Quiz on Prokaryotic and Eukaryotic Cells

Daniel and Abigail are looking at cells under a microscope. What is the main difference they would notice between prokaryotic and eukaryotic cells?

• Presence of a nucleus

• Shape of the cell

• Size of the cell

• Color of the cell

Answer explanation

The main difference between prokaryotic and eukaryotic cells is the presence of a nucleus. Prokaryotic cells lack a true nucleus, while eukaryotic cells have a defined nucleus that houses their genetic material.

Nora is studying different types of cells in her biology class. She wants to know which type of cell contains a nucleus. Can you help her?

• Eukaryotic cells

• Prokaryotic cells

• Neither prokaryotic nor eukaryotic cells

• Both prokaryotic and eukaryotic cells

Answer explanation

Eukaryotic cells contain a nucleus, which houses their genetic material. In contrast, prokaryotic cells lack a nucleus, with their DNA floating freely in the cell. Therefore, the correct answer is eukaryotic cells.

David is studying prokaryotic cells in his biology class. He wonders, where is the DNA located in a prokaryotic cell?

• Inside the nucleus

• In the ribosomes

• In the cytoplasm

• In the mitochondria

Answer explanation

In prokaryotic cells, DNA is located in the cytoplasm, as they lack a nucleus. This is where the genetic material is found, unlike eukaryotic cells that have their DNA enclosed within a nucleus.

During a biology class, Arjun was asked to identify which of the following is an example of a prokaryotic organism. Which one should he choose?

• Animals

• Bacteria

• Fungi

• Plants

Answer explanation

Bacteria are prokaryotic organisms, meaning they lack a nucleus and membrane-bound organelles. In contrast, animals, fungi, and plants are eukaryotic, having complex cells with a defined nucleus.

In a biology class, Isla is learning about the different parts of a cell. Her teacher asks, "What is an organelle?"

• A type of cell

• A type of bacteria

• A structure within the cytoplasm that performs a specific job

• A type of nucleus

Answer explanation

An organelle is a specialized structure within the cytoplasm of a cell that performs specific functions, such as energy production or protein synthesis, making the correct choice "A structure within the cytoplasm that performs a specific job."

Tags

NGSS.MS-LS1-2

In a biology class, Harper and Elijah are comparing different types of cells. Which cells are usually larger in size?

• Prokaryotic cells

• Neither, size varies

• Eukaryotic cells

• Both are the same size

Answer explanation

Eukaryotic cells are generally larger than prokaryotic cells. Eukaryotes, which include plants and animals, typically range from 10 to 100 micrometers, while prokaryotes are usually 0.1 to 5 micrometers in size.

In a biology class, Mason and Aria are discussing cell structures. Mason asks, "Which cells have ribosomes?"

• Only eukaryotic cells

• Both prokaryotic and eukaryotic cells

• Neither prokaryotic nor eukaryotic cells

• Only prokaryotic cells

Answer explanation

Ribosomes are essential for protein synthesis and are found in both prokaryotic and eukaryotic cells. Prokaryotic cells have ribosomes floating in the cytoplasm, while eukaryotic cells have them in the cytoplasm and on the endoplasmic reticulum.

Which cells have mitochondria?

• Prokaryotic cells

• Neither prokaryotic nor eukaryotic cells

• Eukaryotic cells

• Both prokaryotic and eukaryotic cells

Answer explanation

Mitochondria are organelles responsible for energy production and are found only in eukaryotic cells. Prokaryotic cells lack membrane-bound organelles, including mitochondria, making eukaryotic cells the correct answer.

Tags

NGSS.MS-LS1-2

In a school, different classrooms are designated for specific subjects, allowing teachers to focus on their specialized areas. What is the advantage of having specialized classrooms in this scenario?

• They provide color to the classroom

• They make the classroom smaller

• They allow for greater subject specificity

• They make the classroom more rigid

Answer explanation

The advantage of organelles in eukaryotic cells is that they allow for greater cell specificity. Each organelle has a unique function, enabling complex processes and specialization that support the overall function of the cell.

Luna is studying different types of organisms in her biology class. She wonders, which cells usually form unicellular organisms?

• Neither prokaryotic nor eukaryotic cells

• Prokaryotic cells

• Both prokaryotic and eukaryotic cells

• Eukaryotic cells

Answer explanation

Prokaryotic cells, such as bacteria, are typically unicellular organisms. They lack a nucleus and other membrane-bound organelles, making them simpler and capable of existing as single-celled entities.