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Question 22

The passage of food into the duodenum is controlled by a ring of muscles known as

  • A.Pyloric sphincter
  • B.Oesophageal sphincter
  • C.Rectal sphincter
  • D.Pharynx sphincter
Objective

Question details

Exam body
NDA
Subject
Biology
Year
2014/2015
Question no.
#22
Type
Objective
Previous · Q21In his theory of evolution, Darwin implied that_____ Next · Q23 The rate of transpiration in plants can be measured using

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