Question 27
Question 27 of 40
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No letter options?
Older MCQs might not have the typical A, B, C, D choices. They have choices 1, 2, 3, and a combination of them is the answer. Below is the key that maps such combinations to the answer.
A 1, 2 and 3 are correct
B 1 and 2 only are correct
C 2 and 3 only are correct
D 1 only is correct
Topics Tested
13. Excretion
13.1. Excretion

Describe excretion as the removal of toxic materials and the waste products of metabolism from organisms

19. Relationships of orga...
19.2. Nutrient cycles

Outline the role of fungi and bacteria in decomposition