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WorksheetsFungi Recap
Total questions: 23
Worksheet time: 17mins
How does Rhizopus reproduce?
Asexually
Sexually
What are progametangia?
Swellings that have grown on a plus strain
Swellings that have grown on a minus strain
Swellings that have grown on both strains but have not yet touched
Swellings that have grown on both strains that have touched
(a) form to produce gametangia
A gametangia is.....
A specialised cell in which gametes are formed
Formed when the nucleus enters the swelling on a minus strain
Formed when the nucleus enters the swelling on a positive strain
The dissolving of the walls of the gametangia leads to which
The formation of haploid zygote nuclei
The formation of swellings on both the plus and minus strands
The formation of diploid zygote nuclei
The formation of swellings on only the plus strand
What is the function of a zygospore?
To encase the diploid nuclei until the right conditions are met for meiosis to occur
To encase the haploid nuclei until the right conditions are met for meiosis to occur
To encase the diploid nuclei until the right conditions are met for mitosis to occur
To encase the haploid nuclei until the right conditions are met for mitosis to occur
Sexual reproduction in Rhizopus can only occur between....
2 positive strains
2 negative strains
1 positive strain and one negative strain
Allows the Rhizopus to grow more quickly
Sporangiospore
Stolon
Mycellium
Rhizoids
Hyphae as a group are called...
Stolon
Rhizoids
Mycellium
Sporangium
Rhizopus is most commonly known as....
Bread mould
Black mould
Cereal mould
Bathroom mould
These type of fungi live on the host but do not normally kill them
Facultative parasites
Obligate parasites
This type of parasite kills the host and feeds on the remains
Obligate parasite
Facultative parasite
What is a mycorrhiza?
A symbiotic relationship between a green plant and a fungus
A parasite that lives on green plants
A non-parasitic fungus that lives on green plants
Define saprophytic
Obtains nutrients from living organisms
Obtains nutrients from decaying matter
Obtains nutrients through both decaying matter and living organisms
Define parasitic
Absorbs food from live host
Absorbs food from decaying matter
Absorbs food from both live hosts and decaying matter
State one way in which yeast is beneficial to humans.
Baking
Cleaning
Helps with digestion
What term refers to an organism that lives in or on another organism (the host) from which it derives its nourishment and causes it harm?
Phototroph
Parasite
Decomposer
Give one example of a harmful fungus.
Athlete's Hand
Ringlion
Carrot Blight
Thrush
Give a disadvantage of asexual reproduction in organisms such as yeast.
Fungi may be classified into two groups on the basis of their nutrition. One of these groups is the parasitic fungi. What is the other group?
(a)
Draw a labelled diagram of a reproducing yeast cell.
You have studied Yeast and one other fungus. Name this fungus and give one way in which it differs from Yeast
Explain what happens when the zygospore reaches a location at which conditions for its germination are suitable. Select all answers that are correct.
meiosis
hypha grows
sporangium produces spores
