)1(b)1(c)(i)1(c)(ii)1(c)(iii)1(c)(iv)

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2(a)(i)2(a)(ii)2(b)(i)2(b)(ii)

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Context for 2(a)

Figure 2.1 is a photograph of a fruit from a chilli pepper, Capsicum annuum. The chilli pepper fruit has been cut in half.

Figure 2.1, a photograph of a chilli pepper fruit cut in half lengthways, showing the fruit wall and a row of pale seeds inside, with a line PQ drawn beneath it along its length and the magnification ×1.7

2(a)(i)Medium4 marks

Draw a large diagram of the chilli pepper fruit shown in Figure 2.1.

Draw with the mouse or a finger.

2(a)(ii)Medium3 marks

Line PQ on Figure 2.1 represents the length of the chilli pepper fruit. Measure the length of line PQ in Figure 2.1. Calculate the actual length of the chilli pepper fruit using the formula and your measurement.

magnification = \frac{length of line PQ in Figure 2.1}{actual length of the chilli pepper fruit}

Give your answer to three significant figures.

length of PQ

actual length of the chilli pepper fruit

Context for 2(b)

Chilli pepper fruits contain reducing sugar and non‑reducing sugar.

2(b)(i)Easy1 mark

A student tests a sample of chilli pepper fruits with Benedict’s solution to show that they contain reducing sugar. State the result of a positive test.

2(b)(ii)Easy2 marks

The sugar content of chilli pepper fruits increases as the fruits ripen. Scientists have found that the mean sugar content of chilli pepper fruits increases from 19.6 g per kg in unripe chilli pepper fruits to 36.1 g per kg in ripe chilli pepper fruits. Calculate the percentage increase in the sugar content of ripe chilli pepper fruits. Give your answer to two decimal places.

Answer