← Back to exam page

OAT – Optometry Admission

Loading demo links...

Showing 13–15 of 15 questions

Question 13 (Survey of the Natural Sciences)

Which structure is responsible for a sperm cell's motility?

Select an option, then click Submit answer.

  • ○

    Cilia
  • ○

    Flagellum
  • ○

    Mitochondria
  • ○

    Acrosome
  • ○

    A & B
Question 14 (Survey of the Natural Sciences)

Which of the following statements is incorrect regarding the circulatory system?

Select an option, then click Submit answer.

  • ○

    Aorta is the heart’s largest blood vessel.
  • ○

    Blood passes from the left atrium to the left ventricle via the mitral valve.
  • ○

    Circulating lymph is picked up and returned to the lymphatic system.
  • ○

    The sinoatrial node is found in the right atrium.
  • ○

    All of the above are correct.
Question 15 (Survey of the Natural Sciences)

A mythical atom has isotopes: 10X, 11X and 12X with masses 10, 11, and 12 respectively. 10X has an abundance of 80%, 11X of 15% and 12X of 5%. What is the atomic mass of this X atom?

Select an option, then click Submit answer.

  • ○

    10
  • ○

    10.25
  • ○

    10.75
  • ○

    11
  • ○

    11.25