Biology - Cell Organelles
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Test contains questions over the structure and functions of cell organelles.
- 1.What is the basic unit of structure and function in living things?
- A.
Cell wall
- B.
Vacuole
- C.
Nucleus
- D.
Cell
- 2.The molecule that forms the core of the cell membrane is called the:
- A.
Lipid bilayer
- B.
Phosphobilayer
- C.
Phospholipid
- D.
Lipid membrane
- 3.The process by which substances pass through the cell membrane without expending energy is called:
- A.
Endocytosis
- B.
Passive transport
- C.
Active transport
- D.
Phagocytosis
- 4.The process by which substances move from regions of high concentration to regions of low concentration is called:
- A.
Phagocytosis
- B.
Diffusion
- C.
Active transport
- D.
Endocytosis
- 5.The movement of water through a selectively peremeable membrane is known as:
- A.
Facilitated diffusion
- B.
Osmosis
- C.
Diffusion
- D.
Active transport
- 6.Why is the nucleus important?
- A.
it contains nearly all of a cell's DNA
- B.
It is the control center of the cell
- C.
It is present in eukaryotes
- D.
All of these
- 7.The site where ribosomes are assembled is the:
- A.
Nucleus
- B.
DNA
- C.
Chromosome
- D.
Nucleolus
- 8.The elminiation of a particle by a single-celled organism is known as:
- A.
Endocytosis
- B.
Phagocytosis
- C.
Exocytosis
- D.
Endocytes
- 9.Because bacteria do not contain nuclei, they are known as:
- A.
Prokaryotes
- B.
Phagocytes
- C.
Eukaryotes
- D.
Endocytes
- 10.Which structure would a cell that is active in protein synthesis contain?
- A.
Contractile vacuoles
- B.
Nuclei
- C.
Chloroplasts
- D.
Ribosomes
- 11.Which cell structure would be involved in digesting worn-out ribosomes?
- A.
Cytoplasm
- B.
Endoplasmic reticulum
- C.
Golgi bodies
- D.
Lysosomes
- 12.Which structures would be found in a maple tree cell but not a human cell?
- A.
Lysomes and mitochondria
- B.
Chloroplasts and cell walls
- C.
Ribosomes and cell membranes
- D.
Nuclei and cell membranes
- 13.Where does the final processing of proteins occur?
- A.
Golgi bodies
- B.
Endoplasmic reticulum
- C.
Ribosomes
- D.
Nucleus
- 14.What substance does lysosomes contain?
- A.
Cytoplasm
- B.
DNA
- C.
Enzymes
- D.
Water
- 15.Which plant organelle stores water?
- A.
Nucleus
- B.
Lysosome
- C.
Ribosome
- D.
Vacuole
- 16.Which cell organelle can you find all other cell organelles?
- A.
Nuclear membrane
- B.
Cytoplasm
- C.
Cellular membrane
- D.
Chromosomes
- 17.In which cell organelles can you find DNA?
- A.
Cell membrane and cytoplasm
- B.
Nucleus and mitochondria
- C.
Ribosomes and vacuoles
- D.
Golgi bodies and endoplasmic reticulum
- 18.Which cell organell is known as the "powerhouse" of the cell?
- A.
Ribosome
- B.
Mitochondria
- C.
Golgi bodies
- D.
Lysosomes
- 19.Which cell organelle has the job of determining which substances can go into and out of the cell?
- A.
Cell membrane
- B.
Ribosomes
- C.
Endoplasmic reticulum
- D.
Lysosomes
- 20.Which cell organelle acts as the "travel system" for the cell, allowing substances to move throughout the cell from one organelle to another?
- A.
Ribosomes
- B.
Endoplasmic reticulum
- C.
Mitochondria
- D.
Golgi bodies
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