Light as an Energy Source

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Questions and Answers

What type of organisms use light as a source of energy to synthesize organic substances?

  • Carnivores
  • Decomposers
  • Autotrophs (correct)
  • Heterotrophs

What is the process called when organisms use light as a source of energy to synthesize organic substances?

  • Digestion
  • Photosynthesis (correct)
  • Respiration
  • Fermentation

What is the primary source of energy for organisms that synthesize organic substances?

  • Electricity
  • Heat
  • Chemical reactions
  • Light (correct)

What is the smallest unit of life?

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

What type of cell has a nucleus surrounded by its own membrane?

<p>Eukaryotic cell (C)</p> Signup and view all the answers

What is an organism that cannot make its own food called?

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

What is the main function of chlorophyll in cells?

<p>It absorbs light energy for photosynthesis (D)</p> Signup and view all the answers

Which of the following structures is primarily involved in strengthening and protecting the cell?

<p>Cell wall (C)</p> Signup and view all the answers

Which of the following structures regulates what enters and leaves the cell?

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

What is the function of the nucleus in a cell?

<p>It directs all the cell's activities and contains the cell's DNA (A)</p> Signup and view all the answers

What is the basic unit of life that is responsible for the living and functioning of organisms?

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

Which of the following is not a method used in the study of cells?

<p>DNA sequencing (A)</p> Signup and view all the answers

What does cell biology encompass?

<p>Both prokaryotic and eukaryotic cells (D)</p> Signup and view all the answers

Which of the following is not a subtopic of cell biology?

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

Why is the study of cells fundamental to all biological sciences?

<p>Because cells are the basic unit of life (A)</p> Signup and view all the answers

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