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Functioning ecosystems and succession — Question 8

QCAA 2020, Paper 1 · 1 mark

Q8 · 2020 · Paper 1Unclassified1 mark

QUESTION 8

The table shows the daily energy input and output for a typical leaf.

Process

Energy value (kJ)

Incident sunlight

42.3

Evaporation

31.2

Heat loss (radiation)

2.1

Reflection of sunlight

6.1

Transmission of sunlight

2.1

Calculate the daily net energy stored by the leaf.

(A) 0.8 kJ

(B) 5.0 kJ

(C) 36.2 kJ

(D) 73.5 kJ

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