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Ninth Grade (Grade 9) Cell Structure and Function Questions

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Grade 9 Cell Structure and Function
The outer layer of the cells of plants, fungi, and some protists that supports and protects the cell is the
  1. capsule.
  2. cellulose.
  3. cell wall.
  4. plasma membrane.
Grade 9 Cell Structure and Function
Which organelle plays an important role in providing a cell with energy?
  1. mitochondrion
  2. nucleus
  3. ATP
  4. ribosome
Grade 9 Cell Structure and Function
Which cell type tends to have a nucleus?
  1. prokaryotes
  2. bacteria
  3. eukaryotes
  4. organelles
Grade 9 Cell Structure and Function
Human cells are eukaryotic cells.
  1. True
  2. False
Grade 9 Cell Structure and Function
Diffusion refers to the process in which molecules move from
  1. an area of low concentration to an area of high concentration.
  2. an area of high concentration to an area of low concentration.
  3. an area of equilibrium to an area of high concentration.
  4. all of the above
Grade 9 Cell Structure and Function
Which cell organelle assists with cell division during mitosis and meiosis?
  1. centriole
  2. lysosome
  3. centrosome
  4. cytoplasm
Grade 9 Cell Structure and Function
What is every living thing composed of?
  1. bones
  2. cells
  3. blood
  4. teeth
Grade 9 Cell Structure and Function
The ability of the body to maintain a constant internal environment is known as
  1. metabolism.
  2. homeostasis.
  3. active transport.
  4. positive feedback.
Grade 9 Cell Structure and Function
What is the ongoing process of growth, division, and replacement?
  1. cell phases
  2. clock cycle
  3. cell cycle
  4. mitosis cycle
Grade 9 Cell Structure and Function
What fundamental unit makes up all living things?
  1. cells
  2. tissue
  3. bones
  4. organs
Grade 9 Cell Structure and Function
What is the most basic unit of life?
  1. cell
  2. organ
  3. organelle
  4. tissue
Grade 9 Cell Structure and Function
If a cell contains a nucleus, it must be a prokaryotic cell.
  1. True
  2. False
Grade 9 Cell Structure and Function
The diffusion of water into or out of a cell is
  1. selective permeability.
  2. osmosis.
  3. solubility.
  4. exocytosis.
Grade 9 Cell Structure and Function
What is stored in the nucleus of a cell?
  1. DNA
  2. ATP
  3. enzymes
  4. proteins
Grade 9 Cell Structure and Function
The organelle that has ribosomes on its surface is the
  1. nucleolus.
  2. cytoskeleton.
  3. cell membrane.
  4. rough endoplasmic reticulum.
Grade 9 Cell Structure and Function
Which statement is NOT true, according to the cell theory?
  1. Cells are the fundamental units of life.
  2. All living things consist of cells.
  3. Only a small number of cells successfully reproduce.
Grade 9 Cell Structure and Function
Which organelle is responsible for ATP production?
  1. G
  2. J
  3. H
  4. A
  5. M
Grade 9 Cell Structure and Function
What component of the cell produces proteins?
  1. vacuole
  2. lysosomes
  3. ribosomes
  4. mitochondria
Grade 9 Cell Structure and Function
Which scientist observed cork cells using a microscope?
  1. Hooke
  2. Leeuwenhoek
  3. Darwin
  4. None of these
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