Biology level 8 Quiz

What is the basic unit of life according to cell theory?

• Atom

• Cell

• Tissue

• Organ

Which of the following structures is responsible for containing the cell's genetic material?

• Mitochondria

• Ribosome

• Nucleus

• Chloroplast

Which organelle is known as the powerhouse of the cell?

• Ribosome

• Mitochondria

• Vacuole

• Cell wall

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What is the primary function of ribosomes in a cell?

• Energy production

• Protein synthesis

• DNA replication

• Photosynthesis

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Which structure is found in plant cells but not in animal cells?

• Cell membrane

• Nucleus

• Chloroplast

• Mitochondria

What is the function of the cell membrane?

• To provide structural support

• To control the movement of substances in and out of the cell

• To store nutrients

• To produce energy

Which of the following is a function of the vacuole in plant cells?

• Photosynthesis

• Storage of nutrients and waste products

• Protein synthesis

• DNA replication

What is the role of chloroplasts in plant cells?

• Cellular respiration

• Photosynthesis

• Protein synthesis

• DNA replication

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Which of the following is NOT a component of the cell theory?

• All living organisms are composed of one or more cells

• The cell is the basic unit of life

• All cells arise from pre-existing cells

• Cells can spontaneously generate from non-living material

What is the primary function of mitochondria in cells?

• Photosynthesis

• Energy production

• Protein synthesis

• Storage of genetic material

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