Exam Questions / Microbiology

Mycology Questions

Written by MicroDok

STUDY QUESTIONS

  • What is mycology?
  • How is Sabouraud dextrose agar (SDA) different from bacteriological media?
  • Define diphasic or dimorphic fungi.
  • Succinctly describe slime moulds and mushrooms.
  • Enumerate the significance of fungi to mankind.
  • Briefly describe mycorrhizae and endophytes.
  • What are phytopathogens?
  • Succinctly describe the fungal thallus based on mycelium and hyphae.
  • What is coenocytic hypha?
  • What are imperfect fungi?
  • What class of fungi is mushroom classified under?
  • Mention two species of mushrooms that are edible.
  • Briefly describe the 3 divisions of perfect fungi.
  • What are aflatoxins?
  • Briefly describe budding in yeast cells.
  • Succinctly explain reproduction in fungi.
  • What is mycosis?
  • What is the causative agent of white piedra and black piedra?
  • Describe in details dermatophytes.
  • What is the causative agent of sporotrichosis?
  • Briefly describe superficial mycoses, cutaneous and subcutaneous mycoses.
  • Enumerate five causative agents of systemic mycoses.
  • Define opportunistic mycosis with two examples of its causative agents.
  • What are the causative agents, pathogenesis, diagnosis and treatment of paracoccidioidomycosis, coccidioidomycosis, blastomycosis, histoplasmosis and candidiasis?
  • List five mycoses caused by opportunistic fungi and enumerate their causative agents.
  • What are mycotoxins?
  • Briefly describe the significance of potassium hydroxide (KOH) and lactophenol cotton blue mount/stain in the laboratory diagnosis of fungal infections.
  • What are lichens?
  • Brief explain the wood lamp examination.
  • Explain in details the importance of lichens to mankind.
  • How do exogenous fungal infections differ from endogenous fungal infections?
  • How do mycobiont differ from phycobiont?
  • Mention two moulds that are notorious in causing spoilage of bread.
  • Diagrammatically illustrate the structure of Rhizopus
  • What are endophytes?
  • Define budding.
  • Briefly describe the antimicrobial significance of lichen metabolites.
  • What is ergotism?
  • What is the causative agent of ergot disease in plants?
  • With examples of their types, briefly describe slime moulds.
  • Diagrammatically illustrate budding in yeast cells.
  • Define mycotoxicoses.
  • What is the causative agent of Pityriasis?
  • What are the causative agents of Tinea barbae and Tinea capitis?
  • Outline two main causative agents of onchomycosis.
  • What is another name for athlete’s foot?
  • Enumerate and briefly explain the three forms of lichens.
  • A seven year old boy from a rural area where sanitation and access to potable water is poor has advancing red circular patches around his skin especially on his head and some parts of the back and neck region. As a mycologist, briefly describe the possible causative agents of this infection and explain its clinical feature. Also mention which type of fungal infection it is.
  • Briefly describe the causative agent, clinical feature and site of infection of Coccidioidomycosis in humans.
  • Mention the causative agent of pneumocystosis.
  • What is mycotoxicology?
  • Describe chromoblastomycosis; and outline the five causative agents of this type of mycosis.
  • Write a short note on mushroom farming.
  • Outline and briefly describe the steps involved in mushroom farming.

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MicroDok

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