Revision Mycology 2025 PDF

Choose Revision Mycology 1. It is......Mycelium that grows above the agar surface A. Aerial...

Choose Revision Mycology 1. It is......Mycelium that grows above the agar surface A. Aerial 2......... Spores that formed by fragmentation of septate mycelium in the septa. Put true or false a-. Arthrospores= oidia 1-Chlamydospores formed by fragmentation of septate mycelia at the septa. 3-filamentous Fungi are.......................organisms. 2- The Plectomycetes have a closed fructification apothecium a-heterotrophic 3-Mycelium gives color, texture, and appearance to the colony 4-Moulds are Filamentous fungi as 4-The basidiospores are produced exogenously on the basidium A. Aspergillus 5- Order Mucorales included under sub class Biflagellate 5-Sclerotia is a very dense, heavy-packed group of hyphae and serve as 6-The basidiospores are usually uninucleate and haploid. …….resistant resting structures 7- Zoospores are non-motile spores a-vegetative 8-Basidiomycetes are characterized by the presence of clamp connection of 6-The diploid phase of fungi life cycle begin with............ primary mycelium a-Karyogamy 9-Walls in Ascomycetes may contain a combination of cellulose and fungus chitin 7- Gametangial............... is characterized by the fusion of the entire confents 10- The fungi are living organisms that do not possess chlorophyll. of two contacting gametangia 11- The mycelium is the entire vegetative body of a single thallus. a-Copulation 12-The basidium is a comparable to the ascus of the Ascomycetes. 8- All members of order Chytridiales produce spores of….. 13-Total presence of antheridia and oogonia in the advanced Ascomycetes. A-Monoflgellate 14- In the Exosporeae, the spores are borne on the outside of the fruiting body 9- Members of family Erysiphaceae causes diseases of 15- Presence of motile cells in life cycle of basidiomycetes. a-powdery Mildew 16- The process in which primary mycelium changed into secondary mycelium are 10- During sexual reproduction, when the spermatia are transferred to the known as Dikaryotization. female gametangia or to special receptive hyphae, or even to somatic hyphae 17-The basidium bears a definite number of basidiospores. are known 18-The ascospores are produced endogenously in the Ascus A-Spermatization 19- Members of family Peronosporale causes powdery mildew diseases 11.....................restores the haploid condition in the four nuuclei that result 20- The primary mycelium of basidiomycetes is short-lived. from it. 21-Ascopores are characteristic of aquatic fungi A-meiosis 22- Walls in Zygomycetes are principally of cellulose, 12- The sex organs of fungi are called 23- The sexual process is characterized by the distinctive three steps namely a-Gamttangia Plasmogamy, Karyogamy and Meiosis 13....................are small, detachable bodies., either with.one or more cells and 24- Karyogamy: It is the fusion of the two nuclei of the dikaryon to form a diploid capable of germinating. nucleus forming zygote A. conidia 25- Planogametic copulation involves the fusion of two naked gametes one or both 14--The motile gametes in most primitive fungi called …….. of which are motile. a-Planogamctes 26. Cell wall of non-motile fungi made of chitin. 15-Order Mucorales included under kingdom 27. Hyphae may be coenocytic as in Zygomycetes. a-eumycota 28. Aerial mycelia are those that penetrate the surface of the medium and absorb a- Abnormal enlargement phenomenon of host cells defined as nutrients. a-hypertrophy 29. Filamentous (hyphal) known as yeast. 17- Order Leptomitales is classified from 30- The fungi resemble green plants as generally they have definite cells walls a-oomycota 31-Sexual reproduction in fungi involves the union of two compatible nuclei. 18-..............type of spores that is borne on the inside of the fruiting body. 32- The cleistothecia are the fruiting bodies in Discomycetes a-Ascospore 33-In Life cycle of some aquatic fungi forms zoosporangia. 19-The entire vegetative body of a single thallus. tt is composed of thread-like 34.Cellulose presents in the cell wall of higher fungi. structures 35- The term "heterothallic" is used to refer to species in which all individuals are a- Mycleium self-fertile 20- among the obligate parasites where they occur in the intercellular hypha 36- The fungi resemble green plants as generally they have motile spores a-haustria 37-Septa are the cross walls and are characteristic for some zygomycotina 21-plasmodium fused and no actual contact is necessary for complete sexual 38- The class Basidiomycetes differs from all other fungi in that they produce their reproduction in life cycle of spores, called Zygospores d-myxomycetae 39- The yeast fungi are characterized by unicellular cells. 22-yeast fungi are known as 40-THE NUMBER OF SEXUAL SPORE ARE 16 IN ASCUS d-unicellular 41-The ascospores are produced endogenously in the basidium 23-the mitotic division are characterized by…….. 42-Rhizopus belong to Aflagellate c-zygot 43- Plectomycetes have a closed fructification of perithetium 24-the entire distance between each two rhizoid of single thallus is …. 44-In Schizosaccharomyces asc formation occurs when two cells come together d-stolon (gametangia), fusion occurs and eight ascospores are delimited in one ascus 25-order endomycetales is classified from 45-life cycle of biflagellated fungi form zoosporangia d-ascomycetes (hemi ascomyctetes) 46-the Ascomycota are highly important in the break down of organic matter in the 26-types of spores produced endogenous of the fruiting body soil, as plant pathogens and for the production of antibiotics and other industrial c-ascospores substances 27-order Mucorales is classified from 47-basidiospore is comparable to ascus of ascomystes d-AFlagellate 48-Chlamydospores are frequently encountered and in some species, these 28-structure suspensor with coiled appendges was formed in sexual stage of are very abundant in a flagellate b-absidia 49-cunnighmella is a coprophilous genus where the mycelium grows rapidly on 29-the class mycomycetae is classified according to spores …. dung and produces characteristic sporangiophores a-position 50-the smut and rust belong to basidiomycetes 30-cleistothecium contain asci take shape …… a-globular 31-its mycelium grow beneath the agar surface …..\ c-vegetative 32-spore which formed by thickness of mycelium d-chlamydospores 33-in the life cycle of endomycetales the diploid phase is short while haploid phase is very long and known as c-haplobiontic 34-basidiospore usually uninucleate and c-haploid