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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 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 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 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 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
Grade 9 Conservation and Biodiversity
If fish are caught faster than they can breed, what will happen to the population?
  1. decrease
  2. move to other waters
  3. remain the same
  4. increase
Grade 9 Human Reproduction
When does conception or fertilization occur?
  1. a dominant gene overrides a recessive gene.
  2. sperm from a male unites with an egg from a female.
  3. an egg matures in a female's ovary.
  4. all 23 pairs of chromosomes are present.
Grade 9 Cell Structure and Function
Which of these processes used the cell's energy?
  1. passive transport
  2. active transport
  3. diffusion
  4. osmosis
Grade 9 Communities, Populations, and Ecosystems
Grade 9 Cell Structure and Function
What is the most basic unit of life?
  1. Organ
  2. Tissue
  3. Cell
  4. Organelle
Grade 9 Biochemical Pathways
Grade 9 Macromolecules
What are the six most frequently found atoms in living things?
  1. Magnesium, Sodium, Carbon, Oxygen, Potassisum, and Silicon
  2. Carbon, Phosphorus, Calcium, Oxygen, Nitrogen, and Hydrogen
  3. Oxygen, Chlorine, Helium, Lithium, Sulfur, and Nitrogen
  4. Hydrogen, Helium, Lithium, Benzine, Boron, and Carbon
Grade 9 Communities, Populations, and Ecosystems
Grade 9 Cell Structure and Function
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