Book C Unit 1 Quiz Cells, structure and function

What common traits would models of different unicellular organisms share?

• They would all be made of many cells with cell walls.

• They would all have chloroplasts to trap sunlight and create their own food.

• They would all have one cell with smaller parts that do different jobs within the cell.

• They have complex organ systems and a large brain.

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Which structures are unique to plant cells and not found in animal cells?

• Mitochondria and Ribosomes

• Cell Wall, Chloroplasts, and Central Vacuole

• Nucleus and Golgi Apparatus

• Lysosomes and Centrioles

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Some students are comparing the parts of the body to parts of the cell. Which body part best represents the cell membrane and why?

• The Brain because it controls your body

• The Stomach because it breaks down food

• The Skin because it surrounds and protects your organs

• The Lungs because they bring in oxygen for the body.

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Which of these statements explains a key difference between unicellular and multicellular organisms?

• Only multicellular organisms can photosynthesize.

• The cells of unicellular organisms are much smaller than the cells of multicellular organisms.

• Multicellular organisms have cells, not just organelles, that carry out specific functions.

• Unicellular organisms can grow larger than multicellular organisms due to their simpler structure.

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What question can a biologist ask to determine if an object is living?

• Does the object move?

• Does the object breathe?

• Is the object made up of cells?

• Does it move quickly across the ground?

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A student is studying cells and uses a school as a model to represent the cell. Which part of the school matches the nucleus?

• Outside fence - where students enter and leave the school

• Cafeteria - where food is eaten and provides students with energy

• Principal’s Office - where the principal controls the activities and functions of the school

• The Ribosome – because it produces the work, like students completing assignments.

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A cell has many parts, each with its own function. Match the function with the structure that allows the cell to carry out this function. Match each cell part with the function.

• Nuclear Membrane

• Protects the Nucleus

• Ribosomes

• separates the inside of the cell from the outside

• Cell Wall

• makes proteins
• Cell Membrane

• protects the plant cell

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Which organelle stores water inside the cell?

• Mitochondria

• Ribosome

• Vacuole

• Golgi Apparatus

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When observed under a compound microscope, many cells can be seen in human skin. Why are individual cells not visible under the electron microscope?

• Because electron microscopes have lower magnification

• Because electron microscopes cannot be used to view living cells

• Because human skin cells are too small to be seen with an electron microscope

• Because electron microscopes do not provide enough contrast for skin cells

Organize the following into the correct category

Groups:

(a) Unicellular

,

(b) Multicellular

,

(c) Both

• Made of a single Cell

• Can respond to stimuli

• Contains Specialized Cells

• Living

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