30 Questions
What is the main function of the vegetative mycelium?
To anchor the fungus and absorb nutrients
What is the primary characteristic of algae that distinguishes them from other organisms?
Ability to perform photosynthesis using photosynthetic pigments
What type of fungi are characterized by the presence of a flagellum in their gametes?
Chytridiomycota
What is the term for the cross walls that divide the hypha into compartments or cells?
Septum
What is the main difference between unicellular and multicellular algae?
Number of cells in the organism
Which type of hyphae have no septa between cells?
Coenocytic hyphae
Which type of reproduction involves the breaking down of the algal body into several fragments, each of which develops into a new thallus?
Fragmentation
What is the term for the unicellular, flagellated reproductive cells produced by algae during unfavorable conditions?
Zoospores
What is the term for the network of hyphae?
Mycelium
Which type of fungi are involved in a mutualistic relationship with plant roots?
Glomeromycota
Which type of algae has a cell wall composed of glycoprotein only?
Chlamydomonas
What is the process by which the protoplast of a cell divides into several protoplasts, which then escape from the mother cell and develop into new algae?
Zoospore formation
What is the characteristic feature of the hyphae in Zygomycota?
Coenocytic hyphae with haploid nuclei
What is the primary mode of nutrition of Agaricus?
Saprophytic
Which type of fungi produces spores inside special, elongated cells or sacs?
Ascomycota
What is the environment of Rhizopus?
Terrestrial
What is the characteristic feature of the life cycle of Deuteromycota?
It lacks a sexual phase
What is the primary habitat of Aspergillus?
Tropical countries
What is the primary mode of reproduction in Deuteromycota?
Asexual reproduction by conidiospores
What is the preferred environment for the growth of Penicillium?
Cool to moderate climate with soil and organic material
What is the nutritional mode of Penicillium?
Saprophytic
What is the purpose of adding a drop of iodine to the tissue in the experimental procedure for examining mushrooms?
To stain the tissue
What is the purpose of cutting the cap diagonally into two parts in the experimental procedure for examining mushrooms?
To examine the gills
What is the purpose of adding a drop of water to the slide in the experimental procedure for examining bread mold?
To dissolve the fungus
What is the characteristic of zoospores?
They are devoid of cell walls
What is the result of the fusion of gametes during sexual reproduction?
Formation of diploid zygotes
What is the purpose of conjugation in Spirogyra?
To allow the cytoplasm of the male cells to move into the female cells
What is the dominant pigment in Rhodophyta?
R-phycoerythrin
What is the fate of the parent filaments after conjugation and zygote formation?
They die
What is the characteristic of gametangia in some algae?
They may be morphologically similar or dissimilar
Test your knowledge about the characteristics and types of algae, including their body structure, photosynthetic pigments, and habitats. Learn about the differences between unicellular and multicellular algae and their classification.
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