Question

Which of the following is true for nucleolus?

• A. It is a site for active ribosomal RNA synthesis
• B. It is a membrane-bound structure
• C. Larger nucleoli are present in dividing cells
• D. It takes part in spindle formation

Answer 1

The correct option is A

It is a site for active ribosomal RNA synthesis

The correct option is A.

Explanation of the correct answer:

1. The nucleolus is found in the nucleus of eukaryotes.
2. It assembles and produces the cell's ribosomes.
3. It also facilitates the synthesis of protein.

Explanation of the incorrect options:

Option B:

1. The nucleolus is not a membrane-bound structure.
2. It is a part of the nucleus.

Option C:

Larger nucleoli are not present in dividing cells.

Option D:

The nucleolus does not participate in spindle formation.

Final answer: The nucleolus is a site for active ribosomal RNA synthesis.