Plant cells and animal cells: how they are alike and different
Grade 7 Science Worksheet - Building Confidence
Circle the best answer.
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Side-by-side cell diagram, not to scale. Cell 1 is boxy; Cell 2 is rounded. Matching parts carry the same letter in both cells: Cell 1 has letters A, B, C, D, E, F and G; Cell 2 has letters B, C, D and G. No part names are printed on the drawing. Word bank: cell wall, cell membrane, cytoplasm, nucleus, mitochondrion, chloroplast, large central vacuole.
Bo labels a drawing of two cells. Part D appears in both Cell 1 and Cell 2. Which word from the bank could D be?
- Mitochondrion
- Chloroplast
- Cell wall
- Large central vacuole
Esme labels a drawing of two cells. Part A is the outermost layer of Cell 1, and Cell 2 has no part A. Which part is A?
- Cell membrane
- Cell wall
- Mitochondrion
- Nucleus
Two cell drawings, not to scale, with each part named. Cell 1 is rounded. Cell 2 is boxy. Jun looks at two cell drawings. Which cell is the plant cell, and what shows it?
- Cell 2, because it has no cell membrane
- Cell 1, because it is rounder and smaller
- Cell 1, because its outer edge is a cell wall
- Cell 2, because it has a cell wall and chloroplasts
Two cell drawings, not to scale, with each part named. Cell 1 is boxy; no chloroplasts. Cell 2 is rounded. Kira looks at two cell drawings. Which cell is the plant cell, and what shows it?
- Cell 1, because it has a cell wall and a large central vacuole
- Cell 2, because its outer edge is a cell wall
- Cell 2, because Cell 1 has no chloroplasts
- Cell 1, because it has a wall instead of a membrane
Luz looks at two cell drawings. Which cell is the plant cell, and what shows it?
- Cell 2, because it has a stiff wall and a large vacuole
- Cell 1, because Cell 2 has no chloroplasts
- Cell 1, because its edge is a thin cell wall
- Cell 2, because it has a wall instead of a membrane
Noah fills in a parts chart. What belongs in the box marked “?”
- No: the cell wall takes the membrane’s place
- Yes: but it sits outside the cell wall
- Yes: the membrane sits just inside the cell wall
- No: plant cells have no mitochondria or membrane
Pia fills in a parts chart. What belongs in the box marked “?”
- Yes: animal cells have a stiff wall too
- No: animal cells have a membrane but no cell wall
- Yes: the membrane counts as its cell wall
- No: and plant cells have a wall instead of a membrane
Cell theory card
(1) All living things are made of one or more cells. (2) The cell is the basic living unit. (3) New cells come only from cells that already exist.
Ren reads about cell theory. Which statement agrees with it?
- Only large living things are made of cells
- All living things are made of one or more cells
- New cells can form from water and mud
- Animals are made of cells, but plants are not
Tala reads about cell theory. Where do new cells come from?
- From the food a living thing eats
- From nowhere: a living thing keeps the same cells as it grows
- From cells that already exist, which divide
- From nonliving matter, such as soil
Zee reads about cell theory. Which of these is made of cells?
- A plastic leaf
- A smooth river rock
- A drop of rainwater
- A blade of grass