Multiple choice

Which of the following statements is incorrect?

  1. Serosa is the outermost layer of the alimentary canal and is made up of squamous epithelium.

  2. Submucosal layer is made up of loose connective tissues.

  3. Mucosa is made up of an outer circular muscle layer and an inner longitudinal muscle layer.

  4. Submucosa contains nerve cells called submucous plexus.

  5. The lamina propria is the middle layer of mucosa.
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C Correct answer
Explanation

Mucosa is the innermost layer of the wall of the alimentary canal which is devoid of circular and longitudinal muscles. Instead, it consists of glands responsible for the secretion of mucus and other enzymes.

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