- A They are mainly photosynthetic, deriving energy directly from chlorophyll pigments
- B They form an aggregation called plasmodium and are saprophytic
- C They possess a rigid cellulose cell wall similar to that of green algae
- D They reproduce mainly through prokaryotic-style binary fission
Correct answer: B. They form an aggregation called plasmodium and are saprophytic
Explanation: Slime moulds are saprophytic protists that engulf decaying organic matter. Under favorable conditions, they aggregate to form a structure called the plasmodium, which can grow and spread several feet.
Concept context
Whittaker's five kingdom system covering Monera, Protista, Fungi, plus viruses, viroids, and lichens. A foundational NEET chapter on how living organisms are grouped.