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

The blue-green veins in cheeses such as Gorgonzola and Roquefort originate from

a) Molds

b) Bacteria

c) Food colouring

a). The blue veins are the result of Penicillium molds forming colonies in the presence of air. This cheese, even though technically spoiled, is considered safe and a delicacy.

a). The blue veins are the result of Penicillium molds forming colonies in the presence of air. This cheese, even though technically spoiled, is considered safe and a delicacy.

2 / 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.

3 / 10

How did the Penicillium mold got their name?

a) Because they look like pencils

b) Because of their smell

c) Because they look like paintbrushes

c) Because they look like paintbrushes – The entire genus Penicillium got its name because their spore-bearing structures look like paintbrushes, which are called “penicilli” in Latin.

Penicillium sp. conidiophore (Photo source: AJC1, Wikimedia).

c) Because they look like paintbrushes – The entire genus Penicillium got its name because their spore-bearing structures look like paintbrushes, which are called “penicilli” in Latin.

Penicillium sp. conidiophore (Photo source: AJC1, Wikimedia).

4 / 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).

5 / 10

What is the molds function in an ecosystem?

a) To infect weaker organisms, thus strengthening a population

b) To recycle organic matter

c) To make symbiosis with plants and help them grow

b) To recycle organic matter through decomposition and mineralization. In fact, everything lignin-containing can only be dissolved by saprophytic fungi, without which life on this planet wouldn’t be possible due to sheer amounts of debris formed by undecomposed plant material.

Nutrient cycle (Photo source: Jakob Assmann)

b) To recycle organic matter through decomposition and mineralization. In fact, everything lignin-containing can only be dissolved by saprophytic fungi, without which life on this planet wouldn’t be possible due to sheer amounts of debris formed by undecomposed plant material.

Nutrient cycle (Photo source: Jakob Assmann)

6 / 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.

7 / 10

What is the most common toxic mold types found in Canadian and U.S. homes?

a) Penicillium/Aspergillus group

b) Chaetomium

c) Stachybotrys

d) Alternaria

a) Penicillium/Aspergillus mold are the most common mold type in 38% of the investigated households.

a) Penicillium/Aspergillus mold are the most common mold type in 38% of the investigated households.

8 / 10

What are the chances of developing respiratory or asthma-related health problems due to the building dampness and mold exposure?

a) 30-50%

b) 1-5%

c) 100%

a) 30-50%. Studies show that consistent associations of dampness with adverse health effects, strongly suggesting a causation by dampness-related exposures.

a) 30-50%. Studies show that consistent associations of dampness with adverse health effects, strongly suggesting a causation by dampness-related exposures.

9 / 10

Long-term exposure to mold spores can cause:

a) Allergies

b) Pneumonia

c) Eye infection

d) Necrotic tissue

e) All of the above

e) All of the above. Prolonged exposure to molds can induce many different health problems, with intensity depending from mild irritations in healthy people to life-threatening infections in immunocompromised patients.

e) All of the above. Prolonged exposure to molds can induce many different health problems, with intensity depending from mild irritations in healthy people to life-threatening infections in immunocompromised patients.

10 / 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.

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