Lec6

Question 1

• largest phylum of Fungi
• Some species are asexual
• form fruiting bodies around the asci (ascocarps)
• monophyletic group
• Several species are biological model

Answer 1

Ascomycota

Question 2

1) Cleistothecium
2) Perithecium
3) Apothecium
4) Pseudothecium
This is type of what?

Answer 2

Type of Ascocarps

Question 3

It is a unicellular fungus whose cell shape may be oval or spherical.

Answer 3

Saccharomyces

Question 4

• found on the surface of plants and in sugar solutions
• Reproduction by producing endospores, binary fission, and sexual.
• some are grow on food and spoil it

Answer 4

Saccharomyces

Question 5

yeast fungus multiplies by forming?

Answer 5

internal spore in unfavorable conditions

Question 6

• found in various climates worldwide.
• defined as a group of conidial fungi, asexual state
• ability to grow where a high osmotic pressure exists
• highly aerobic.

Answer 6

Aspergillus

Question 7

is a fungal genus within the Ascomycota and one of the more commonly observed species causes peach leaf curl.

Answer 7

Taphrina

Question 8

• is a genus of fungi in the family Erysiphaceae.
• are plant pathogens which cause powdery mildew
• Symptoms are in the form of spots of white appearance
• sexually by forming spherical, black Cleistothecia, partially embedded in the mycelium
• asexually by forming conidia carriers

Answer 8

Erysiphe

Question 9

• Ascospores are filamentous or needle shaped.
• causes Ergot disease on grassy
• disease is spread under cold weather

Answer 9

Claviceps

Question 10

commonly known as the Cellar Cup is a species of Ascomycete fungus.

Answer 10

Peziza

Question 11

Name means a sort of fungus without a root or stalk.

Answer 11

Peziza

Question 12

• is obligate Saprophytic.
• upper surface of the fungus has a layer of cylindrical spore producing cells called asci.

Answer 12

Peziza

Question 13

found growing on dead wood

Answer 13

Xylaria

Question 14

Why Neurospora is widely used in genetics as a model organism ?

Answer 14

because it is quickly reproducing, is easy to culture and can survive on minimal media

Question 15

• true morels.
• Is a genus of edible sac fungi closely related to anatomically simpler cup fungi in the order Pezizales.
• distinctive fungi have a honeycomb appearance due to the
  network of ridges with pits composing their caps.
• species are used to treat indigestion, phlegm, croup, and shortness of breath.

Answer 15

Morchella

Question 16

• known as desert truffles.
• edible hypogeous fungi (grow in arid and semi-arid areas)
• need plenty of rain to develop.

Answer 16

Terfezia

Question 17

fungal symbionts in the majority of lichens (loosely termed “ascolichens”) such as Cladonia belong to the Ascomycota.
T/F?

Answer 17

T

Question 18

• few of them parasitize higher plants
• used as a gut laxative and is a source of vitamin B and some proteins
• used in the bread industry

Answer 18

Saccharomyces

Question 19

cause diseases of the skin and nervous system of humans.

Answer 19

Torulopsis and Blastomycosis

Question 20

causes cracks in a woman’s vagina.

Answer 20

Yeast vaginiliism

Question 21

causing mental impairment in humans.

Answer 21

Cryptococcus neoformans

Question 22

It affects the mucous membrane of the skin, fingers and lung.

Answer 22

Candida albicans

Question 23

ability to grow where a high osmotic pressure exists

Answer 23

(Aspergillus)