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MCQ practice · SSC Biology Board questions · Chapter 10: Co-ordination

Dinajpur Board 2021

Which one is an endocrine gland?

Think it through first, then pick an option.

  1. a Pancreas
  2. b Liver
  3. c Pituitary
  4. d Salivary gland
Answer and explanation

Correct answer: c Pituitary

The pituitary is a ductless or endocrine gland that releases hormones into the blood.

Why the other options are wrong

  • a Pancreas: The islets of the pancreas are ductless, but the pancreas as a whole is a mixed gland.
  • b Liver: The liver is a duct gland; bile goes out through a duct.
  • d Salivary gland: The salivary gland sends saliva to the mouth through a duct.