Question 1

Which of the following is the correct sexual reproductive structure formed by Zygomycota?

Accepted Answer

Zygospore

Question 2

Which of the following genera is NOT classified under Zygomycota?

Accepted Answer

Aspergillus

Question 3

What is the main difference between coenocytic hyphae and septate hyphae in fungi?

Accepted Answer

Coenocytic hyphae lack septa and have continuous cytoplasm

Question 4

Which of the following is a class of Zygomycota that contains coprophilous fungi such as Pilobolus?

Accepted Answer

Mucorales

Question 5

Which compound forms the main structural component of Zygomycota hyphal cell walls?

Accepted Answer

Chitin

Question 6

A bread mold is observed to produce sporangia at the tips of aerial sporangiophores. Which genus is most likely being observed?

Accepted Answer

Rhizopus

Question 7

Which of the following best describes the process of gametangial conjugation in Zygomycota sexual reproduction?

Accepted Answer

Fusion of gametangia from opposite mating types to form a zygospore

Question 8

Which hormone is responsible for controlling sexual reproduction in Mucorales?

Accepted Answer

Trisporic acid

Question 9

Trisporic acid, the mating hormone in Mucorales, is derived from which precursor molecule?

Accepted Answer

$$\beta-$$carotene

Question 10

Which of the following is NOT a major order of Trichomycetes?

Accepted Answer

Mucorales

Question 11

Which of the following statements about Zygomycota asexual reproduction is correct?

Accepted Answer

It occurs through the formation of sporangia and non-motile sporangiospores

Question 12

Which of the following is an economically important product of Rhizopus oryzae?

Accepted Answer

Sake (rice wine)

Question 13

Which type of hyphae is responsible for anchoring Zygomycota fungi to their substrate?

Accepted Answer

Rhizoids

Question 14

In the sexual cycle of Zygomycota, which process occurs first?

Accepted Answer

Plasmogamy

Question 15

Which of the following best describes heterothallism in Zygomycota?

Accepted Answer

Sexual reproduction requires two different mating types (+ and -)

Question 16

Which of the following is a correct sequence of events in Zygomycota sexual reproduction?

Accepted Answer

Plasmogamy $$\rightarrow$$ Karyogamy $$\rightarrow$$ Meiosis

Question 17

Which of the following is a function of sporangiophores in Zygomycota?

Accepted Answer

Supporting sporangia for spore dispersal

Question 18

A scientist isolates a fungus from dung that produces globose sporangia at the tips of sporangiophores. Which class does this fungus most likely belong to?

Accepted Answer

Mucorales

Question 19

Which of the following is true about the hormonal control of sexual reproduction in Mucorales?

Accepted Answer

Trisporic acid is synthesized by both mating types and stimulates further synthesis of $$\beta-$$carotene

Question 20

Which of the following is NOT a function of chitosan in Zygomycota hyphae?

Accepted Answer

Facilitating nutrient absorption

Fungi Taxonomy: Zygomycota (Bread Molds) – Structure, Classification, and Reproduction

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