Question:

Which one of the following is a slime mould?

Updated On: Mar 20, 2024
  • Physarum
  • Thiobacillus
  • Anabaena
  • Rhizopus.
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The Correct Option is A

Solution and Explanation

Slime moulds are peculiar protista that normally take the form of amoebae, but under certain conditions develop fruiting bodies that release spores, superficially similar to the sporangia of fungi. The order physarales include Physarum species. The fruiting ; bodies (sporangia) are characterized by the presence of abundant amount of calcium salt. The order comprises 142 species which are placed under 12 genera. Physarum polycephalam is the best known. The somatic phase is multinucleate, diploid holocarpic plasmodium which is the product of syngamy.
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Biological Classification

The process of grouping living organisms into categories is called biological classification. The most modern 5-kingdom classification was put ahead by an eminent scientist R.H.Whittaker. The five-kingdom classification is based on the criteria like cell structure, mode of nutrition, body form, and reproduction. One of the most important characteristics of this system is that it follows the evolutionary sequence of living organisms. The organisms are classified into distinct taxa or levels like Kingdom, Phylum, Division, Class, Order, Family, Genus, and Species. The 5 kingdoms are as follows:

Biological Classification