Question

Differentiate between;


b) Ascomycetes& basidiomycetes.

c) Virus & Viroids.

d) lichens
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Answer 1

Answer:

b) The main difference between these two groups is in the way in which they produce their microscopic spores. In the Basidiomycetes, the spores are produced externally, on the end of specialised cells called basidia. In Ascomycetes, spores are produced internally, inside a sac called an ascus

c) Viroids consist of small, naked ssRNAs that cause diseases in plants. Virusoids are ssRNAs that require other helper viruses to establish an infection. Prions are proteinaceous infectious particles that cause transmissible spongiform encephalopathies.

d) Fungi Lichens

Thallus

The thallus is mycelia, which is composed of thread-like hyphae. Thallus organization is a complex type with root-like rhizines and upper, medulla and lower cortex.

Mode of Nutrition