What are Protists?

Definition of Protists:
The unicellular or simple multicellular eukaryotic organisms which are not produced from an embryo (blastula) are called protists. Protists are of three major types:

i. Animal like, the Protozoans
ii. Plant like, algae
iii. Fungus like, Slime Molds and Water Molds.
Some Questions and Their Answers About Protists:
Q1. What are Protozoans?
Ans: The unicellular ingesting organisms (protists) are called Protozoans e.g; Amoeba, Paramecium etc.
 Q2. What are algae?
 Ans: The unicellular or simple multicellular photo-autotraphs which do not produce an embryo are called algae.
  Q3. How algae are similar to plants?
  Ans. Both algae and plants have cell wall made up of cellulose. Both have similar chloroplast.