Cell Structure and Cell Theory Quiz

Test your knowledge on cell structure, theory, organelles, and scientists. Which scientist discovered cells? What's in the cell theory? Find out!

#1

Which scientist first discovered and coined the term 'cell'?

Robert Hooke
Antonie van Leeuwenhoek
Theodor Schwann
Louis Pasteur
#2

Which organelle contains enzymes that break down waste materials and cellular debris?

Mitochondria
Golgi apparatus
Lysosomes
Nucleus
#3

Which cell structure is responsible for protein synthesis?

Ribosomes
Endoplasmic reticulum
Golgi apparatus
Mitochondria
#4

Which organelle is responsible for the synthesis of lipids and detoxification of drugs?

Golgi apparatus
Mitochondria
Lysosomes
Smooth endoplasmic reticulum
#5

Which cellular structure regulates the passage of substances into and out of the cell?

Cell membrane
Cytoplasm
Nucleus
Cell wall
#6

Which cellular organelle is responsible for the synthesis and assembly of ribosomal RNA?

Nucleus
Ribosomes
Endoplasmic reticulum
Nucleolus
#7

Which of the following is NOT a component of the cell theory?

All living organisms are composed of cells.
The cell is the basic unit of life.
All cells arise from pre-existing cells.
All cells have a nucleus.
#8

Which organelle is responsible for producing ATP through cellular respiration?

Golgi apparatus
Endoplasmic reticulum
Mitochondria
Ribosomes
#9

Which type of cells lack a nucleus?

Prokaryotic cells
Eukaryotic cells
Plant cells
Animal cells
#10

Which scientist proposed the theory of spontaneous generation, which was later disproved?

Louis Pasteur
Robert Hooke
Antonie van Leeuwenhoek
Aristotle
#11

Which cellular structure contains the genetic material of the cell?

Mitochondria
Endoplasmic reticulum
Nucleus
Lysosomes
#12

Who proposed the fluid mosaic model of the cell membrane?

James Watson
Francis Crick
Seymour Singer
Jonathan Singer
#13

Which structure is responsible for maintaining cell shape and providing mechanical support?

Ribosomes
Cytoskeleton
Smooth endoplasmic reticulum
Lysosomes
#14

Which cell type contains chloroplasts for photosynthesis?

Animal cells
Plant cells
Prokaryotic cells
Fungal cells
#15

Which type of cell division is responsible for producing gametes?

Mitosis
Meiosis
Binary fission
Budding
#16

Which organelle contains enzymes that use oxygen to oxidize organic substances, producing hydrogen peroxide as a byproduct?

Peroxisome
Lysosome
Golgi apparatus
Endoplasmic reticulum
#17

Which type of cellular junction allows for the direct exchange of ions and small molecules between adjacent cells?

Desmosomes
Tight junctions
Gap junctions
Adherens junctions

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