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15 Questions

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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?

Cell Signup and view all the answers

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

Eukaryotic cell Signup and view all the answers

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

Heterotroph Signup and view all the answers

What is the main function of chlorophyll in cells?

It absorbs light energy for photosynthesis Signup and view all the answers

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

Cell wall Signup and view all the answers

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

Cell membrane Signup and view all the answers

What is the function of the nucleus in a cell?

It directs all the cell's activities and contains the cell's DNA Signup and view all the answers

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

Cell Signup and view all the answers

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

DNA sequencing Signup and view all the answers

What does cell biology encompass?

Both prokaryotic and eukaryotic cells Signup and view all the answers

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

Cell evolution Signup and view all the answers

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

Because cells are the basic unit of life Signup and view all the answers