Here's why:

* Homologous chromosomes are pairs of chromosomes that carry the same genes in the same order. One chromosome in the pair comes from the mother, and the other comes from the father.

* Diploid cells have two sets of chromosomes, one from each parent. This means they have homologous pairs.

* Haploid cells, on the other hand, only have one set of chromosomes and therefore do not have homologous pairs.

Examples of diploid cells:

* Somatic cells (all cells in the body except for gametes)

* Zygotes (the fertilized egg)

Examples of haploid cells:

* Gametes (sperm and egg cells)