Question

Organisms of kingdom Protista mark the beginning of a new type of life form. How?

• A. They are the first true autotrophs
• B. They are the first organism with defined nucleus
• C. These organism can move around in the surrounding environment
• D. They can form primitive multi cellular organisms by clustering together

Answer 1

The correct option is B

They are the first organism with defined nucleus

Defined nucleus is one of the most important features of the eukaryotic cell. Protista being eukaryotes, have a well-defined nucleus in them.