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 most dangerous way you can mold exposure is by:

a) Skin contact

b) Ingestion

c) Inhalation

d) All of the above

d) All of the above. Furthermore, prolonged exposure to mold can manifest in symptoms ranging from rashes, allergies and flu-like symptoms to neurological damage and even death.

d) All of the above. Furthermore, prolonged exposure to mold can manifest in symptoms ranging from rashes, allergies and flu-like symptoms to neurological damage and even death.

2 / 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).

3 / 10

What causes black mouldy bread?

a) Rhizopus fungi

b) Ants

c) Penicillium fungi

a). Rhizopus fungi create black mold spots on old bread. It is never safe to eat mouldy bread as ingesting black mold can cause nausea, vomiting, and allergic reactions.

a). Rhizopus fungi create black mold spots on old bread. It is never safe to eat mouldy bread as ingesting black mold can cause nausea, vomiting, and allergic reactions.

4 / 10

How many children under the age of five succumb to the adverse effects of air pollution (particulates, mold, and bacteria), globally?

a) 6 000

b) 60 000

c) 600 000

c) 600 000. Furthermore, according to the UNICEF statistics, of all pneumonia-related mortalities of children under the age of five, half can be traced to air pollution.

c) 600 000. Furthermore, according to the UNICEF statistics, of all pneumonia-related mortalities of children under the age of five, half can be traced to air pollution.

5 / 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).

6 / 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)

7 / 10

Certain molds can use one of the following to stimulate their growth:

a) Certain sound frequencies

b) Radiation

c) Fear hormones

b). Radiation. Some melanin-producing molds, such as Cladosporium sphaerospermum, can use radiation to increase the rate of their metabolism, eat more and grow several times faster. Interestingly, experiments conducted on the International Space Station showed the potential of these molds to be used for radiation shielding during long space flights.

Melanin-producing Cladosporium sphaerospermum colony (Photo source: Medmyco, Wikimedia)

b). Radiation. Some melanin-producing molds, such as Cladosporium sphaerospermum, can use radiation to increase the rate of their metabolism, eat more and grow several times faster. Interestingly, experiments conducted on the International Space Station showed the potential of these molds to be used for radiation shielding during long space flights.

Melanin-producing Cladosporium sphaerospermum colony (Photo source: Medmyco, Wikimedia)

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

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)

10 / 10

Chemical structure of cellular walls of mold fungi is similar to:

a) Plants

b) Lobsters

c) Armadillos

b) Lobsters, because the shell of arthropods (crustations, insects, spiders, and such animals) and the cell walls of fungi (molds) are made of chitin, a structural polysaccharide (sugar) molecule.

The cell wall structure of Fungi (Photo source: Maya and Rike, Wikimedia)

b) Lobsters, because the shell of arthropods (crustations, insects, spiders, and such animals) and the cell walls of fungi (molds) are made of chitin, a structural polysaccharide (sugar) molecule.

The cell wall structure of Fungi (Photo source: Maya and Rike, Wikimedia)

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