Year 8 Biology: Cells and Levels of Organisation
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Questions and Answers

What is the smallest entity that retains the properties of life?

  • System
  • Organ
  • Cell (correct)
  • Tissue

What do plant and animal cells contain that carry out specific functions within the cell?

  • Cell walls
  • Cytoplasm
  • Chloroplasts
  • Membrane bound organelles (correct)

What is the level of organisation that is made up of specific types of cells?

  • Organism
  • System
  • Tissue (correct)
  • Organ

What is the term for cells that have specific structures that enable them to perform specific functions?

<p>Specialised (D)</p> Signup and view all the answers

How are living organisms classified based on the characteristics of their cells?

<p>Into kingdoms (D)</p> Signup and view all the answers

What do all living things consist of, according to the cell theory?

<p>One or more cells (D)</p> Signup and view all the answers

What is the primary function of muscle tissue in the human body?

<p>To contract when stimulated by nerve impulses (A)</p> Signup and view all the answers

What type of tissue provides the means of communication between all body structures?

<p>Nervous tissue (C)</p> Signup and view all the answers

What is the primary function of epithelial tissue in the human body?

<p>To provide a barrier against damage and fluid loss (D)</p> Signup and view all the answers

Which type of cell is responsible for voluntary movement in the human body?

<p>Muscle cells (C)</p> Signup and view all the answers

What is the primary function of connective tissue in the human body?

<p>To support and bind other tissues together (D)</p> Signup and view all the answers

What type of tissue is fat an example of?

<p>Connective tissue (B)</p> Signup and view all the answers

What is the main characteristic of cells in multicellular organisms?

<p>They have specific structures that enable them to perform specific functions (B)</p> Signup and view all the answers

What is the level of organization that consists of a number of different systems that work together?

<p>Organism (D)</p> Signup and view all the answers

What is the common characteristic of all living organisms, according to the cell theory?

<p>They are all composed of one or more cells (B)</p> Signup and view all the answers

What is the purpose of a Venn diagram in comparing cell structure?

<p>To show the similarities and differences between plant and animal cells (C)</p> Signup and view all the answers

What is the characteristic of plant and animal cells that enables them to carry out specific functions?

<p>They contain membrane-bound organelles (D)</p> Signup and view all the answers

What is the level of organization that consists of a specific type of tissue?

<p>Tissue (B)</p> Signup and view all the answers

What is the main function of nerve cells in the human body?

<p>To provide the means of communication between all body structures (C)</p> Signup and view all the answers

Which type of muscle is responsible for involuntary movements in the human body?

<p>Smooth muscles (A)</p> Signup and view all the answers

What is the primary function of epithelial tissue in the human body?

<p>To line internal and external surfaces (A)</p> Signup and view all the answers

What is the main function of cardiac muscles in the human body?

<p>To pump blood throughout the body (A)</p> Signup and view all the answers

What is the main function of connective tissue in the human body?

<p>To support and protect against damage and heat loss (D)</p> Signup and view all the answers

What is the main function of fat cells in the human body?

<p>To store energy in the form of fat (C)</p> Signup and view all the answers

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