Question

Assertion: Nucleus contain nucleolus.

Reason: Nucleolus produces ribosome.​

Answer 1

Answer:

The nucleolus is a ribosome production factory, designed to fulfill the need for large-scale production of rRNAs and assembly of the ribosomal subunits.

And the nucleolus is a round dense structure in nucleus

so both statements r correct but R is not the the correct explanation ofA