Question

Which of the following is definitely true about the kingdom, Protista.

A. They always have a cell wall

B. They always have a nucleus

C. They are always unicellular

D. They are always heterotrophs

Answer 1

B. They always have a nucleus

Step-by-step explanation:

The organisms belonging to kingdom Protista are single-celled- means they are unicellular and they have a well-defined nucleus enclosed in a nuclear membrane. Hence, they are eukaryotes. So the correct option is B.

Answer 2

B. They always have a nucleus

Step-by-step explanation:

Protista always has a nucleus. So, option (B) is the correct answer.