Question

The liquid material in the nucleus is:

• A. Nucleoplasm
• B. Chromosomes
• C. Bacteria
• D. Nucleolus

Answer 1

The correct option is A

Nucleoplasm

The correct option is A.

Explanation of the correct option:

1. A type of protoplasm composed of thick fluid is the nucleoplasm.
2. It contains chromatin fibers made up of DNA.
3. It is found in the nucleus of eukaryotic cells only.
4. The nucleoplasm contains water, dissolved ions, and some molecules.

Explanation of the incorrect options:

Option B:

1. Chromosomes are not liquid materials found in the nucleus.
2. These are thread-like structures in which the DNA is packaged.
3. Humans have 23 pairs of chromosomes.

Option C:

1. Bacteria are not liquid materials found in the nucleus.
2. They are single-celled organisms that may or may not be pathogenic.
3. They are found in the nose, on the skin, in the gut, etc.

Option D:

1. The nucleolus is a spherical structure in the nucleus.
2. It produces and assembles ribosomes.

Final answer: The liquid material in the nucleus is the nucleoplasm.