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AFMC Pune Biology — practice by topic

Browse 30 questions across 3 Biology topics. Choose what you want to revise, then open a question to check its answer and worked solution.

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Biology topics

Biology (30)Digestive System (30)Medical Entrance (30)

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The one way tube running from mouth to anus is also called the:Read the answer and worked solution →The wall of the alimentary canal is built from how many basic tissue layers?Read the answer and worked solution →The innermost layer of the gut wall, in contact with the lumen, is the:Read the answer and worked solution →The layer of loose connective tissue just beneath the mucosa is the:Read the answer and worked solution →

Worked practice questions

The one way tube running from mouth to anus is also called the:

  1. Alimentary canal
  2. Arterial channel
  3. Abdominal cavity
  4. Auditory channel
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Correct answer: A. Alimentary canal

1. Food travels through a single continuous tube. 2. It is also called the gastrointestinal tract. 3. That tube is the alimentary canal. _Source: OpenStax Anatomy and Physiology 2e, Chapter 23, The Digestive System._

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The wall of the alimentary canal is built from how many basic tissue layers?

  1. 6
  2. 4
  3. 3
  4. 5
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Correct answer: B. 4

1. The layers are named from inside outward. 2. Mucosa, submucosa, muscularis and serosa are listed. 3. So there are 4 layers. _Source: OpenStax Anatomy and Physiology 2e, Chapter 23, The Digestive System._

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The innermost layer of the gut wall, in contact with the lumen, is the:

  1. Mucosa
  2. Serosa
  3. Muscle
  4. Lamina
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Correct answer: A. Mucosa

1. Mucus production is its characteristic feature. 2. It lines the space where food passes. 3. That layer is the mucosa. _Source: OpenStax Anatomy and Physiology 2e, Chapter 23, The Digestive System._

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