Fungi practical past Q Flashcards
Sabouraud agar is used for culturing fungi.
True
Fungi are able to do photosynthesis.
False
Mycotoxicosis is caused by fungal toxins.
True
Malassezia pachydermatis has characteristics morphology, bottle-shape cells.
True
Cryptococcus neoformans forms mucoid colonies on Sabouraud agar.
True
Dermatophytes cause superficial mycosis.
False
F2 toxin can cause reduced fertility in cattle.
True
Equine epizootic lymphangitis is caused by Histoplasma farciminosum.
True
Dimorphic fungi have yeast form in host body
True
Stachybotryotoxins can cause immunosuppression in horse.
True
The pH of Sabouraud agar is higher than 6.5.
False (pH 5.5)
Yeasts can be cultured at 37 degrees.
True
Resistance of asexual spores is higher than sexual spores.
False (sexual spores have higher resistance)
Malassezia pachydermatis can cause external otitis in dogs.
True
Microsporum sp. is members of Dermatophytes.
True
Candida albicans can be found on mucous membranes of infected animals only.
False, (can be found in the intestinal tracts and in the oral cavities of healthy
individuals also)
Cryptococcus neoformans cannot form colonies on artificial medium.
True
Trichophyton verrucosum causes ringworm in cattle.
True
Aflatoxin is produced by Aspergillus fumigatus.
False (by A. flavus)
Penicillin is produced by Penicillum rubrum.
False, (P. notatum, P. chrysogenum)
Fungi have five phyla.
True
Funguses are based on the 18S and the 26S ribosomal RNA gene.
True
Glomeromycota phyla of fungi symbioses with plant roots.
True
Dermatophytes are obligate anaerobic.
False, (obligate aerobic)
Ochratoxin is produced by A. ochraceus.
True
Fumonisins can cause pulmonary oedema in horses.
False (in pigs)
Ochraceus causes kidney degeneration in cattle.
False (in poultry and pigs)
Patulin causes inhibition of ruminal flora.
True
Fusarium has pigment production.
True
T2 toxin can cause immunosuppression in cattle.
True (also poultry and pigs)
F. moniliforme can cause leukoencephalomalacia in horses.
True
Stachybotrys atra forms black colonies.
True
Dimorphic fungi have mould form on media only.
False (mould and environment)
B. dermatitis can cause blastomycosis (granulomatotis).
True
S. schenckii causes subcutaneus granulomatosis in humans.
True (also dog, cat and horse)
Coccoidioides immitis causes systemic mycosis in humans.
True (also dog, cat and horse)
Batrachocochytrium dendrobatidis can cause chytridiomycosis of amphibians.
True
Dermatophytes can be cultured at 37 degrees.
False (25 degrees)
Yeasts incubation condition time is 1-4 days.
True
Dermatophytes indubation condition time is 2-4 weeks.
True