Question

Write a short note on ‘plant like protists’​

Answer 1

Ans.

i. Plant like protists are autotrophic (photosynthetic), have cellulosic cell wall and store reserve food as starch e.g. dinoflagellates, diatoms and desmids.

ii. These protists are together grouped as chrysophytes.

iii. Cell wall of diatoms composed of two overlapping halves resembling a soap case.

iv. The remains of their cell walls is called diatomaceous earth which is used in chromatography. filtration and polishing.

v. Plant like Protists are chief producer of aquatic environment.

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Answer 2

Answer:

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Explanation:

Plant-like protists, also called algae are a large and diverse group of simple plant-like organisms. Some algae are tiny and unicellular, others are large and multicellular, as shown in Figure below. The largest and most complex marine forms are called seaweeds.