Algae Structure and Types

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What is the main function of the vegetative mycelium?

To form a mutualistic relationship with plant roots

To anchor the fungus and absorb nutrients (correct)

To classify fungi into different phyla

To produce asexual reproductive spores

What is the primary characteristic of algae that distinguishes them from other organisms?

Ability to reproduce only through sexual reproduction

Ability to perform photosynthesis using photosynthetic pigments (correct)

Presence of cellulose in their cell walls

Presence of specialized tissues like stem and leaves

What type of fungi are characterized by the presence of a flagellum in their gametes?

Basidiomycota

Ascomycota

Zygomycota

Chytridiomycota (correct)

What is the term for the cross walls that divide the hypha into compartments or cells?

Septum Signup and view all the answers

What is the main difference between unicellular and multicellular algae?

Number of cells in the organism Signup and view all the answers

Which type of hyphae have no septa between cells?

Coenocytic hyphae Signup and view all the answers

Which type of reproduction involves the breaking down of the algal body into several fragments, each of which develops into a new thallus?

Fragmentation Signup and view all the answers

What is the term for the unicellular, flagellated reproductive cells produced by algae during unfavorable conditions?

Zoospores Signup and view all the answers

What is the term for the network of hyphae?

Mycelium Signup and view all the answers

Which type of fungi are involved in a mutualistic relationship with plant roots?

Glomeromycota Signup and view all the answers

Which type of algae has a cell wall composed of glycoprotein only?

Chlamydomonas Signup and view all the answers

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 Signup and view all the answers

What is the characteristic feature of the hyphae in Zygomycota?

Coenocytic hyphae with haploid nuclei Signup and view all the answers

What is the primary mode of nutrition of Agaricus?

Saprophytic Signup and view all the answers

Which type of fungi produces spores inside special, elongated cells or sacs?

Ascomycota Signup and view all the answers

What is the environment of Rhizopus?

Terrestrial Signup and view all the answers

What is the characteristic feature of the life cycle of Deuteromycota?

It lacks a sexual phase Signup and view all the answers

What is the primary habitat of Aspergillus?

Tropical countries Signup and view all the answers

What is the primary mode of reproduction in Deuteromycota?

Asexual reproduction by conidiospores Signup and view all the answers

What is the preferred environment for the growth of Penicillium?

Cool to moderate climate with soil and organic material Signup and view all the answers

What is the nutritional mode of Penicillium?

Saprophytic Signup and view all the answers

What is the purpose of adding a drop of iodine to the tissue in the experimental procedure for examining mushrooms?

To stain the tissue Signup and view all the answers

What is the purpose of cutting the cap diagonally into two parts in the experimental procedure for examining mushrooms?

To examine the gills Signup and view all the answers

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 Signup and view all the answers

What is the characteristic of zoospores?

They are devoid of cell walls Signup and view all the answers

What is the result of the fusion of gametes during sexual reproduction?

Formation of diploid zygotes Signup and view all the answers

What is the purpose of conjugation in Spirogyra?

To allow the cytoplasm of the male cells to move into the female cells Signup and view all the answers

What is the dominant pigment in Rhodophyta?

R-phycoerythrin Signup and view all the answers

What is the fate of the parent filaments after conjugation and zygote formation?

They die Signup and view all the answers

What is the characteristic of gametangia in some algae?

They may be morphologically similar or dissimilar Signup and view all the answers