Lecture 20

Question 1

Are fungi multi or unicellular

Answer 1

Unicellular

Question 2

What are the Filamentous tube-like strands called

Answer 2

hypha

Question 3

What is Sclerotium

Answer 3

hardened mass of mycelium that generally serves as an overwintering stage

Question 4

What do Saprophytes or Saprobes feed on

Answer 4

dead tissues or organic waste (decomposers)

Question 5

Parasites feed on what

Answer 5

feeding on living tissue of a host

Question 6

What is fungal cell wall and insect exoskeleton made of

Answer 6

Chitin

Question 7

Absorptive heterotrophs

Answer 7

•Digest and absorb food
•Release digestive enzymes to breakdown organic material or their food/host

Question 8

Where do fungi get carbon from

Answer 8

Organic sources

Question 9

What does the tips of Hypha release

Answer 9

Enzymes

Question 10

Products of enzymatic breakdown diffuse to where

Answer 10

Back into Hypha

Question 11

Are fungi more closely related to plants or animals

Answer 11

Animals

Question 12

What do Most phytopathogenic fungi belong to

Answer 12

Basidiomycota and Ascomycota

Question 13

Are sexual spores meiotic or mitotic

Answer 13

Meiotic

Question 14

Are asexual spores meiotic or mitotic

Answer 14

Mitotic

Question 15

Function of spores

Answer 15

Ensure that species will disperse to new location

Question 16

Are spores motile or non-motile

Answer 16

Non motile

Question 17

How are spores dispersed

Answer 17

•wind
•rain

Question 18

What are fruiting bodies

Answer 18

Modified hyphae that make
Asexual spores

Question 19

Name the types of fruiting bodies

Answer 19

•Basidia
•Sporangia
•Ascus

Question 20

A hypha with 2 nuclei is called what

Answer 20

A zygote

Question 21

A zygote divides to make what

Answer 21

A spore

Question 22

What type of conditions is a spore used for

Answer 22

For survival
In poor environmental conditions eg lack of nutrients,space and moisture

Question 23

Example of club fungi

Answer 23

Basidiomycota

Question 24

Describe Basidiomycota

Answer 24

• Club fungi have fruiting bodies which are club-shaped.
• Sexual reproductive structures called basidia
• Include mushrooms, puffballs, and shelf fungi

Question 25

Example of Sac fungi

Answer 25

Ascomycota

Question 26

Describe Ascomycota

Answer 26

• Most are multicellular (except for yeast) • Common asexual reproduction • Sexual Reproduction-asci, ascospores • Largest phylum of Fungi • Important plant pathogens and saprobes

Question 27

Largest phylum of fungi

Answer 27

Ascomycota

Question 28

What are oomycetes closely related to

Answer 28

algae and to green plants

Question 29

What is oomycetes cell wall made of

Answer 29

β-glucans

Question 30

Example of asexual oomycetes

Answer 30

Zoospores

Question 31

Example of sexual oomycetes

Answer 31

Oospores