Answer: Phycomycetes, coenocytic mycelium.
- A Ascomycetes, septate mycelium
- B Phycomycetes, coenocytic mycelium
- C Basidiomycetes, branched mycelium
- D Deuteromycetes, septate mycelium
Correct answer: B. Phycomycetes, coenocytic mycelium
Explanation: Rhizopus belongs to class Phycomycetes, which is characterized by coenocytic (aseptate) mycelium, meaning the hyphae lack septa (cross walls) between cells.
Whittaker's five-kingdom system (1969) groups all cellular life by cell structure and nutrition; viruses, viroids, and lichens fall outside this system entirely since they aren't independently classifiable as one of the five.
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.