Given below are groups of terms. In each group the first pair indicates the relationship between the two terms.

Rewrite and complete the second pair on a similar basis.

Example : Oxygen : Inspiration : : Carbon dioxide : Expiration

Cytoplasm : Cytokinesis:: Nucleus :

Cytoplasm : Cytokinesis:: Nucleus: Karyokinesis.

1. Cytokinesis is the physical process of cell division in which a parent cell's cytoplasm is divided into two daughter cells.
2. The process of a cell's nucleus dividing during cell division (mitosis or meiosis) is known as karyokinesis.
3. Therefore, the right answer is Cytoplasm: Cytokinesis: Nucleus: Karyokinesis.