BIO 172 - EXAM 2 WITH 100% CORRECT ANSWERS 2026

BIO 172 - EXAM 2 WITH 100%
CORRECT ANSWERS 2026


Which of the following are features of fungi?
A. They can only divide through meiosis
B. They secrete enzymes to acquire nutrients.
C. Can exist as single cells or multicellular forms.
D. They are characterized by autotrophic nutrition.
E. They are more closely related to animals than to plants. (Ch.
31) correct answer B. They secrete enzymes to acquire
nutrients.
C. Can exist as single cells or multicellular forms.
E. They are more closely related to animals than to plants.


Which of the following fungal phyla belong to the subdivision of
the "chytrids"?
A. Blastocladiomycota
B. Chytridiomycota
C. Neocallimastigomycota
D. Ascomycota (Ch. 31) correct answer A. Blastocladiomycota
B. Chytridiomycota
C. Neocallimastigomycota


Microsporidia share a common ancestor with fungi in the Phylum
__________________. (Ch. 31) correct answer Zygomycota

,What is the term for a scientist who studies fungi? (Ch. 31)
correct answer Mycologist


A mycelium is composed of filaments called _____________. (Ch.
31) correct answer Hyphae


Fungi are most closely related to which of the following? (Ch. 31)
correct answer Animals


The main body of a multicellular fungus is called a(n)
__________________. (Ch. 31) correct answer Mycelium


Which of the following is not a fungal group?
A. Chytridiomycota
B. Glomeromycota
C. Ascomycota
D. Poriferamycota
E. Zygomycota (Ch. 31) correct answer D. Poriferamycota


Which of the following are reproductive structures found in fungi?
A. Puffballs
B. Toadstools
C. Cell walls
D. Mushrooms (Ch. 31) correct answer A. Puffballs
B. Toadstools

,D. Mushrooms


The Microsporidia share a common ancestor with fungi in which
Phylum? (Ch. 31) correct answer Zygomycota


True or false: Fungal cells or hyphae may have more than one
nucleus. (Ch. 31) correct answer True


Rationale: Fungi are different from most animals and plants in
that each cell or hypha can contain one, two, or even more nuclei.


A scientist who studies fungi is known as a(n) _____________.(Ch.
31) correct answer Mycologist


A fungal mycelium containing two separate nuclei that divide at
each cell division is said to be _______________. (Ch. 31) correct
answer Dikaryotic


What are fungal filaments called? (Ch. 31) correct answer
Hyphae


A monokaryotic hypha has which of the following structures? (Ch.
31) correct answer One haploid nucleus


A mass of connected hyphae is called a(n) ________________.(Ch.
31) correct answer Mycelium

, The threadlike nature of fungal hyphae means that which of the
following relationships is true? (Ch. 31) correct answer High
surface area-to-volume ratio


Which statement about fungal cells is true? (Ch. 31)
A. They may have one or two nuclei, but not more.
B. They may have one, two, or more nuclei.
C. They always have two nuclei, unlike other eukaryotic cells.
D. They always have only one nucleus, just like other eukaryotic
cells. correct answer B. They may have one, two, or more
nuclei.


When a fungus undergoes mitosis, which of the following occurs?
(Ch. 31) correct answer The spindle apparatus forms within the
nucleus.


A dikaryotic cell contains which of the following? (Ch. 31) correct
answer Two separate nuclei


If a hypha has one nucleus, it is said to be ______________. (Ch. 31)
correct answer Monokaryotic


In order for sexual reproduction to occur in a fungus, two
____________ hyphae of compatible _____________ types must fuse.
(Ch. 31) correct answer Haploid, mating


The main body of a multicellular fungus is called a(n)
_________________.(Ch. 31) correct answer Mycelium