27 Questions
What is the basic unit of living things?
Cells
What are living things composed of?
Cells
Which organisms consist of many cells and are called multicellular organisms?
Human
What are unicellular organisms?
Organisms with a single cell
What is the main difference between unicellular and multicellular organisms?
$Number of cells$ in the organism
What is an example of a unicellular organism?
$Amoeba$
What did Theodor Schwann and Matthias Schleiden contribute to the development of the cell theory?
They proposed that cells are the basic unit of life
What is a key difference between plant and animal cells?
Plant cells have a cell membrane, while animal cells have a cell wall
What defines eukaryotic and prokaryotic cells?
Presence of a nucleus and other membrane-bound organelles
Why do we study about cells?
To comprehend the basis of life and the processes that occur at the cellular level
What important biological activities take place in the cell?
Cooperative work of muscle cells for movement and nerve cells for gathering information
What is a result of the processes that occur at the cellular level in the human body?
Every action and thought possible due to cooperative work of muscle and nerve cells
Which structure is common to both plant and animal cells?
Nucleus
What is the function of the cell wall in a plant cell?
Provide structural support and shape to the cell
Which organelle is responsible for packaging of materials in a cell?
Golgi apparatus
What is the function of the cytoplasm in a cell?
Produce energy
Which structure is found external to the cell membrane in plant cells?
Cell wall
What is the function of the cell membrane?
To control the entry and exit of substances into and out of the cell
Where is the site for protein synthesis in a cell?
Ribosomes
What is the function of the nucleus in a cell?
To control cell division and protein synthesis
Which organelle is responsible for transporting materials throughout the cell?
Endoplasmic reticulum
What distinguishes the rough endoplasmic reticulum from the smooth endoplasmic reticulum?
The presence of ribosomes
Which cellular structure is responsible for synthesizing proteins?
Ribosomes
What is the main function of the cytoplasm in a cell?
To provide a fluid-filled region containing organelles
What is the primary role of the cell wall in plant cells?
To provide structural support to the cell
Which cellular component controls what enters into and leaves a cell?
Cell membrane
Where are chromosomes found in the cell?
Nucleus
Test your knowledge about the structure and function of cells, which are the basic units of living things. Learn about unicellular and multicellular organisms, and their characteristics.
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