7th Grade Unit 1 Exam Review Question Preview (ID: 52425)
7th Grade Unit 1 Exam Review.
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The organelle in the plant cell that is generally filled with water as storage can cause the plant to wilt if not filled is called the ___________?
a) Mitochondria
b) Vacuole
c) Nucleus
d) Chlorplast
Plant cells capture sunlight and then use carbon dioxide, sunlight, and water to make their own food using an organelle is called the ____________?
a) Mitochondria
b) Vacuole
c) Chloroplast
d) Nucleus
The brain is to the human as the ______________ is to the cell.
a) Cell Membrane
b) Nucleus
c) Vacuole
d) Cytoplasm
Things too small to be seen with our naked eye(like most cells), can be viewed best with which of the following tools?
a) Graduated Cylinder
b) Hand lens
c) Microscope
d) Pipette
We know that cells share some of the same parts, which of these cell parts is not found in the animal cell?
a) Mitochondria
b) Vacuole
c) Cell wall
d) Cell Membrane
Materials enter and leave the cell through openings in its _____?
a) Chromatin
b) Organelles
c) DNA
d) Membrane
Which Statement is supported by the cell theory?
a) Every cell can move.
b) All Cells have cell Walls.
c) All cells are made by joining organic compounds together.
d) All cells are made from pre-existing cells.
Which statement is part of the cell theory?
a) All cells come from animal cells.
b) All cells work together in structures called tissues.
c) All living things are made of cells.
d) All cells contain organelles.
Which statement describes the function of an organelle in a plant cell?
a) The mitochondria converts energy stored in food to energy the cell can use to live and function.
b) All of the answer choices are correct functions of organelles found in plants.
c) A vacuole stores water, food, and other materials needed by the cell.
d) A chloroplast captures energy from sunlight and changes it into a form cells can use in making food.
Which organelle might contain DNA in the cell?
a) Mitochondria
b) Vacuole
c) Nucleus
d) Chloroplast
Unlike animals, plants can what?
a) transport blood
b) use oxygen as a food source
c) get energy by eating other plants
d) make their own food
A scientist that discovered cells and named them because he thought they looked like tiny rooms.
a) Louis Pasteur
b) Robert Hooke
c) Isaac Newton
d) Antonie van Leeuwenhoek
The scientist that was the first to create an early microscope that magnified 270 times.
a) Antonie nan Leeuwenhoek
b) Robert Hooke
c) Isaac Newton
d) Louis Pasteur
What is turgor pressure?
a) It is the force within the plant cell that pushes the plasma membrane against the cell wal
b) It is the force in the animal cell that allows pressure to release and not build up.
c) It is the force in the plant cell that allows more sunlight to make chloroplast.
d) It is the force in the animal cell that pushes the plasma membrane against the cell wall.
What structures and materials are found in all cells?
a) Cell membrane, nucleus, cytoplasm, and other organeles.
b) cel wall, nucleus, mitochondria, and lysosomes.
c) Cell wall, nucleus, chloroplasts, and other organelles.
d) Cell membrane, nucleus, chloroplasts, and mitochondria.
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