1a
3 marks
3 marksState three uses of energy required by a living organism.
1b5 marks
5 marksGive the missing answers in the following sentences using words from the box.
Each word may only be used once.
| energy oxygen organisms chemical cells |
Aerobic respiration is a ____________ reaction that takes place in ___________of living ____________.
It uses ______________ as part of the reaction to release _________.
1c4 marks
4 marksThe oxygen consumption of a range of indoor plants was measured to give an indication of the rate of respiration.
Table 1 shows the results recorded.
Table 1
| plant type | oxygen consumption / mL kg−1 h−1 |
| Asparagus Fern | 25 |
| Chinese Evergreen | 36 |
| Monstera | 62 |
| Prayer Plant | 45 |
Draw a graph of the results on the grid shown in Fig. 1
Fig. 1
1d2 marks
2 marksIdentify the missing reactants and products from the word equation for aerobic respiration.
____________ + glucose → ____________ + water + (energy)
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