Understanding Cells and Their Functions Questions for Quizizz - Prokaryotic and Eukaryotic Cells

What are the two main categories of cells discussed in the video?

• Prokaryotic and Eukaryotic

• Animal and Plant

• Single-celled and Multi-celled

• Bacteria and Archaea

Answer explanation

The two main categories of cells are Prokaryotic and Eukaryotic. Prokaryotic cells lack a nucleus and membrane-bound organelles, while Eukaryotic cells have a defined nucleus and organelles, distinguishing them significantly.

Which type of cell is generally larger?

• Prokaryotic cells

• Eukaryotic cells

• Both are the same size

• Neither has a size

Answer explanation

Eukaryotic cells are generally larger than prokaryotic cells. Eukaryotic cells, which include plant and animal cells, typically range from 10 to 100 micrometers, while prokaryotic cells are usually 0.1 to 5 micrometers.

What structure is common to both prokaryotic and eukaryotic cells?

• Cell wall

• Nucleus

• Plasma membrane

• Chloroplast

Answer explanation

The plasma membrane is a fundamental structure found in both prokaryotic and eukaryotic cells, serving as a barrier that regulates the movement of substances in and out of the cell. Other options are not common to both cell types.

Where is the genetic material located in prokaryotic cells?

• In the nucleus

• In the nucleoid

• In the ribosomes

• In the cytoplasm

Answer explanation

In prokaryotic cells, the genetic material is located in the nucleoid, which is an irregularly shaped region that contains the cell's DNA. Unlike eukaryotic cells, prokaryotes do not have a defined nucleus.

Which of the following is NOT a characteristic of eukaryotic cells?

• They have membrane-bound organelles

• They can be multicellular

• They have a single strand of DNA

• They have a nucleus

Answer explanation

Eukaryotic cells typically have multiple strands of DNA organized into chromosomes, not a single strand. The other options—membrane-bound organelles, multicellularity, and a nucleus—are all characteristics of eukaryotic cells.

What is the jelly-like substance inside cells called?

• Cytoplasm

• Cytosol

• Nucleoplasm

• Plasma

Answer explanation

The jelly-like substance inside cells is called cytosol, which is the fluid component of the cytoplasm. Cytoplasm includes both cytosol and organelles, but the term specifically refers to the liquid part.

Which type of cell typically reproduces asexually?

• Eukaryotic cells

• Prokaryotic cells

• Both types

• Neither type

Answer explanation

Prokaryotic cells, such as bacteria, typically reproduce asexually through binary fission, where a single cell divides into two identical cells. Eukaryotic cells can reproduce both sexually and asexually, but asexual reproduction is more common in prokaryotes.

Which of the following is an example of a prokaryotic organism?

• Bacteria

• Fungi

• Plants

• Animals

Answer explanation

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

Which of the following structures is found only in eukaryotic cells?

• Ribosomes

• Cell membrane

• Nucleus

• DNA

Answer explanation

The nucleus is a membrane-bound organelle that houses the cell's genetic material, found only in eukaryotic cells. In contrast, ribosomes, cell membranes, and DNA are present in both prokaryotic and eukaryotic cells.

What type of cells can be both unicellular and multicellular?

• Prokaryotic cells

• Eukaryotic cells

• Both types

• Neither type

Answer explanation

Eukaryotic cells can exist as unicellular organisms, like yeast, or as multicellular organisms, such as plants and animals. In contrast, prokaryotic cells are exclusively unicellular, making eukaryotic cells the correct choice.