Slime moulds (Acrasiomycota) are protoctists. They feed on decaying organic matter, bacteria and protozoa.

Which of the terms describes their nutrition?

I. Detritivore
II. Autotroph
III. Heterotroph

A. I only
B. I and II only
C. I and III only
D. I, II and III

C

Although some teachers complained that the term protoctist is not present in the syllabus, the candidates did not seem to have any problems understanding the question. This question had a high discrimination index, showing that the good candidates answered it correctly and the weaker candidates incorrectly.