Which of the following endocrine glands is a master gland? By: Sunday|Published on: May 16|Categories: Biology WAEC| 0 comments A. Pituitary gland B. Thyroid gland C. Pancreas D. Ovary Correct Answer: Option A A. Pituitary gland Users Also Read These:Use the diagram below to answer this question.…Which of the following glands secretes a substance…The properties of endocrine system include the…The gland that secretes the hormone glucagon is…The following are ductless glands except?SEE ALSO The producers in a food chain in an aquatic environment are?