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Biology Questions - All Grades

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Grade 9 Biochemical Pathways
Grade 3 Food Chains and Webs
An herbivore is animal that
  1. only eats fruit.
  2. only eats meat.
  3. only eats plants.
  4. only eats plants and meats.
Grade 3 Adaptations and Behavior
Grade 5 Food Chains and Webs
Which best describes the role of a producer in an ecosystem?
  1. A producer supplies light for the consumers in the ecosystem.
  2. A producer supplies water for the consumers in the ecosystem.
  3. A producer supplies oxygen for the consumers in the ecosystem.
  4. A producer supplies energy for the consumers in the ecosystem.
Grade 6 Cell Structure and Function
The fact that all cells are produced from other cells is a part of
  1. cell theory
  2. plate tectonics
  3. continental drift
  4. scientific method
Grade 3 Adaptations and Behavior
Grade 4 Biomes
Which best describes what makes one ecosystem different from another?
  1. The amount of soil, water, buildings, and humans
  2. The amount of carbon dioxide, oxygen, water, and soil
  3. The amount of animals, oxygen, plant life, and pollution
  4. The amount of sunlight, rainfall, temperature, and species types
Grade 7 Respiration, Digestion, and Excretion
What is a muscular tube that connects the mouth to the stomach?
  1. esophagus
  2. duodenum
  3. digestive tract
  4. trachea
Grade 7 Respiration, Digestion, and Excretion
Where does the digestive system begin?
  1. Esophagus
  2. Stomach
  3. Mouth
  4. Feet
Grade 10 Cell Structure and Function
Which of these accurately describes osmosis?
  1. The direction of the water flow is opposite of the gradient for the solute diffusion.
  2. The movement of water across a membrane. The solute is not permitted to diffuse by the membrane. The direction of the water flow is the same as the gradient for the solute diffusion.
  3. The movement of particles of solute from high concentration to low concentration when water cannot cross the cell membrane.
  4. The movement of particles across a cell membrane using energy derived from ATP.
Grade 9 Biotic and Abiotic
Grade 9 Macromolecules
Grade 7 Cell Structure and Function
What is an organelle?
  1. Part of a cell that has a specific function (job)
  2. Part of a cell that doesn't do anything
  3. Part of a cell that makes proteins
  4. Part of a cell that gets rid of waste
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