Mycology Mushroom Foraging Practice Exam

Question 1 Mycology Mushroom Foraging

What is mycofiltration?

Fungi are eukaryotes with cell walls; bacteria are prokaryotes. Using fungi to filter pollutants from water. Bioremediation, sustainable materials (mycelium leather), food, medicine, and ecology. From single-celled yeast to vast mycelial networks.

Question 2 Mycology Mushroom Foraging

What is the antidote for amatoxin poisoning?

No specific antidote; supportive care; sometimes liver transplant. From germination to first mushrooms can take weeks to years. Eat only when interior is uniformly white; cut to check. Formation of tiny primordia signaling impending fruiting.

Question 3 Mycology Mushroom Foraging

What is ergot?

Common with overconsumption or sensitive individuals; not always toxicity. A round mushroom releasing spores when mature. A fungal disease of grains historically causing toxic epidemics. Common via spores or fragmentation.

Question 4 Mycology Mushroom Foraging

What is the role of fungi in space biology?

Agaricus bisporus; the most consumed mushroom worldwide. Ascomycota, Basidiomycota, Zygomycota, Chytridiomycota, Glomeromycota. The fleshy fruiting body of certain fungi, producing spores. Research on fungal growth and resilience for space habitats.

Question 5 Mycology Mushroom Foraging

What is the most deadly mushroom?

Documents the mushroom's environment for later study. High CO₂ inhibits fruiting; ventilation triggers it. Amanita phalloides ("death cap"); ~50% of mushroom poisoning deaths. By absorption — secreting enzymes to break down organic matter externally.

Question 6 Mycology Mushroom Foraging

Who popularized the wood wide web?

Suzanne Simard's research on tree communication via fungi. By absorption — secreting enzymes to break down organic matter externally. Medications treating fungal infections; resistance growing. A polypore studied for immune system support and cancer adjuvant therapy.

Question 7 Mycology Mushroom Foraging

What is a sclerotium?

A genetic compatibility category; can be more than two in some species. Fungi on plant surfaces. Fungi are eukaryotes with cell walls; bacteria are prokaryotes. A hardened mass of fungal mycelium serving as survival structure.

Question 8 Mycology Mushroom Foraging

What is the dual-partner model of lichen?

Growing fungi on agar plates for isolation and study. A tissue covering the entire young mushroom; remnants form volva and cap warts. Updated to recognize multiple partners often involved. A cup at the base of certain mushrooms; key for ID (e.g., Amanita).

Question 9 Mycology Mushroom Foraging

What is the role of habitat in identification?

Species growing on dead wood or living trees. A popular advocate of fungi for medicine, ecology, and mycoremediation. Many species associate with specific trees or substrates. A respiratory disease from inhaling spores of Histoplasma capsulatum.

Question 10 Mycology Mushroom Foraging

What is "white rot"?

A respiratory disease from inhaling spores of Histoplasma capsulatum. Many fungi reproduce sexually with multiple mating types. The production and release of spores. Wood decay leaving white, fibrous remains; lignin-degrading fungi.

Question 11 Mycology Mushroom Foraging

What is aflatoxin?

Ecto forms around root cells; endo penetrates into them. Yeasts ferment beer; some lambics use wild yeasts and bacteria. Documents the mushroom's environment for later study. A potent carcinogen produced by Aspergillus on stored grains.

Question 12 Mycology Mushroom Foraging

What is sporulation?

High humidity needed for fruiting; misting common. Mushrooms are fruiting bodies; molds are mycelium often without visible fruiting. Emerging treatments for depression, PTSD, end-of-life anxiety. The production and release of spores.

Question 13 Mycology Mushroom Foraging

What is the role of mushrooms in cuisine?

Decomposers, mutualists, pathogens, parasites. Umami flavor, meat substitute, traditional dishes worldwide. Cutting/scraping flesh to see color change; useful for some genera. Cap (pileus), gills (or pores/teeth), stem (stipe), volva, ring (annulus).

Question 14 Mycology Mushroom Foraging

What is the role of fungi in soil structure?

Hyphae bind soil particles; improve aggregate stability. Sustainable alternatives to leather, packaging, building materials. Most edible wild mushrooms must be cooked; some raw can cause issues. A genus of fungi parasitic on insects; used for energy and stamina.

Question 15 Mycology Mushroom Foraging

What is the relationship between fungi and beer?

Even "easy" species require multiple confirmations. Using fungi to clean up environmental contamination. Fungi have cell walls of chitin, not cellulose. Yeasts ferment beer; some lambics use wild yeasts and bacteria.

Question 16 Mycology Mushroom Foraging

What is muscimol?

Suzanne Simard's research on tree communication via fungi. Decomposers, mutualists, pathogens, parasites. Bread, beer, wine, cheese, antibiotics, plant cultivation. The psychoactive compound in Amanita muscaria.

Question 17 Mycology Mushroom Foraging

What is the role of CO₂ in fruiting?

From germination to first mushrooms can take weeks to years. Mature stages of the button mushroom. Spores → germination → mycelium → primordia → fruiting bodies → spores. High CO₂ inhibits fruiting; ventilation triggers it.

Question 18 Mycology Mushroom Foraging

What is a hypha?

Growing fungi on agar plates for isolation and study. Gilled mushrooms; large and diverse group. Schedule I in many countries; some legalization for therapy emerging. A single thread-like filament of fungal cells.

Question 19 Mycology Mushroom Foraging

What is the importance of cooking?

About 90%. A reproductive unit dispersed by fungi. Most edible wild mushrooms must be cooked; some raw can cause issues. A polysaccharide forming fungal cell walls and arthropod exoskeletons.

Question 20 Mycology Mushroom Foraging

What is spore?

The phylum containing morels, truffles, yeasts, and many molds. Sustainable alternatives to leather, packaging, building materials. A symbiotic organism of fungus + alga (or cyanobacteria). A reproductive unit dispersed by fungi.

Question 21 Mycology Mushroom Foraging

What is the difference between Ascomycota and Basidiomycota spore-bearing?

Schedule I in many countries; some legalization for therapy emerging. Hyphae bind soil particles; improve aggregate stability. Asco produce spores in asci; Basidio produce spores on basidia. A discredited method; some toxins don't taste bitter or unpleasant.

Question 22 Mycology Mushroom Foraging

What is psilocybin therapy?

Place a cap on paper, cover with a bowl, wait several hours. A toxic orange mushroom often mistaken for chanterelle. A pattern made by dropping spores from a mushroom cap; identification aid. Emerging treatments for depression, PTSD, end-of-life anxiety.

Question 23 Mycology Mushroom Foraging

What is iNaturalist?

A citizen science platform useful for mushroom ID confirmation. Button (Agaricus bisporus), oyster, shiitake, lion's mane, king oyster. Honey fungus (Armillaria) attacking trees. Fungi are eukaryotes with cell walls; bacteria are prokaryotes.

Question 24 Mycology Mushroom Foraging

What is psilocybin?

From single-celled yeast to vast mycelial networks. About 90%. Fungi are everywhere, essential, and largely undiscovered; the kingdom of mushrooms is vast and vital. A psychoactive compound in certain mushrooms.

Question 25 Mycology Mushroom Foraging

How do fungi obtain nutrients?

Mature stages of the button mushroom. By absorption — secreting enzymes to break down organic matter externally. Using fungi to clean up environmental contamination. Eukarya — they are eukaryotic organisms.

Question 26 Mycology Mushroom Foraging

What is the rule for tasting unknown mushrooms?

Wind, water, animals, insects, raindrops. A fungus forming symbiotic associations with plant roots. Don't. Some toxins act slowly; testing kills. Species growing on dead wood or living trees.

Question 27 Mycology Mushroom Foraging

What is mycoremediation?

Using fungi to clean up environmental contamination. Emerging field protecting fungal biodiversity. Suzanne Simard's research on tree communication via fungi. From single-celled yeast to vast mycelial networks.

Question 28 Mycology Mushroom Foraging

What is penicillin's source?

The mold Penicillium; discovered by Alexander Fleming, 1928. Respect for ecosystem, regulations, and other foragers. Ecto forms around root cells; endo penetrates into them. Many fungi reproduce sexually with multiple mating types.

Question 29 Mycology Mushroom Foraging

What are pores (mushroom)?

A toxic compound produced by fungi (e.g., aflatoxins in moldy peanuts). A genetic compatibility category; can be more than two in some species. Hyphae bind soil particles; improve aggregate stability. Spongy spore-bearing tubes under the cap of boletes and polypores.

Question 30 Mycology Mushroom Foraging

What is the difference between mushrooms and molds?

The top of the mushroom, holding spore-producing surfaces. Ecto forms around root cells; endo penetrates into them. Amanita phalloides ("death cap"); ~50% of mushroom poisoning deaths. Mushrooms are fruiting bodies; molds are mycelium often without visible fruiting.

Question 31 Mycology Mushroom Foraging

Are fungi closer to plants or animals?

Genetically closer to animals than to plants. The mold Penicillium; discovered by Alexander Fleming, 1928. Don't. Some toxins act slowly; testing kills. Mature stages of the button mushroom.

Question 32 Mycology Mushroom Foraging

What is turkey tail (Trametes versicolor)?

A polypore studied for immune system support and cancer adjuvant therapy. An underground ascomycete fruiting body; very valuable. Another name for porcini. Emerging field protecting fungal biodiversity.

Question 33 Mycology Mushroom Foraging

What is the lag time for amatoxin symptoms?

A foul-smelling mushroom attracting flies for spore dispersal. 6-24 hours; initial GI symptoms then deceptive recovery before organ failure. Spores → germination → mycelium → primordia → fruiting bodies → spores. A round mushroom releasing spores when mature.

Question 34 Mycology Mushroom Foraging

What is fungal-bacterial symbiosis?

Many fungi live in cooperative relationships with bacteria. Cross-referencing reduces ID errors. A kingdom of organisms including yeasts, molds, and mushrooms. Sources of antibiotics, immunosuppressants (cyclosporine), statins.

Question 35 Mycology Mushroom Foraging

What is the largest organism on Earth?

Species used for health benefits (reishi, turkey tail, lion's mane, cordyceps). Bread, beer, wine, cheese, antibiotics, plant cultivation. An Armillaria fungal mycelium in Oregon, ~2,385 acres. Glutamates and nucleotides giving rich, savory flavor.

Question 36 Mycology Mushroom Foraging

What is "soil association"?

Thin radiating structures under the cap of many mushrooms. Some fungi appear only in specific soils. Applying potassium hydroxide to observe color reactions. Wood decay leaving white, fibrous remains; lignin-degrading fungi.

Question 37 Mycology Mushroom Foraging

What is mycology?

Monomethylhydrazine (similar to rocket fuel) in Gyromitra. Take only what you need; leave plenty for spores and other foragers. The scientific study of fungi. Habitat, gross morphology, spore print, microscopic if needed.

Question 38 Mycology Mushroom Foraging

What is the cremini/portobello?

A kingdom of organisms including yeasts, molds, and mushrooms. Wind, water, animals, insects, raindrops. Mature stages of the button mushroom. Reported sensitivity in some individuals; rare allergic reactions.

Question 39 Mycology Mushroom Foraging

What domain are fungi in?

A reproductive unit dispersed by fungi. By absorption — secreting enzymes to break down organic matter externally. Eukarya — they are eukaryotic organisms. Common with overconsumption or sensitive individuals; not always toxicity.

Question 40 Mycology Mushroom Foraging

What is gastrointestinal upset (mushrooms)?

Common with overconsumption or sensitive individuals; not always toxicity. Some cheeses use mold cultures (Penicillium roqueforti in blue cheese). A unicellular fungus, important in baking, brewing, and biology. An underground ascomycete fruiting body; very valuable.

Question 41 Mycology Mushroom Foraging

What is dichotomous key?

Place a cap on paper, cover with a bowl, wait several hours. Eat only when interior is uniformly white; cut to check. Cook first or freeze raw briefly; texture changes. An identification tool with paired choices.

Question 42 Mycology Mushroom Foraging

What is a king bolete?

An identification tool with paired choices. Emerging field protecting fungal biodiversity. Ants cultivating specific fungi for food in their colonies. Another name for porcini.

Question 43 Mycology Mushroom Foraging

What is mushroom identification by smell?

Mycelium-colonized material used to inoculate new substrate. The vegetative body of a fungus, made of fine thread-like hyphae. A tree species a fungus partners with (e.g., porcini and oaks). Some species have distinctive aromas (almond, anise, cucumber).

Question 44 Mycology Mushroom Foraging

What is the difference between psilocybin and muscimol?

Different compounds with different effects and mechanisms. Sources of antibiotics, immunosuppressants (cyclosporine), statins. Species used for health benefits (reishi, turkey tail, lion's mane, cordyceps). Growing fungi on agar plates for isolation and study.

Question 45 Mycology Mushroom Foraging

What are teeth (mushroom)?

Tooth-like projections under the cap of some species. Choosing healthy specimens and leaving older or younger ones. A book with descriptions and photos for ID; regional ones are best. Respect for ecosystem, regulations, and other foragers.

Question 46 Mycology Mushroom Foraging

What is Saccharomyces cerevisiae?

A round mushroom releasing spores when mature. The yeast used in baking and brewing. Decomposition, nutrient cycling, plant communication and support. Wood decay leaving white, fibrous remains; lignin-degrading fungi.

Question 47 Mycology Mushroom Foraging

What is Basidiomycota?

About 90%. The phylum containing most familiar mushrooms (gilled, polypores). Amanita phalloides ("death cap"); ~50% of mushroom poisoning deaths. Formation of tiny primordia signaling impending fruiting.

Question 48 Mycology Mushroom Foraging

What is a "mycorrhizal partner tree"?

Never eat a mushroom unless you are 100% certain of identification. Emerging field protecting fungal biodiversity. A tree species a fungus partners with (e.g., porcini and oaks). A pattern made by dropping spores from a mushroom cap; identification aid.

Question 49 Mycology Mushroom Foraging

What is the importance of native fungi conservation?

Converts sugar into alcohol and CO₂. Species growing on dead wood or living trees. Many declining due to habitat loss and climate change. Fungi, bacteria, and invertebrates together decompose matter.

Question 50 Mycology Mushroom Foraging

What are common toxic mushroom genera?

Amanita, Galerina, Cortinarius, Lepiota (in part). A popular cultivated edible (Lentinula edodes); often grown on logs. Emerging field protecting fungal biodiversity. A fungus forming symbiotic associations with plant roots.