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WorksheetsUnderstanding Cell Theory
Total questions: 10
Worksheet time: 5mins
What is the basic unit of life according to cell theory?
Organism
Organ
Cell
Tissue
Who is one of the scientists credited with developing cell theory?
Charles Darwin
Theodor Schwann
Albert Einstein
Isaac Newton
What are the three main principles of cell theory?
Cells can spontaneously generate from non-living matter.
1) All living organisms are composed of one or more cells. 2) The cell is the basic unit of life. 3) All cells arise from pre-existing cells.
All cells contain DNA and RNA.
All cells have the same structure and function.
How do cells reproduce according to cell theory?
Cells reproduce by forming spores exclusively.
Cells reproduce through binary fission only.
Cells reproduce by cell division, specifically mitosis and meiosis.
Cells reproduce by absorbing nutrients from their environment.
What type of organisms are made up of one or more cells?
Living organisms (including unicellular and multicellular organisms)
Only multicellular organisms
Non-living materials
Viruses and prions
What is the function of the cell membrane?
The cell membrane acts as a site for protein synthesis.
The cell membrane provides energy for cellular processes.
The cell membrane stores genetic information.
The cell membrane regulates the movement of substances in and out of the cell.
What is the jelly-like substance inside a cell called?
cell membrane
ribosome
nucleus
cytoplasm
What organelle is known as the powerhouse of the cell?
Ribosome
Chloroplast
Mitochondria
Nucleus
How does cell theory relate to the study of biology?
Cell theory is only applicable to plants and not animals.
Cell theory is fundamental to biology as it establishes that all life is cellular, guiding research and understanding of living organisms.
Cell theory states that all organisms are multicellular.
Cell theory suggests that cells can spontaneously generate from non-living matter.
Can viruses be considered living cells according to cell theory?
No, viruses cannot be considered living cells according to cell theory.
Yes, viruses are living cells according to cell theory.
Viruses are considered living organisms by cell theory.
Viruses can replicate independently, making them living cells.
