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Ninth Grade (Grade 9) Biology Questions

You can create printable tests and worksheets from these Grade 9 Biology questions! Select one or more questions using the checkboxes above each question. Then click the add selected questions to a test button before moving to another page.

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Grade 9 Macromolecules
Grade 9 Biotic and Abiotic
Grade 9 Cell Structure and Function
If a cell contains a nucleus, it must be a(n)                 .
  1. plant cell
  2. eukaryotic cell
  3. animal cell
  4. prokaryotic cell
Grade 9 Biogeochemical Cycles
What is the recycling of chemical elements throughout an ecosystem called?
  1. Energy
  2. Phosphorous Cycle
  3. Biogeochemical Cycle
  4. Tropic Level
Grade 9 Cell Structure and Function
Grade 9 Macromolecules
What is the place called where the substrate will bind to the enzyme?
  1. neuroreceptor
  2. active site
  3. reception area
  4. receiving site
Grade 9 Macromolecules
What is(are) the reactant(s) called in an enzyme catalyzed reaction?
  1. carbon dioxide and water
  2. inhibitor
  3. active site
  4. substrate
Grade 9 Macromolecules
An enzyme will                          if the pH or temperature is not optimal.
  1. catalyze more reactions
  2. synthesize
  3. denature
  4. become angry and hostile
Grade 9 Macromolecules
Grade 9 Cell Structure and Function
Which of the following explains why a cell's size is limited?
  1. volume increases faster than surface area
  2. surface area increases faster than volume
  3. homeostasis is distrupted by a cell that is too large
  4. both A and C
Grade 9 Botany
The phloem is vascular tissue that does what?
  1. consists of dead tubular cells
  2. transports sugar from leaves to all parts of the plant
  3. is present only in stems
  4. transports water from roots to leaves
Grade 9 Biochemistry
Which are the four most abundant elements in living cells?
  1. carbon, oxygen, nitrogen, sulfur
  2. carbon, oxygen, hydrogen, nitrogen
  3. carbon, oxygen, sulfur, phosphorus
  4. carbon, sulfur, hydrogen, magnesium
Grade 9 Biochemical Pathways
Which statement describes cellular respiration?
  1. The process of breaking down chemical energy stored in bonds into energy that can be used by the cell
  2. The process of creating food for the cell
  3. The process of combining oxygen and water to produce another substance to be transported
  4. The process of making proteins
Grade 9 Macromolecules
Enzymes are critical for biological reactions to occur in an organism. How do enzymes help chemical reactions to take place?
  1. They speed up reactions by adding more substrates
  2. They slow reactions down by increasing the activation energy
  3. They speed up reactions by lowering the activation energy
  4. They slow down reactions by changing the overall temperature
Grade 9 Biochemical Pathways
Grade 9 Food Chains and Webs
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