Paper 2 H - SAMPLE SET 1 Q2 Answers
2) A gardener wants to add compost to the soil to increase his yield of strawberries.
The gardener wants to make his own compost.
2.1) An airtight compost heap causes anaerobic decay.
Explain why the gardener might be against producing compost using this method. [2 marks]
The gardener finds this research on the internet:
‘A carbon to nitrogen ratio of 25:1 will produce fertile compost.’
Look at Table 2.
The gardener wants to make his own compost.
2.1) An airtight compost heap causes anaerobic decay.
Explain why the gardener might be against producing compost using this method. [2 marks]
The gardener finds this research on the internet:
‘A carbon to nitrogen ratio of 25:1 will produce fertile compost.’
Look at Table 2.
2.2) Determine the ratio X in Table 2. [1 mark]
Ratio _____________
2.3) Which type of material in Table 2 would be best for the gardener to use to make his compost?
Justify your answer. [1 mark]
2.4) Some of the leaves from the gardener’s strawberry plant die.
The dead leaves fall off the strawberry plant onto the ground.
The carbon in the dead leaves is recycled through the carbon cycle.
Explain how the carbon is recycled into the growth of new leaves. [6 marks]
2.5) Figure 2 shows two strawberries.
Justify your answer. [1 mark]
2.4) Some of the leaves from the gardener’s strawberry plant die.
The dead leaves fall off the strawberry plant onto the ground.
The carbon in the dead leaves is recycled through the carbon cycle.
Explain how the carbon is recycled into the growth of new leaves. [6 marks]
2.5) Figure 2 shows two strawberries.
- Both strawberries were picked from the same strawberry plant.
- Both strawberries were picked 3 days ago.
- The strawberries were stored in different conditions.
Give three possible reasons that may have caused strawberry A to decay. [3 marks]
1. ___________________________________
2. ___________________________________
3. ___________________________________
(Total for Question 2 = 13 marks)
1. ___________________________________
2. ___________________________________
3. ___________________________________
(Total for Question 2 = 13 marks)
Answers
