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Ninth Grade (Grade 9) Science Questions

You can create printable tests and worksheets from these Grade 9 Science 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 Biochemical Pathways
Grade 9 Magnetism and Electricity
When you are at home, turning off a light usually does not turn off your T.V. This is because
  1. most electrical devices in a house are on parallel circuits
  2. most electrical devices in a house are on series circuits
  3. they have different sources of voltage
  4. a T.V. does not require electricity
Grade 9 Macromolecules
Grade 9 Biotic and Abiotic
Grade 9 Periodic Table and Elements
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 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 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 Geomorphology
Grade 9 Periodic Table and Elements
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
What is(are) the reactant(s) called in an enzyme catalyzed reaction?
  1. carbon dioxide and water
  2. inhibitor
  3. active site
  4. substrate
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