Examkin

Question

Difficulty: EasyKingdom Fungi: Moulds, Yeasts, and Mushrooms

Match each fungal structure to its corresponding reproductive or structural role in fungi.

  • RhizoidAnchors hyphae to the substrate and absorbs digested nutrients
  • SporangiumEncloses and produces asexual spores in moulds such as Rhizopus
  • BasidiumMicroscopic, club-shaped cell on mushroom gills where sexual spores develop
  • BudOutgrowth produced during unicellular vegetative reproduction in yeast

Answer

Rhizoid matches nutrient absorption hyphae; Sporangium matches asexual spore capsule in moulds; Basidium matches spore-producing cell on mushroom gills; Bud matches cell outgrowth during yeast reproduction.
Each structure corresponds directly to its unique function and archetype: rhizoids absorb nutrients in moulds, sporangia produce asexual mould spores, basidia form sexual mushroom spores on gills, and buds are outgrowths during yeast cell division.

Step-by-Step Solution

1
Identify the function of vegetative anchorage structures in filamentous moulds.
Rhizoids anchor the mycelium into the nutrient medium and absorb extracellularly digested nutrients.
Rhizoids act functionally like root hairs for filamentous saprophytic moulds like Rhizopus.
2
Identify the asexual reproductive structure in moulds.
The sporangium produces and houses asexual spores until maturation.
Sporangia burst open when mature to release spores into the atmosphere for dispersal.
3
Identify the sexual reproductive structure in mushrooms.
The basidium is located on the gill surfaces of the fruiting body (basidiocarp).
Basidia bear external sexual spores called basidiospores in mushrooms such as Agaricus.
4
Identify the asexual mechanism specific to unicellular yeast.
Yeast cells reproduce asexually by budding, forming a small daughter cell outgrowth.
Unicellular fungi like Saccharomyces undergo mitosis followed by unequal cytokinesis to produce a bud.

Key Concept

Structural and reproductive specialization across Kingdom Fungi archetypes (Rhizopus, Agaricus, Saccharomyces)
Rate this question

Topics

Kingdom Fungi: Moulds, Yeasts, and Mushrooms

More questions from this topic