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

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.

2 / 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.

3 / 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).

4 / 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.

5 / 10

What causes green mouldy bread?

a) Aspergillus fungi

b) Algae

c) Penicillium fungi

c). Penicillium fungi are the most frequent cause of the green mold spots on old bread. Mouldy bread is not safe to eat as some green mould species can produce mycotoxins.

(Photo source: Henry Mühlpfordt, Wikimedia)

c). Penicillium fungi are the most frequent cause of the green mold spots on old bread. Mouldy bread is not safe to eat as some green mould species can produce mycotoxins.

(Photo source: Henry Mühlpfordt, Wikimedia)

6 / 10

What is the difference between molds and slime molds?

a) Slime molds are aquatic molds

b) Molds are fungi, while slime molds are not

c) There is no difference

b). Molds are multicellular, filamentous fungi, while slime molds belong to a more primitive group of organisms called the Protista, which form unicellular or colonial forms such as amoebas and primitive algae.

(left) slime mold (right) mold (Photo source: D. Sadikovic, Mold Busters)

b). Molds are multicellular, filamentous fungi, while slime molds belong to a more primitive group of organisms called the Protista, which form unicellular or colonial forms such as amoebas and primitive algae.

(left) slime mold (right) mold (Photo source: D. Sadikovic, Mold Busters)

7 / 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)

8 / 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.

9 / 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.

10 / 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).

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