Unit 6 Review

Which of the following is a principle of cell theory?

• All cells have a nucleus.

• All living organisms are composed of one or more cells.

• Cells can spontaneously generate.

• Cells are only found in plants.

Tags

NGSS.MS-LS1-1

Who is known for coining the term "cell" after observing cork under a microscope?

• Louis Pasteur

• Robert Hooke

• Rudolf Virchow

• Anton van Leeuwenhoek

Which of the following is a characteristic of prokaryotic cells?

• They have a nucleus.

• They lack membrane-bound organelles.

• They are larger than eukaryotic cells.

• They have multiple chromosomes.

What is the primary function of the mitochondria in a cell?

• Protein synthesis

• Energy production

• Photosynthesis

• Storage of genetic material

Tags

NGSS.MS-LS1-2

Which process allows cells to take in large particles by engulfing them?

• Osmosis

• Diffusion

• Endocytosis

• Exocytosis

What is the correct order of cellular organization from simplest to most complex?

• Organ, Tissue, Cell, Organ System

• Cell, Tissue, Organ, Organ System

• Tissue, Cell, Organ System, Organ

• Organ System, Organ, Tissue, Cell

Tags

NGSS.MS-LS1-3

Which scientist proposed that all plants are made of cells?

• Matthias Schleiden

• Theodor Schwann

• Rudolf Virchow

• Louis Pasteur

Tags

NGSS.MS-LS1-1

What is the main difference between a hypothesis and a theory?

• A hypothesis is a proven fact, while a theory is a guess.

• A hypothesis is a testable prediction, while a theory is a well-substantiated explanation.

• A hypothesis is more complex than a theory.

• A hypothesis is a law, while a theory is not.

Which organelle is responsible for photosynthesis in plant cells?

• Mitochondria

• Ribosome

• Chloroplast

• Golgi apparatus

Tags

NGSS.MS-LS1-6

How do cells primarily exchange gases like oxygen and carbon dioxide?

• Active transport

• Diffusion

• Endocytosis

• Exocytosis

Tags

NGSS.MS-LS2-3