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Biology Questions - All Grades

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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 Macromolecules
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 10 Cell Structure and Function
Grade 9 Cell Structure and Function
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 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 8 Human Reproduction
Sex organs develop rapidly during                .
  1. fertilization
  2. puberty
  3. menstration
  4. ovulation
Grade 7 Biotic and Abiotic
Grade 10 Cell Structure and Function
Where do most of a cell's chemical reactions take place?
  1. Nucleus
  2. Vacuole
  3. Cytoplasm
  4. Centriole
Grade 9 Biotic and Abiotic
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