Question
Write the general characteristics of Protista class.
✓
Answer
The characteristics of Protista class are as follows
(i) Most protists are aquatic, unicellular and eukaryotic microorganisms.
(ii) Duplication of chromosomes has a clear role in cell division.
(iii) Some protists are photosynthetic but some are predators or are parasites and some saprophytes.
(iv) Organelles are present and membrane bound and 80 S types of ribosomes are found.
(v) Asexual reproduction occurs by binary fission or multiple fission.
(vi) Sexual reproduction occurs by the fusion of two nuclei i.c. by syngamy
(vii) Movement occurs through cilia, flagellum, pseudopodia or contractile fibrils.
(i) Most protists are aquatic, unicellular and eukaryotic microorganisms.
(ii) Duplication of chromosomes has a clear role in cell division.
(iii) Some protists are photosynthetic but some are predators or are parasites and some saprophytes.
(iv) Organelles are present and membrane bound and 80 S types of ribosomes are found.
(v) Asexual reproduction occurs by binary fission or multiple fission.
(vi) Sexual reproduction occurs by the fusion of two nuclei i.c. by syngamy
(vii) Movement occurs through cilia, flagellum, pseudopodia or contractile fibrils.
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