Biology: Quiz 1: Microbial Taxonomy and Fungi

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Penicillium chrysogenum is considered important because it is the first ________ discovered.

antibiotic

Organisms are classified as either a prokaryote or a eukaryote based on their _______.

cellular structure

This term refers to the structure in which spores are produced.

sporangium

Long hyphae that act as anchors to a surface are called ________.

stolon

Most species of the kingdom Zygomycota are called

terrestrial saprophytes

The process of budding can be defined as:

the production of new organisms by pinching off a portion of the parent cell

Fungi are grouped into club fungi or sac fungi according to:

the shape of their spore-producing structures

Which of the following best describes the structure of sporangiophore?

tiny stalk-like structures which support the sporangium

Select common organisms which are part of the phylum Ascomycota.

yeast, morels

Multiple select. Select the phyla of fungi you will be studying in this section.

Ascomycota Basidiomycota Chytridiomycota Zygomycota

Without spores, fungi could not:

reproduce

Saccharomyces cerevisiae is important to the food industry in what way?

causes bread to rise

Symbiosis is defined as a _______ relationship between two different species.

win-win

Morels are commonly found growing on damp forest floors.

True

Multicellular fungi are composed of thread-like structures called __________.

hyphae

Fungi are classified as saprophytes when they exhibit which characteristic?

obtain food from non-living organic material

An organism which lives directly on or in another organism without providing any benefits to its host is called a:

parasite

Select reasons why fungi are no longer classified as plants.

Fungi do not produce their own food. Fungi do not exhibit tissue differentiation. Fungi cell walls are composed of chitin.

Select reasons why chytrids differ significantly from other fungi.

Most members are aquatic. The reproductive cells have flagellum.

How do rhizoids help fungi to obtain food?

They produce enzymes which break down organic molecules into a useable form.

The name of the fruiting body for all sac fungi is ________.

ascus

Archaea and Eubacteria are kingdoms composed of organisms which:

do not have a membrane-bound nucleus

The breaking down of complex molecules into simpler molecules which cells can use for food is called ___________.

fermentation

The wide-spread destruction of elm trees in the United States was caused by _________.

Ceratocystis ulmi

Select all the kingdoms that are composed of eukaryotes.

Fungi Plantae Protista Animalia


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