A Level Biology Practice Exam

Which type of cells contain organelles?

1. Prokaryotic cells

2. Eukaryotic cells

3. All types of cells

4. Only plant cells

The correct answer is: Eukaryotic cells

The correct answer is that eukaryotic cells contain organelles. Eukaryotic cells are characterized by the presence of membrane-bound organelles, such as the nucleus, mitochondria, endoplasmic reticulum, and Golgi apparatus, among others. These structures allow for compartmentalization of cellular processes, enhancing the efficiency of metabolism and organization within the cell. In contrast, prokaryotic cells lack these membrane-bound organelles and do not have a defined nucleus; their genetic material is stored in a region called the nucleoid. While all types of cells carry out essential life processes, only eukaryotic cells possess the complex internal structures that characterize organisms in the domain of Eukarya, which includes animals, plants, fungi, and protists. The mention of only plant cells would be inaccurate since eukaryotic cells also include animal and fungal cells, all of which contain various organelles. Therefore, the distinction made between prokaryotic and eukaryotic cells is crucial to understanding the correct answer.