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Ciuperci

Total questions: 30

Worksheet time: 15mins

Name
Class
Date
1.

Under certain unfavorable environmental conditions, yeasts enter a latent life form similar to bacteria. What is the specialized structure they form in this state called?

a)

Chlamydospores

b)

Conidia

c)

Basidiospores

d)

Zoospores

2.

In multicellular fungi (molds), the vegetative apparatus (thallus) consists of long, branched filaments that collectively form the mycelium. What are these filaments called?

a)

Hyphae

b)

Rhizoids

c)

Sporangia

d)

Conidiophores

3.

Which description best characterizes aseptate (non-septate) hyphae in multicellular fungi?

a)

A single, highly branched giant cell with free cytoplasm and many nuclei

b)

Elongated cells separated by transverse walls with pores

c)

Short, unbranched cells with thick lignified walls

d)

Cells containing chloroplasts for photosynthesis

4.

Which feature is typical of septate hyphae in multicellular fungi?

a)

Transverse walls with pores connecting cytoplasm between adjacent cells

b)

A single continuous cytoplasm with no internal partitions

c)

Presence of chloroplasts in each septum

d)

Rigid walls made primarily of peptidoglycan

5.

According to the text, which biochemical component chiefly contributes to the rigidity of the fungal cell wall?

a)

Chitin

b)

Cellulose

c)

Lignin

d)

Peptidoglycan

6.

Fungi have an exclusively heterotrophic mode of nutrition and are equipped with hydrolytic enzymes. Which industrial process is highlighted as a principal enzymatic activity of fungi?

a)

Fermentation of carbohydrates

b)

Nitrogen fixation

c)

Photosynthetic carbon assimilation

d)

Calcium carbonate deposition

7.

Which statement about fungal respiration is supported by the passage?

a)

Fungi can respire both aerobically and anaerobically

b)

Fungi rely exclusively on aerobic respiration

c)

Fungi rely exclusively on anaerobic respiration

d)

Fungi perform photosynthetic respiration

8.

The passage classifies fungi into four groups based on their reproduction. Which set correctly lists these classes?

a)

Phycomycetes, Ascomycetes, Basidiomycetes, Deuteromycetes

b)

Zygomycetes, Oomycetes, Glomeromycetes, Microsporidia

c)

Chytridiomycota, Mucorales, Agaricomycetes, Saccharomycetales

d)

Euglenophyta, Chlorophyta, Rhodophyta, Phaeophyceae

9.

In the classification of fungi, which criteria are explicitly mentioned: morphological structure, mode of life, or type of reproduction leading to four classes? Select all that apply.

a)

Morphological structure: unicellular and multicellular

b)

Mode of life: saprophytic and parasitic (strict and conditional)

c)

Type of spore dispersal by wind

d)

Type of reproduction leading to four classes

e)

Habitat salinity tolerance

10.

From the viewpoint of reproduction, which groups are listed as fungal classes? Select all that apply.

a)

Phycomycetes

b)

Ascomycetes

c)

Basidiomycetes

d)

Oomycetes

e)

Deuteromycetes

11.

The genus Saccharomyces belongs to which fungal class?

a)

Ascomycetes

b)

Basidiomycetes

c)

Deuteromycetes

d)

Zygomycetes

12.

According to the text, Saccharomyces transforms sugars primarily by which process?

a)

Alcoholic fermentation to ethanol and carbon dioxide

b)

Lactic acid fermentation to lactic acid

c)

Aerobic oxidation to acetic acid

d)

Photosynthesis producing glucose and oxygen

13.

Which species is the brewer’s and baker’s yeast widely used in the spirits, beer, and baking industries?

a)

Saccharomyces cerevisiae

b)

Saccharomyces ellipsoideus

c)

Candida albicans

d)

Mycoderma vini

14.

Which species of Saccharomyces is used in vinification and can ferment up to approximately 18% alcohol?

a)

Saccharomyces ellipsoideus

b)

Saccharomyces cerevisiae

c)

Candida albicans

d)

Zygosaccharomyces rouxii

15.

Which genus grows in sugar-rich media, carries out weak alcoholic fermentation, and can spoil jams, compotes, and syrups?

a)

Zygosaccharomyces

b)

Mycoderma

c)

Candida

d)

Saccharomyces

16.

Which genus forms a surface film on alcoholic beverages (especially wines) and oxidizes ethanol to carbon dioxide and water, reducing the drink’s strength?

a)

Mycoderma

b)

Saccharomyces

c)

Zygosaccharomyces

d)

Candida

17.

Which genus includes opportunistic pathogenic yeasts affecting humans and animals, with Candida albicans as the most important species?

a)

Candida

b)

Saccharomyces

c)

Zygosaccharomyces

d)

Mycoderma

18.

In the provided micrograph of Candida albicans, what distinctive feature is evident?

a)

Pseudomycelium

b)

True septate hyphae

c)

Bacterial endospores

d)

Motile cilia

19.

Candida (including Candida albicans) is placed in which fungal class in the text?

a)

Deuteromycetes

b)

Ascomycetes

c)

Basidiomycetes

d)

Phycomycetes

20.

Asexual reproduction in the yeasts of the group Candida occurs by blastospores.

a)

Budding

b)

Blastospores

c)

Binary fission

d)

Zygospores

21.

Under conditions of reduced resistance in animals, which factors favor excessive multiplication of Candida leading to candidiasis? Select all that apply.

a)

Advanced age

b)

Prolonged antibiotic or chemotherapy treatments

c)

Balanced nutrition with adequate vitamins

d)

Stress and intercurrent diseases

22.

Severe disseminated candidiasis may produce metastases via the bloodstream. Which organs are specifically mentioned as sites of metastases? Select all that apply.

a)

Kidneys

b)

Heart

c)

Nervous system

d)

Bones

23.

Which filamentous genus is highlighted among pluricellular molds and classified in Ascomycetes?

a)

Aspergillus

b)

Candida

c)

Penicillium

d)

Rhizopus

24.

Within Aspergillus, which type of spore promotes easy spatial spread during asexual reproduction?

a)

Endospores

b)

Exospores (conidia)

c)

Ascospores

d)

Zygospores

25.

Aspergillus niger is rich in enzymes and is used industrially. Which products or processes are associated with A. niger? Select all that apply.

a)

Production of amylases

b)

Production of citric acid

c)

Production of aflatoxin

d)

Production of penicillin

26.

Aspergillus oryzae develops on starch-rich substrates and produces a light alcoholic fermentation. For what beverage is it traditionally used?

a)

Sake

b)

Kefir

c)

Wine

d)

Beer

27.

Aspergillus flavus produces a strong toxin when growing on feed. Which statement is correct?

a)

It produces aflatoxin, a hepatotoxic substance that can lead to liver cancer.

b)

It produces penicillin, which inhibits bacterial growth.

c)

It produces citric acid used as a food additive.

d)

It produces ethanol for alcoholic beverages.

28.

Aspergillus fumigatus commonly affects the respiratory system. Which environments or materials are typical sources of exposure mentioned for this species? Select all that apply.

a)

Cereals and hay

b)

Dry fodder and dust

c)

Fresh fruit

d)

Moldy bedding in animal housing

29.

In humans, Aspergillus fumigatus most often presents with pulmonary localization, especially among which workers?

a)

Office administrators

b)

Agricultural and animal-care workers

c)

Fishermen

d)

Construction architects

30.

Identify the genus depicted in the micrograph labeled “Figure 27,” which shows microscopic aspects of pluricellular molds with conidial structures.

a)

Aspergillus

b)

Candida

c)

Mucor

d)

Saccharomyces