Cell Theory Quiz

What are cells according to the cell theory?

• The largest units of life

• The basic units of life

• The only units of life

• The complex units of life

According to the cell theory, how do new cells originate?

• From preexisting cells

• From non-living material

• Spontaneously from air

• By merging of smaller components

Which statement is true according to the cell theory?

• Only animals are made of cells

• All living things are made of cells

• Cells can exist independently of living things

• Non-living things can also be made of cells

Which of the following represents the correct order of complexity in the levels of organization from least to most complex?

• Organism, Organ System, Organ, Tissue, Cell

• Cell, Tissue, Organ, Organ System, Organism

• Tissue, Cell, Organ, Organ System, Organism

• Organ System, Organ, Tissue, Cell, Organism

Which of the following is the correct order of complexity from least complex to most complex in the human example of levels of organization?

• Nerve Tissue, Neuron, Brain, Nervous System, Human

• Neuron, Nerve Tissue, Brain, Nervous System, Human

• Neuron, Nervous System, Nerve Tissue, Brain, Human

• Human, Nervous System, Brain, Nerve Tissue, Neuron

What is the term used for a group of cells that work together to perform a specific function?

• Organ

• Organism

• Tissue

• Organ System

What level of organization is represented by the brain?

• Cell

• Tissue

• Organ

• Organ System

Which level of organization directly follows the organ level in complexity?

• Cell

• Tissue

• Organ System

• Organism

What is the highest level of organization in the human body?

• Nervous System

• Brain

• Human

• Neuron

What is the simplest level of organization in plants?

• Xylem

• Stem

• Stem Cell

• Tree