NEET (NTA)-National Eligibility cum Entrance Test (Medical) Biology Diversity in Living World-Five Kingdom Classification Revision (Page 10 of 46)

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Nutrition

Mode of nutrition in protist is of different types

(1) Holophytic or Photosynthetic:

In this process, protist organism synthesis their food with the help of carbon dioxide and water by utilizing sun’s energy in the photosynthetic pigments like chlorophyll.

Examples are dinoflagellates, diatoms and euglenoids.

(2) Holozoic:

Some protist have holozoic mode of nutrition, which is similar to animals i. e. food is first ingested and then digested.

Examples are Amoeba and Paramecium.

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Reproduction

Protists can reproduce both by asexual and sexual methods.

1. Asexual Reproduction:

This is the most common method of reproduction in protists. Asexual reproduction takes place in favourable condition. Asexual reproduction involves only one parent, the offspring produced by this method are all alike genetically to the parent and are termed as clones.

It is of following types

  • Binary fission: - Two daughter cells are formed by the division of one mother cell. After this each daughter

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