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BOptom (Optometry) Biology — practice questions

Explore 30 free Biology questions in BOptom (Optometry) Biology. Open each question or exercise to read its content, reference answers and available explanation.

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Biology questions and exercises with answers

Showing questions 1–30 of 30.

Cells in the retina that fire when light hits them are called:Read the answer and worked solution →Most people list five major senses: taste, smell, touch, sight and:Read the answer and worked solution →For a long time only four tastes were recognised: sweet, salty, bitter and:Read the answer and worked solution →A fifth taste, described as savoury, was recognised in the 1980s. It is:Read the answer and worked solution →The small bumps covering the tongue that hold taste buds are called:Read the answer and worked solution →A salty taste is the perception of which ion in the saliva?Read the answer and worked solution →Orange juice tastes sour because the tongue is sensing a high level of:Read the answer and worked solution →The sweet taste comes from gustatory cells responding to dissolved:Read the answer and worked solution →Coffee, tea and hops taste bitter because they contain:Read the answer and worked solution →The clear front window of the eye that lets light in is the:Read the answer and worked solution →Along with the lens, the cornea focuses incoming light onto the:Read the answer and worked solution →The coloured ring of muscle at the front of the eye is the:Read the answer and worked solution →The hole at the centre of the eye that light passes through is the:Read the answer and worked solution →A torch is shone into a patient's eye. The iris makes the pupil:Read the answer and worked solution →Axons leaving the eye gather at one spot and form the optic nerve. That spot is the:Read the answer and worked solution →There are no photoreceptors where the optic nerve leaves. This produces a:Read the answer and worked solution →The small pit at the exact centre of the retina is called the:Read the answer and worked solution →The light sensitive pigment packed inside rod cells is:Read the answer and worked solution →How many kinds of cone photopigment does the human eye have?Read the answer and worked solution →The three cone opsins peak near red, blue and:Read the answer and worked solution →In a very dark room, vision depends entirely on:Read the answer and worked solution →Three small bones span the middle ear. They are the incus, stapes and:Read the answer and worked solution →Catch the eye partsRead the answer and worked solution →Pop the five tastesRead the answer and worked solution →Run the senses gatesRead the answer and worked solution →Slice the sense wordsRead the answer and worked solution →Eye or earRead the answer and worked solution →Sort the sense ideasRead the answer and worked solution →Type the numberRead the answer and worked solution →Special senses bingoRead the answer and worked solution →

Worked practice questions

Cells in the retina that fire when light hits them are called:

  1. Photoreceptors
  2. Phonoreceptors
  3. Thermoreceptors
  4. Chemoreceptors
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Correct answer: A. Photoreceptors

1. The stimulus here is light. 2. Receptors are named for their stimulus. 3. So these are photoreceptors. _Source: OpenStax Anatomy and Physiology 2e, Chapter 14, Special Senses._

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Most people list five major senses: taste, smell, touch, sight and:

  1. Heaving
  2. Hearing
  3. Heating
  4. Healing
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Correct answer: B. Hearing

1. Four of the five are named already. 2. The ear supplies the missing one. 3. That sense is hearing. _Source: OpenStax Anatomy and Physiology 2e, Chapter 14, Special Senses._

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For a long time only four tastes were recognised: sweet, salty, bitter and:

  1. Sour
  2. Soapy
  3. Smoky
  4. Spicy
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Correct answer: A. Sour

1. Three of the four are named. 2. Lemon juice gives the fourth. 3. That taste is sour. _Source: OpenStax Anatomy and Physiology 2e, Chapter 14, Special Senses._

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