7th Grade Life Science Quiz
A few life science questions
- 1.How does the movement of materials across the cell membrane relate to an organism's survival?
- A.
Controlls what gets in and out
- B.
Because their cells are mostly water
- C.
They shrivel up
- D.
It ferns up and takes its normal shape again
- 2.The movement of particle from areas of high concentration to areas of low concentration is called
- A.
Water
- B.
Molecules
- C.
Diffusion
- D.
Osmosis
- 3.The fluids that surround and fill a cell are mad emostly of
- A.
Water
- B.
Molecules
- C.
Diffusion
- D.
Osmosis
- 4.Water is made up of particles called
- A.
Water
- B.
Molecules
- C.
Diffusion
- D.
Osmosis
- 5.The diffusion of water through a semipermeable membrane is called
- A.
Water
- B.
Molecules
- C.
Diffusion
- D.
Osmosis
- 6.Describe what happens in osmosis
- A.
Water travels into cells
- B.
Because their cells are mostly water
- C.
They shrivel up
- D.
It ferns up and takes its normal shape again
- 7.Why is osmosis important to cell functions?
- A.
Water travels into cells
- B.
Because their cells are mostly water
- C.
They shrivel up
- D.
It ferns up and takes its normal shape again
- 8.Describe what would happen if you put red blood cells into a salty solution
- A.
Water travels into cells
- B.
Because their cells are mostly water
- C.
They shrivel up
- D.
It ferns up and takes it normal shape again
- 9.Describe what happens to a wilted plant when it is watered
- A.
Water travels into cells
- B.
Because their cells are mostly water
- C.
They shrivel up
- D.
It ferns up and takes its normal shape again
- 10.Particels moving across a cell membrane without using energy
- A.
Channels
- B.
Active transport
- C.
Passive transport
- D.
Diffusion and osmosis
- 11.Passageways in a cell membrane
- A.
Channels
- B.
Active transport
- C.
Passive Transport
- D.
Diffusion and osmosis
- 12.The movement of particles from an area of low concentration to an area of high concentration across a cell membrane
- A.
Channels
- B.
Active
- C.
Passive
- D.
Diffusion and osmosis
- 13.Two examples of passive transport
- A.
Channels
- B.
Active
- C.
Passive
- D.
Diffusion and osmosis
- 14.What a cell need to transport particles by active transport
- A.
Active
- B.
Passive
- C.
Diffusion and osmosis
- D.
Energy
- 15.Jfkdjlfjlsa
- A.
Idk
- B.
Two chunkies
- C.
Toe in toepekia
- D.
Loving you
- 16.The channels in a cell membrane are made up of
- 17.A large particle can enter a cell by an active transport process called
- A.
Endocytosis
- B.
Exocytosis
- 18.A large particle can leave a cell by an active transport process called
- A.
Endocytosis
- B.
Exocytosis
- 19.What happens to a cell during the process of endocytosis
- A.
Vesicles form sacs from pieces of the cell membrane
- B.
Carries particles to the membrane. Vesicle fuses with cell membrane and release particles outside of cell.
- 20.What happens to a ell during the process of exocytosis
- A.
Vesicles form sacs from pieces of the cell membrane
- B.
Carries particles to the membrane. Vesicle fuses with cell membrane and release particles outside of cell.
- 21.Controls all cell activity and is found in both animal and plant
- A.
Nucleus
- B.
Ncleolus
- C.
Cell membrane
- D.
Cell wall
- 22.Protective barrier that encloses a cell and is found both in the plant and animal cell
- A.
Nucleus
- B.
Cell membrane
- C.
Nucleolus
- D.
Cell wall
- 23.Makes proteins and is found in the plant and animal cell
- A.
Nuleus
- B.
Cell membrane
- C.
Ribosome
- D.
Mitochondria
- 24.Main power source in a cell and is found in the plant and animal
- A.
Nucleus
- B.
Ribosome
- C.
Cell membrane
- D.
Mitochondria
Questions: 22 | Attempts: 7434 | Last updated: Mar 22, 2022
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Sample QuestionThe passing of physical characteristics from parent to offspring is __________.
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Sample QuestionThe stage of the cell cycle during which the cells nucleus divides into two new nuclei and one copy of the DNA is distributed into each daughter cell
Questions: 15 | Attempts: 7334 | Last updated: Mar 22, 2022
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Sample QuestionThe process by which plants capture light energy from the sun and convert it into sugar
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