Mold Quiz

Take this quiz about mold to learn more about the dangers of mold and how you can prevent it.

Mold Busters Quiz

1 / 10

Why did the Italian botanist Pier Antonio Micheli give the genus Aspergillum its name?

a) Because fungi from the genus Aspergillum look like asparagus

b) Because fungi from the genus Aspergillum were discovered in the Asperg town, Germany

c) Because fungi from the genus Aspergillum look like the Christian Holy Water sprinkler device

a) they look like the Christian Holy Water sprinkler device, called aspergillum.

(up) Aspergillum (Photo Source: Pearson Scott Foresman, Wikipedia); (down) Aspergillus niger conidiophore (Photo source: Kathie Hodge, Flickr).

a) they look like the Christian Holy Water sprinkler device, called aspergillum.

(up) Aspergillum (Photo Source: Pearson Scott Foresman, Wikipedia); (down) Aspergillus niger conidiophore (Photo source: Kathie Hodge, Flickr).

2 / 10

Out of a hundred cases of chronic sinusitis (the most common chronic sinus infections), how many cases are mold-related?

a) 15

b) 56

c) 96

c) 96. A clinical survey discovered mold in mucus of 96% of patients suffering from chronic sinus infections, a disease which annually impacts more than 20 million adults U.S.

c) 96. A clinical survey discovered mold in mucus of 96% of patients suffering from chronic sinus infections, a disease which annually impacts more than 20 million adults U.S.

3 / 10

What is the difference between yeasts and molds?

a) Yeasts are larger than molds

b) Yeasts reproduce by water, while molds spread through air

c) Number of cells

c) Number of cells. Molds are multicellular, filamentous organisms, while yeasts are aggregations of single-cell organisms which aggregate and act as an individual. Interestingly, some fungi can revert from a yeast form to a filamentous form, depending on certain ecological conditions.

Fungi under microscope;(left) Yeast (right) Mould (Photo source: Bob Blaylock, Wikimedia)

c) Number of cells. Molds are multicellular, filamentous organisms, while yeasts are aggregations of single-cell organisms which aggregate and act as an individual. Interestingly, some fungi can revert from a yeast form to a filamentous form, depending on certain ecological conditions.

Fungi under microscope;(left) Yeast (right) Mould (Photo source: Bob Blaylock, Wikimedia)

4 / 10

Treating mold on walls using bleach will:

a) Kill the mold

b) Stop the mold from spreading

c) Contaminate the space with dangerous evaporations

c). Applying bleach to a mouldy wall will only contaminate the space with dangerous evaporations. Bleach only destroys the superficial part of the organism, while the rest of the mold and its spores can survive and continue to spread.

c). Applying bleach to a mouldy wall will only contaminate the space with dangerous evaporations. Bleach only destroys the superficial part of the organism, while the rest of the mold and its spores can survive and continue to spread.

5 / 10

According to some statistical overviews, what percentage of Canadian homes have mold-free basements?

a) 8%

b) 50%

c) 60%

The correct answer is 8%, and the most common types (in two-thirds of cases) belong to the Penicillium/Aspergillus group.

The correct answer is 8%, and the most common types (in two-thirds of cases) belong to the Penicillium/Aspergillus group.

6 / 10

What percentage of asthma episodes may be triggered by the presence of household of mold in the U.S.?

a) 16%

b) 21%

c) 5%

b) 21%, which translates to approximately 4.6 million people suffering from mold-related respiratory problems only in the United States.

b) 21%, which translates to approximately 4.6 million people suffering from mold-related respiratory problems only in the United States.

7 / 10

Molds are genetically closest to:

a) Plants

b) Humans

c) Bacteria

b). Humans because the latest molecular studies have placed the kingdom of Fungi (where molds belong) and the kingdom of Animalia (where humans belong) into a superkingdom named Opisthokonta

The Tree of Life of the planet's organisms. (Photo source: Micallen0713, Wikimedia).

b). Humans because the latest molecular studies have placed the kingdom of Fungi (where molds belong) and the kingdom of Animalia (where humans belong) into a superkingdom named Opisthokonta

The Tree of Life of the planet's organisms. (Photo source: Micallen0713, Wikimedia).

8 / 10

What are molds?

a) Fungi

b) Bacteria

c) Viruses

a). Molds are multicellular, filamentous organisms that belong to the kingdom of Fungi.

a). Molds are multicellular, filamentous organisms that belong to the kingdom of Fungi.

9 / 10

The first antibiotic was extracted from:

a) A mushroom

b) A mold

c) A rare plant

b). Penicillin, the first antibiotic, was isolated and discovered in 1928 by Dr. Alexander Fleming from Penicillium mold.

b). Penicillin, the first antibiotic, was isolated and discovered in 1928 by Dr. Alexander Fleming from Penicillium mold.

10 / 10

What is the main reason of mold infestation throughout most households in the world?

a) Unhygienic living conditions

b) Type of building material

c) Excess moisture

c). Moisture is the crucial ingredient for mold to thrive. Generally, the most common reasons for indoor mold spread are plumbing and roof leaks, wet basements, bad yard drainage, and high humidity.

c). Moisture is the crucial ingredient for mold to thrive. Generally, the most common reasons for indoor mold spread are plumbing and roof leaks, wet basements, bad yard drainage, and high humidity.

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