Practice Quiz

IB Biology Exam Prep - Question List

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76.
The end of the general belief in the spontaneous generation of life led to the widespread acceptance of which of the following scientific concepts?
  1. Cell theory.
  2. Endosymbiosis.
  3. Natural selection.
  4. Uniformitarianism.
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77.
Which of the following enables plant cells to achieve enough structural rigidity to support the overall plant?
  1. The stacking of thylakoids within the chloroplasts.
  2. The osmotic pressure within the central vacuole.
  3. The facilitated diffusion of proteins across the plasma membrane.
  4. The matrix of polysaccharides in the cytoskeleton.
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78.
Rough endoplasmic reticulum is particularly well developed in cells that:
  1. Secrete proteins or glycoproteins.
  2. Detoxify drugs or poisons.
  3. Support chemiosmosis.
  4. Hydrolyze macromolecules.
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79.
Which of the following structures are typically found in both plant and animal cells? 
  1. Cell walls.
  2. Golgi apparatus.
  3. Lysosomes.
  4. Central vacuoles.
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80.
Which of the following characteristics allows a virus to propagate itself without killing its host cell?
  1. Nature of the protein coat on the virus.
  2. Absence of restriction enzymes in the cell.
  3. Existence of a provirus stage in its life cycle.
  4. RNA as the viral genetic material.
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